I have a welded test coupon that is made of x70 pipe. Multiply the length and width of the steel plate to determine its area. Use the following calculator to convert yield or tensile values in ksi, Mpa, N/mm or psi. Bolts test out at 84-89 HRB. (General Electric standard 12A1200), Normally, the proof load values are about 90-92% of yield,but that can vary. In this regard, I am deciding to use square pipe 150x75x6.3mm to hold the load coming over this projected structure by bolting pipes on concrete slab to avoid the distressing of structure in place. 1020 is pushing the limits of weldable. For SA193 B7 bolt of 3/4inch diameter, the allowable Stress at 500F are 25000psi and what torque value should be considered for a Flexotelic Gasket. Does the length of the bolt not affect the sheer tensile figure? The formulas on your website require that know the type of steel alloy the bolt is made out of. Must be an easier way of computing this Tensile Stength of Steel in question. Tensile strength is important on the bottom of your beam. Stress and strain Youngs modulus and elastic modulus Elastic behaviour of solids 54,865 Tensile Stress Unit Following is the table explaining the units and dimensional formula: This is the minimum requirement for F1554 grade 36. Second, I think you are mistaking the purpose of braided wire. WebThe specific strength is bounded to be no greater than c2 ~ 9 1013 kN m / kg, where c is the speed of light. @Zulkifly- The torque equation, T=KDP is on our torque page along with common values. If this stress is applied and maintained, a fracture will result. @KL- We do not have a pdf available, but we do have many grades with their respective properties on our Strength Requirements By Grade page. If you need further information I can supply it. @Ahmed- You would need to consult an engineer familiar with the project in order to determine that. Measure its initial length, L without any stress applied to the material. Im attempting to find the maximum weight an 1144 steel rod can hold at both ends, though Im not sure which type of equation to use. A bolt is designated to be 8.8 according to BS3692, what is the yield stress of the bolt? This limit is achieved by electric and magnetic field lines, QCD flux tubes, and the fundamental strings hypothesized by string theory. Proof stress is a simple pass or fail test where the full size bolt is tensioned to a predetermined proofload value, held for 10 seconds, then measured to see if it elongated. If you want something to be able to withstand more force the simplest approach is to increase the cross-section or get a stronger material. I am using a tensile tester to measure tensile strength. Thanks for the catch. You only need to calculate the cross section area of the bolt X tensil strength of material bolt is made of. It is important to understand that this value is only an estimate. Place the steel plate between the cross heads of the universal testing machine, and align it so that it is perfectly center. unit of T = Pascal (Pa) or Newton per meter square or N x m- 2 Dimensional formula for tensile stress = M1L1T2 Tensile Strength T (in) Weld fillet throat dimension Your best bet would be to consult an engineer to confirm. WebEngineering. Elasticity is a property of an object or material indicating how it will restore it to its original shape after distortion. @Tom Faris I am sorry, but that is above our level of expertise. Multiply the length and width of the steel plate to determine its area. We calculate the stress, using the stress formula: = F/A = 30*10 / (1*10) = 300*10 = 300 MPa . Hardness. AREA (A) = 1.5 X 0.5 In brittle materials the ultimate tensile strength is close to the yield point, whereas in ductile materials the ultimate tensile strength can be higher. For example: allowable stress of A36 steel = 36,000 psi / 4.0 = 9,000 pounds per square inch. 1020 is pushing the limits of weldable. Use the following calculator to convert Izod or Charpy values from Joules (J) to foot/pound (ft/lbs) or vice versa. @Success- Each individual manufacturer of eye bolts has a chart that lists what their bolts are rated at. Type the value in the box next to Mpa (using the drop down to change the unit of measurement). WebEngineering. TS MPa. So to understand what is the impact that happens on metal with the standard, whether it is the change in Chemical composition or other mechanical properties. If instead, you are trying to calculate the strength of a full sized bar with no threads, then you did the math correctly. 25.4mm = 1 inch. We need to divide ultimate values by a Factor of Safety (FoS) to get the allowable tensile values. WebHow do you calculate stress in steel? @Ravish Yes it is possible, but not common, that a bolt can pass the tensile test but fail the proof load test. It measures a metals resistance to failure when under load. WebAnswer (1 of 2): To understand the calculation part you should visit the plant and see the entire process of testing. @Andy- We are not certain what exactly you are asking. Thank you for your assistance. How do I determine the yield and tensile strength for a specific diameter of a 1100 aluminum stud? This relationship is represented by the formula below: Apologies. (suggested range: 390 ~ 2450 MPa) Approx. Our expertise is limited to steel and stainless steel fasteners. This limit is achieved by electric and magnetic field lines, QCD flux tubes, and the fundamental strings hypothesized by string theory. Hardness. I want to calculate tension and shear capacity but from this link, it shows M12 and above for both Grade 8.8 and 10.9 https://www.engineersedge.com/hardware/countersunk_bolt_grade_109_13674.htm Rule of thumb is that one diameters worth of thread engagement is sufficient, so a 1 engagement on a 3/4-10 bolt should be more than enough. @Chris- You are correct, I should have qualified that if the bolt is improperly designed or installed, it could strip. 24 in length, capable of handling 500 lbs static load and approximately 10,000 lbs dynamic load. If that is true, your 3/8-16 shoulder bolt would have an ultimate minimum tensile strength of 13,900lbs. The top of of your beam, loaded in compression, will fail in buckling. WebEnter half of your outside dims if you want to calculate solid bar (square tube only). The applied tensile stress in a body is defined as the sum of the internal forces per unit area of the object. I dont want to disturb the beam and slab by chipping of the concrete as the span is quite long and it is critical. The Proof strength is usually around 90% of the Yield strength for standard steel bolts. 1020 is pushing the limits of weldable. @Muhammad- Apologies, but we do not have any experience with sheet metal, and do not know how the mechanicals are tested or calculated. Strain (normal) A measure of the deformation of the material that is dimensionless. However, for example S235 JR equivalent grade is A283C. As for your factor of safety question, you are correct that they vary a little based on application. The field can move in the axial direction some which is why Id like to bolt the two tares together. Then on the stress-strain diagram, lay off om equal to the specified value of the offset (i.e. I need to know how much pull weight can be placed on the shaft before it will bend. WebHow do you calculate stress in steel? Mechanical Engineering. From this, the range is calculated and this range is set in the UTM.Assuming working stress = 140N/mm Factor of safety = 3.i.e Ultimate stress = 140x3 = 420N/mm. Use the following calculator to convert Izod or Charpy values from Joules (J) to foot/pound (ft/lbs) or vice versa. In ACI318-14 clause 17.2.3.4.3 there is term: NOMINAL STEEL STRENGTH of anchor, I was wondering is this same as Yield Strength you defined above? WebThese parameters include yield strength of steel, the tensile strength of steel, density, hardness, etc. Ultimate shear strength is commonly estimated to be 0.6*UTS. For example: allowable stress of A36 steel = 36,000 psi / 4.0 = 9,000 pounds per square inch. WebUltimate tensile strength (also called UTS, tensile strength, TS, ultimate strength or ) within equations is the maximum stress that a material can withstand while being stretched or pulled before breaking. Download and print Tension Unit Converter Chart. The yield would be 54,500lbs, and the shear would be 36,360lbs. The breaking point is the tensile stress area multiplied by the minimum tensile in psi. @Gary I am sorry, but we are unable to calculate that information for you. We are considering manufacturing a holding rod to support a caster assembly. Looking for the minimum tensile strength that would be needed to be applied in the center in order to distort/bend the tube/axle. If you are looking for a generic calculation, I can offer a strength calculation based on a mild steel rod. Tensile strength is important on the bottom of your beam. 6) Shear strength: the maximum shear load a material can withstand before failing divided by its cross-sectional area. @Awadhesh Apologies, but we are unable to make engineering recommendations. Finally, we divide the stress by strain to find the Youngs modulus of steel: E = / = 300*10 / 0.0015 = 200*10 = 200 GPa . I, of course, will be gripping the bar with both hands, but would like to know what the possible breaking point may be if I only had one lever/one hand on the bar. A UTM is a tensile testing machine. Tensile strength is typically quantified through units of pounds per square inch (PSI) or pascals (Pa). If your joint is more complicated, and if there are forces that are not in a straight line, then you will need to consult an engineer. First, find the ultimate tensile strength using the formula above. I need to do a verification calculation to show that using 10 bolts in a 20 bolt ANSI 900 flange with a garlock gasket operating at 700 psig is safe. Stud size is 1 7/8 I want to know the tensile strength of the threads in the steel. what is that yield strength of a 5 round 14 gauge gi pipe. Cookies are only used in the browser to improve user experience. More detailed information can be found by looking at ASTM F606 Section 3.6.3.1 or by contacting an accredited test lab. We have an FAQ that addresses the difficulty of calculating strength values for lag bolts. This formula will give you the ultimate tensile strength of that size and grade of bolt. Apologies. I cannot tell you . This is the minimum requirement for F1554 grade 36. is divided by P max /A 0, where P max is the maximum load and A 0 is the original cross sectional area. WebUltimate tensile strength of low-carbon steel is between 400 550 MPa. Apologies. How do you calculate tensile strength? Pls how do you convert diameter to feet or inches? The commonly used strength indexes are yield strength and tensile strength. If youre building a structure that could collapse on someone, *always* get a structural engineer to design it. Webcastings steel; cast iron; wrought iron; stainless steel (304N) Strength of Metals - SI Units. Note: Mechanical Engineering questions and answers. Load (lbs) This is the force applied to your tube. What would be that website or manufacturer be? This corresponds to the maximum stress sustained by a structure in tension. Example - Strength of Copper at 100 o C. As indicated in the first figure - the strength of copper is reduced to approximately. It is important to understand that this value is only an estimate. Apologies. unit of T = Pascal (Pa) or Newton per meter square or N x m- 2 Dimensional formula for tensile stress = M1L1T2 Tensile Strength Measure its initial length, L without any stress applied to the material. Can anyone point me in the right direction? Apologies. Its actually used to measure the amount of energy the material can absorb at the limited state. From this, the range is calculated and this range is set in the UTM.Assuming working stress = 140N/mm Factor of safety = 3.i.e Ultimate stress = 140x3 = 420N/mm. It will likely be determined by the location of the hole relative to the placement of the nut. Length of tube (inches) Set to 12 if you're just comparing materials Material Choose your material. How to calculate tensile strength of braided steel wire? The Industrial Fastener Institute (Inch Fastener Standards, 7th ed. Please read AddThis Privacy for more information. Thanks Ted. First, find the ultimate tensile strength using the formula above. Second, I think you are mistaking the purpose of braided wire. These are such interesting questions! Continuing with the example from Step 1, multiplying five by six equals an area of 30 square inches. AREA = 0.2 IN. A325? =. What is tensile strength? I just want to know that how i calculate the strength of 12 mm hexagon bolts, for example, in one rack 08 bolts of 12 mm hold the rack, than how much weight capacity of the rack. Please advise minimum length of material required below the hole and beside the hole. It depends only on the maximum force and cross-section area. Yield strength differs in that the bolt or test coupon is pulled to failure, and the yield is calculated (using the 0.2% offset method) along with the tensile, elongation and reduction of area. Anyone with the competence to calculate tensile strength would already know this. How do I determine what length bolt to use? It is important to understand that this value is only an estimate. In brittle materials the ultimate tensile strength is close to the yield point, whereas in ductile materials the ultimate tensile strength can be higher. Tensile strength values vary for various steel densities. A UTM is a tensile testing machine. hi. WebAnswer (1 of 2): To understand the calculation part you should visit the plant and see the entire process of testing. Use the following calculator to convert Izod or Charpy values from Joules (J) to foot/pound (ft/lbs) or vice versa. Brinell Hardness uses a hard, spherical indenter which is forced into the surface of the metal to be tested. The stress on the wire rope will be the load in Kg divided by the total cross sectional area WebUltimate tensile strength (also called UTS, tensile strength, TS, ultimate strength or ) within equations is the maximum stress that a material can withstand while being stretched or pulled before breaking. @Adhi I am sorry, I do not completely understand your question. Strength: This refers to a metals ability to withstand permanent deformation and fracture when subjected to external forces. Calculate the strain felt by the The top of of your beam, loaded in compression, will fail in buckling. Finally, we divide the stress by strain to find the Youngs modulus of steel: E = / = 300*10 / 0.0015 = 200*10 = 200 GPa . Is this correct? Wanted to know what grade threaded rod should be used and size. The wire spool is approximately 12 in length and has a 1 O.D. 1. Tensile Stress Formula If the force is acting perpendicular to the surface is given by F, and the surface area is H, then tensile stress (T) is given by: T = F H S.I. 2. design of the tree stand i.e. how do I calculate the ultimate tensile strenght of Ti6Al4V from hardness values. Sy = 58 Ksi ER316L rode yield strength WebThe specific strength is bounded to be no greater than c2 ~ 9 1013 kN m / kg, where c is the speed of light. WebGently and FIRMLY clamp the ends of the steel wire rope and apply tensile pressure at the ends such that all the strands of the wire rope share the load applied. Thank for your time. how to calculate the strength of the steel for tension member without using tensile load method? A 5/8 lag bolt has a minor diameter of 0.471, which calculates to a stress area of 0.17497 sq. That gives you the minimum ultimate breaking strength of 3/4 A36/F1554g36. The commonly used strength indexes are yield strength and tensile strength. @Ryan Mozingo Unfortunately, the value that you are looking for is impossible to calculate with any accuracy. The plate material tensile strengths are : Convert Approx. The Ultimate Tensile Strength - UTS - of a material is the limit stress at which the material actually breaks, with a sudden release of the stored elastic energy. Apologies. WebRange Calculation: A tensile stress value is assumed for which the maximum expected load capacity of the rod is calculated. WebGuide to Tensile Strength. WebThe ultimate tensile strength of a material is calculated by dividing the area of the material tested (the cross section) by the stress placed on the material, generally expressed in terms of pounds or tons per square inch of material. Use the following calculator to convert yield or tensile values in ksi, Mpa, N/mm or psi. too many unknowns; 1. soundness of the tree, quality of the wood. Some of our calculators and applications let you save application data to your local computer. I am trying to calculate the yield strength of that 5/8 bolt and Im not seeing how you are doing your math. and probably a few more I havent thought of . Of course there is possibility of failure if all is not right. In other words, a 3/4 diameter F1554 grade 36 anchor rod will be able to withstand 12,024 pounds force (lbf) without yielding. Brinell Hardness uses a hard, spherical indenter which is forced into the surface of the metal to be tested. Your email address will not be published. Place the steel plate between the cross heads of the universal testing machine, and align it so that it is perfectly center. Does tensile strength fall off if the bolt is loose, but still has thread engagement with the nut? looking for your favorable reply. Webfor Tensile/Yield & Charpy values. 1. Im hanging a porch swing into a 7foot long 212 that is supporting my balcony. @Arash- Thank you for your interest, but we do not manufacture A574 cap screws, and so therefore we do not have a stress-strain curve to share. It is available for purchase through the AISC website. Merci. a) the tensile strength, also known as the ultimate tensile strength, is the load at failure divided by the original cross sectional area in which the ultimate tensile strength (U.T.S.) Webcastings steel; cast iron; wrought iron; stainless steel (304N) Strength of Metals - SI Units. Thanks in advance. i was curious if you could tell me how much weight a 5/8 inch by 12 inch lag bolt can hold up i have a tree stand 21 feet in the air so i would like to tell people this so they feel more comfortable thank you for your time, Your email address will not be published. The 0.57*TYS is probably taken from the von Mises/distortion energy/octahedral shear stress criterion, and it should be stated as shear yield strength = 0.577*tensile yield strength. WebEnter half of your outside dims if you want to calculate solid bar (square tube only). How badly does a full thread bolt affect shear strength when it is used in place of a partial thread bolt where the unthreaded part was in the stress or shear area? Load Distribution Point Load in Center The top of of your beam, loaded in compression, will fail in buckling. This corresponds to the maximum stress that can be sustained by a structure in tension. Thanks in advance. @Samuel- I am not sure how to calculate that, but what I can tell you is that, beyond a certain point, additional thread engagement does not add any more strength, only cost. I am happy to contact my members here. https://www.iccsafe.org/Pages/default.aspx, what is proof strength of material and how is it calculate,have any formula. First, find the ultimate tensile strength using the formula above. thickness (t) = 0.5 in. We calculate the stress, using the stress formula: = F/A = 30*10 / (1*10) = 300*10 = 300 MPa . WebGuide to Tensile Strength. Yield strength and tension strength of Fe250 is 250MPa and 410MPa respectively, tensile strength is 410MPa whereas maximum compressive strength is only about 35 to 40% of tensile strength. Could you please advise what is the FoS for high-strength bolts, e.g. Basically, the load is acting to the projected pipes as cantilever load. The stress on the wire rope will be the load in Kg divided by the total cross sectional area 3. where is the lag bolt relative to the pivot point of the cantilever? It takes about twice as much force to stretch a spring twice as far. unit of T = Pascal (Pa) or Newton per meter square or N x m- 2 Dimensional formula for tensile stress = M1L1T2 Tensile Strength From this, the range is calculated and this range is set in the UTM.Assuming working stress = 140N/mm Factor of safety = 3.i.e Ultimate stress = 140x3 = 420N/mm. 6) Shear strength: the maximum shear load a material can withstand before failing divided by its cross-sectional area. @Mark- Nominal steel strength is not necessarily an exact equivalent of yield. E stands for the modulus of elasticity of the material. WebGently and FIRMLY clamp the ends of the steel wire rope and apply tensile pressure at the ends such that all the strands of the wire rope share the load applied. Hi, Im building a barbed wire fence roller and would like to use 3/4 1018 cold roll round stock for the shaft that the wire spool will attach to. E stands for the modulus of elasticity of the material. Length of tube (inches) Set to 12 if you're just comparing materials Material Choose your material. I would assume that when quantifying strength of any structural component that it is implied that it is assembled properly. Is there have any industries standard value for the tensile strength of self drilling screw? TVP (Materials) 20 May 06 13:40. 4. how large was the pilot hole for the lag bolt? It measures a metals resistance to failure when under load. RPstress (Aerospace) 23 May 06 14:01. Elongation = FL/AE. Not every application will be the same. Math can be tough, but with a little practice, anyone can master it. Yield strength and tension strength of Fe250 is 250MPa and 410MPa respectively, tensile strength is 410MPa whereas maximum compressive strength is only about 35 to 40% of tensile strength. L stands for the length of the specified rod. A stands for cross-sectional area of the rod. For example, a member with a cross-sectional area of 2 in sq and an applied load of 1000 pounds has a maximum tensile stress of 500 pounds per square inch (psi). We can calculate the torque needed to achieve a specific load, but the effects of torsion on yield? @Z- We can calculate the tensile, yield, or shear strength, but to me it sounds like youd be more concerned with the bar bending. We don't save this data. Math can be tough, but with a little practice, anyone can master it. WebSuppose the diameter and length of rod are and 36 inches. The information on the bolt head is the strength specification. Hello I am seeking the tensile strength of a 1 inch thick a36 steel bar with a 1 inch hole threaded for national coarse thread. In order to calculate using the 0.2% offset method, you must first secure data from which a stress-strain diagram may be drawn. Im looking for a table that will tell me the shear and tensile capabilities of various size bolts. The material will be 1 inch 4130 steel rod cut to 33 long with two 90 degree bends one on each end 5 inches in from the end. Calculate the strain felt by the WebTensile strength from Brinell hardness can be roughly estimated by multiplying 3.45 and Brinell hardness and is represented as TS = (3.45/9.8067)*HB or Tensile Strength = (3.45/9.8067)*Brinell Hardness. Thanks, Jeff. Then on the stress-strain diagram, lay off om equal to the specified value of the offset (i.e. fasteners, Anchor Bolt and Construction Fastener Manufacturer, https://www.portlandbolt.com/about/team/anthony-porreco/. They are supporting a 100 ton rod shaped stator field. Hi General question is tensile strength rated for the bolt being loaded and torqued? The applied tensile stress in a body is defined as the sum of the internal forces per unit area of the object. Ultimate : 78ksi TS 1420 MPa approximately* =. 2003. In the formula of torque value calculation there is mention clamp load= 75 % of proof load. Yield strength is defined in engineering as the amount of stress (Yield point) that a material can undergo before moving from elastic deformation into plastic deformation. Web2) tensile strength of steel is higher than compressive strength, steel experience good behave in tension whereas poor behave in compression. However, the weakest point will be where the bolt screws into the wood and the strength will be limited by the pull out value of the wood. Please help I can not find anywhere. WebUltimate tensile strength (also called UTS, tensile strength, TS, ultimate strength or ) within equations is the maximum stress that a material can withstand while being stretched or pulled before breaking. Tensile Stress Formula If the force is acting perpendicular to the surface is given by F, and the surface area is H, then tensile stress (T) is given by: T = F H S.I. While concrete is strong in compression, it is weak in tension and can easily crack. Tensil strength of any material is available in many metalurgical sites on the internet. TS MPa. Google use cookies for serving our ads and handling visitor statistics. 16 Examples of Tensile Strength Bamboo, 350, 50,763 Steel, 531, 77,015 Spider Silk, 1,000, 145,038 Diamond, 2,800, 406,105. This 1 tube has an I..D. a little larger than 3/4 which will allow the wire spool to slip over the 3/4 inch shaft. WebFrom this curve we can determine: a) the tensile strength, also known as the ultimate tensile strength, the load at failure divided by the original cross sectional area where the ultimate tensile strength (U.T.S. WebRange Calculation: A tensile stress value is assumed for which the maximum expected load capacity of the rod is calculated. Not to mention that I doubt your roof/ceiling was designed to support that kind of weight. Load Distribution Point Load in Center Stress (normal) Stress is the ratio of applied load to the cross-sectional area of an element in tension and isexpressed in pounds per square inch (psi) or kg/mm 2 . @Pat The biggest question would be Asian or African elephant? Arash. to withstand in compression. @Larry- If there are no threads, just 1 round bar, the ultimate tensile for the bar will be 127,955lbf. Unlike tensile and yield strengths, there are no published shear strength values or requirements for ASTM specifications. Yes, feel free to moderate my comment and delete my sarcasm (or whole post for that matter), but I do thank you for the information. 6) Shear strength: the maximum shear load a material can withstand before failing divided by its cross-sectional area. There are 3 different types of tensile strengths: Tensile yield strength Ultimate tensile strength Fracture tensile strength The yield strength is the strength a metal has before it begins to plastically deform. what is the formula to see what tensile the material actually is? Any thoughts? Deal with math problem. Elongation = FL/AE. Also, I agree with jhardy1, above. This will be L.. Thank you! While concrete is strong in compression, it is weak in tension and can easily crack. Spread over four galvanized lag bolts, whats the minimum diameter and length of a lag bolt I need? how do you come about 58000 psi x 0.334 in2. Divide the the applied load by the cross-sectional area to calculate the maximum tensile stress. Tensile strength values vary for various steel densities. Unlike tensile and yield strengths, there are no published shear strength values or requirements for ASTM specifications. How do you calculate tensile strength? However, the limiting factor will be the material it is screwed into, and the wood will typically yield before the lag bolt will, so you may have a problem using only one lag bolt. The ultimate tensile strength is the maximum on the engineering stress-strain curve. I have seen literature that suggests a FoS of 8.5, although in engineering, FoSs of 2 5 are more common. 16 Examples of Tensile Strength Bamboo, 350, 50,763 Steel, 531, 77,015 Spider Silk, 1,000, 145,038 Diamond, 2,800, 406,105. This will be L.. We calculate the stress, using the stress formula: = F/A = 30*10 / (1*10) = 300*10 = 300 MPa . Note that Hooke's Law can also be applied to materials undergoing three dimensional stress (triaxial loading). WebWhat is the ultimate tensile strength of UTS? One of the ends is stationary while pulling the WebGently and FIRMLY clamp the ends of the steel wire rope and apply tensile pressure at the ends such that all the strands of the wire rope share the load applied. WebTensile Stress Formula = F A Where, is the tensile stress F is the force acting A is the cross-sectional area You may also want to check out these topics given below! In layman's terms, it is the measurement of the force required to stretch a material until it breaks. Ultimate tensile strength is often shortened to tensile strength or even to the ultimate.. I wanted to know that for Tensile Strength Testing, what is the minimum length of the bolt that can be used? The shaft will extend beyond a pillow block bearing approximately 13 and will not be supported on the end. The stress on the wire rope will be the load in Kg divided by the total cross sectional area It is important to understand that this value is only an estimate. So 36,000 x 0.226= 8,136lbs. If so what calculation do you use to gather that information? [citation needed] Tenacity (textile strength) [ edit] Again, for a bending moment or other calculation, youll need to find someone with that equation. My question is what size bolts would I need to be able to support the stress of the field moving in the axial direction? @Kelly- This FAQ shows you how to calculate the strength of both bars, however we do not know how the addition of that hole will effect the mechanicals. Tensile strength can be divided into three types: yield strength, which is the amount of stress a material can withstand without becoming permanent deformed. In addition, I have calculated the load coming on to this projected portion but I am not sure how to design the number of bolts and dia bolts to counter act the load on the projected portion. I would consult an engineer and have your bolts tested if you are concerned about safety.