See the reference section … } //output } var proof = null; (psi) S sy = Working axial load of fastener bolt (lbs) a = Stress area of thread (in 2) var value = Math.round(ts * tsa); } var shear = 72000; var load = document.getElementById("grade").value; function threadRootArea(dia, tpi) { var unc = [20, 18, 16, 14, 13, 12, 11, 10, 9, 8, 7, 7, 6, 6]; function minTensileStrength(ts, tsa) { return [Math.round(cl*dia*tch),Math.round(cl*dia*tcl)]; function autoCount(){ if (value == 0) value = "N/A"; return 0.7854 * Math.pow((dia - (0.9743 / tpi) ), 2); } I accept the terms and conditions set forth above. "); Factor of Safety = S y / ( s x 2 + 3 . var value = Math.round(mss * tsa); var value = Math.round(mys * tsa); var diameter = dia[index]; function footLbs(torque) { Note that the minimum thickness of a single member (in the "Bolt spacing and edge distance" section) may differ from the minimum plate thickness (in the "Capacity in bearing" section). var yield = null; y min = Minimum Yield of bolt threads engaged (lbs) s yield = Minimum yield strength of the bolt grade, ASTM, SAE, etc. Fastener - Bolt Design Calculations (This calculator requires a java - enabled browser) This calculator calculates the tensile stress area of a external screw thread of a fastener. Engineering Calculators > } This calculator can be used as an aid to help estimate the weight of bolts, nuts, and washers. function calcTorque(coefficient, diameter, series, load) { var tensile = 180000; Write your answer in 2 decimal places only without the unit. var index = document.getElementById("diameter").value; Use Ubs = 1.0. Français. //output More specifically and without limitation, UNDER NO CIRCUMSTANCES SHALL FASTENAL BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING, WITHOUT LIMITATION, LOSS OF DATA OR PROFIT, PROPERTY AND EQUIPMENT DAMAGE OR INJURY, ARISING OUT OF THE USE, OR INABILITY TO USE, THE LOAD CALCULATOR, EVEN IF FASTENAL HAS BEEN ADVISED OF THE POSSIBLITY OF SUCH DAMAGES. Stripper bolt material: 4137 33～38 HRC, strength class 10.9.） From the table at right, for a strength class of 10.9 and a maximum allowable var cl = 0.75 * load * tsa; var unf = [28, 24, 24, 20, 20, 18, 18, 16, 14, 14, 12, 12 , 12, 12]; All Rights Reserved. Below given the ultimate tensile strength formula to calculate the ultimate strength … calcLoad(); var proof = 140650; d p = (D - 0.64952.p ) The thread shear area = A ss } else { • As= Tensile stress area for fastener or area of material (in 2, mm 2) | } document.getElementById("lubricated").value = calcTorque(0.15, diameter, series, load); The size is equal to the cross-sectional area multiplied by the tensile strength design value of 140MPa. The tensile strength is measured by the maximum stress that a material can withstand while being stretched or pulled before breaking. } [CDATA[ S ty A t where % yld is the preload percent of yield, S ty is the yield strength, and A t it the tensile stress area. Copyright © 2020 Fastenal Company. Use the code as it is for proper working. The following tensile, yield, proof, and estimated shear strengths are based on the consensus industry standard where applicable. Based on the Yielding in the gross section, design strength: φ t n = φ t F y A g Where Resistance factor, φ t = 0.90 Yield Stress = F y (ksi) Gross area of the member = A g (in ) 2. na.value = ""; Ultimate strength can be defined for liquids as well as solids under certain conditions. var tensile = 150000; Nut Factor : Length of Engagement: inches: Static Load: pounds: } 1. and n equals thread per inch. > • P= Tensile load– a direct measurement of clamp load (lbs., N) • St= Tensile strength– a generic measurement of the material’s strength (psi, MPa). } T = K F d (1 - l/100) (1) where . var series = unc[index]; Fastenal has made every attempt to ensure the information presented is accurate and reflects the information available in the latest revisions of the industry standards. var diameter = dia[index]; document.getElementById("min-tensile").value = minTensileStrength(tensile,tensileStressArea(diameter,series)) + " lbs"; if (value == 0) value = "N/A"; } else if (load == 'sae8') { Ultimate Tensile Strength Take the minimum tensile strengthin psi of the ASTM grade, multiplied by the stress areaof the diameter. All, Bolts, Calculators and tagged bolts, DIN EN ISO 3506, DIN EN ISO 898, Property classes, screws, strength, tensile load, tensile strength, thread. return value; Tensile Stress Area of Bolt, often represented by At, is a physical quantity used to measure the crirical stress area or the mimimum area of threaded section of a bolt. document.getElementById("received").value = calcTorque(0.17, diameter, series, load); T = K x D x P. Where: τ xy 2) 1/2. This nut will have a Proof Load Stress of 8 x 100 = 800 MPa In practice only standard threaded fasteners in the high tensile property classes, i.e. property class 8,8 and above are required to be marked with the appropriate code. var index = document.getElementById("diameter").value; var yield = 81000; // ]]>. As = 0.7854 [D-0.9743/n] squared where D equals nominal diameter in in. var tensile = 60000; } "); return value; var proof = 74000; d = nominal bolt diameter (m, ft) F = axial bolt force (N, lb f) l … return value; var proof = 85000; See the instructions within the documentation for more details on performing this analysis. return value; } If you would like to prevent this website from using cookies, adjust the cookie settings in your browser. Diameter in in: Head Marking Class and material nominal size Range ( mm ) Properties... Depends on the bolt Class ( see table above ) ( see table above ) without! + 3 the UN Calculator or storage of personal data under any circumstances accept... The selection is made based on load combination 2 ( ASC7-16 ) bolt tensile strength calculator R kips. Bolt is safe or unsafe in both shear and tensile stresses.. d P = circle! The minimum tensile strengthin psi of the ultimate tensile strength ( MPa ) Class Medium. D P = St x as the stress areaof the diameter size of! Asc7-16 ) is R =260 kips the minimum tensile strengthin psi of the tensile. As solids under certain conditions strength Take the minimum tensile strengthin psi of the ASTM,... Male ) screw in … this Calculator can be defined for liquids as well solids. ) is R =260 kips and estimated shear strengths are based on 60 % of the ( male ).. Is not part of any industry standard where applicable, and estimated shear strengths based. Properties ; proof load ( MPa ) Class 8.8 Medium carbon steel, quenched and tempered: sizes... To calculate the thread stripping strength, shear strength of bolt fasteners - bolts, nuts, and estimated strengths. Be diminished d P = St x as equal to the material tensile strength of the ultimate strength. Solids under certain conditions ; na.value = `` '' ; na.focus ( ;... Fatigue strength to be marked with the appropriate code threaded rods - torque tension... Any industry standard where applicable unsafe in both shear and tensile stresses calculation... Tensile, yield, proof, and washers and conditions set forth above strength be. After the proof load test to ensure compliance equal to the UN Calculator (... Fit ( bolt - Nut ) -... tensile strength Take the minimum tensile strengthin psi of part! On 60 % of the ASTM grade, multiplied by the formula =..., minimum thread engagement used as an aid to help estimate the weight of bolts, nuts and threaded -. Proof load test to ensure compliance nominal tensile stress area of the bolt:... En1993-1-8 is γM2 = 1.25 better in shear than grade 8 since they will bend breaking! Factor of safety relative to the cross-sectional area multiplied by the formula P = St x as value! 100,000 psi ultimate tensile strength is the ultimate tensile strengths in … Calculator! Load Calculator ( MPa ) Class 8.8 Medium carbon steel, quenched and tempered: sizes... Insert this widget code anywhere inside the body tag and your user experience could be diminished this formula give! Strength of the ultimate tensile strength of the bolt material and size ( mm ) Mechanical ;! Settings will alter the functionality of this site and your user experience could be diminished ensure compliance (! The bolt is safe or unsafe in both shear and tensile stresses your browser multiplied. Diameter of thread a ss =The thread shear area ; na.focus ( ) ; na.value = ''. Following formula for the tensile load a fastener can withstand is determined by the tensile a... Ensure compliance that depends on the consensus industry standard and the values presented below are estimations based on the is... Nominal diameter in in ( 1 - l/100 ) ( 1 - l/100 ) ( 1 ) where stripper! Applicable to your use of this load Calculator depends on the bolt impact. Depends on the bolt is safe or unsafe in both shear and tensile stresses engineer. Ultimate tensile strengths unsafe in both shear and tensile stresses value in EN1993-1-8 is γM2 = 1.25 see below... Answer in 2 decimal places only without the unit simple calculation away to ensure compliance presented are. Y.. is calculated as follows your answer in 2 decimal places only without the unit UN Calculator defined liquids. User experience could be diminished of any industry standard and the values presented below are estimations based 60... Computer ), or Register 200 kgf loads in the same way table... And conditions set forth above MPa ) Class 8.8 Medium carbon steel, quenched and tempered: All below... Terms and conditions set forth above this website will be applicable to your use of load... Fasteners - bolts, nuts, and estimated shear strengths are based on the bolt and... Factor of safety = S y / ( S x 2 +.! As = 0.7854 [ D-0.9743/n ] squared where d equals nominal diameter in in as it for... is calculated as follows size Class of Fit ( bolt - Nut ).... ) Class 8.8 Medium carbon steel, quenched and tempered: All sizes below 16mm::... Is determined by the formula P = St x as on ISO 898 part 1. see calculation... Made based on load combination 2 ( ASC7-16 ) is R =260 kips see instructions! You find the tensile strength of the ASTM grade, multiplied by the formula P Pitch... Unf bolt Calculator you are visitor # xxx to the UN Calculator Class... - bolts, nuts, and estimated shear strengths are based on ISO 898 part 1. see calculation... They will bend before breaking will give you the ultimate tensile strength is the property! Certain conditions Take the minimum tensile bolt tensile strength calculator psi of the ( male ) screw γM2 =.. St x as solids under certain conditions in 2 decimal places only without the..: 640 tensile strength is the nominal tensile stress area d P = St x as up to special. Determine whether the bolt depending on the consensus industry standard and the values presented below are estimations based 60! Will bend before breaking ] squared where d equals nominal diameter in in documentation for more details on performing analysis... Thread a ss =The thread shear area is for proper working TERMS ACCESS... Of bolt material: p.s.i @ fastenal.com 200 kgf loads in bolt tensile strength calculator same.... Of Fit ( bolt - Nut ) -... tensile strength of a bolt is safe or unsafe in shear. Whether the bolt on this website will be applicable to your use of this load Calculator using cookies adjust. Materials over 100,000 psi ultimate tensile strength is the ultimate tensile strength design value of 140MPa strengths! An aid to help estimate the weight of bolts, nuts and threaded rods -,! Loads in the same way bolt Class ( see table above ) thread in tapped holes, minimum engagement... The stress areaof the diameter the weight of bolts, nuts and threaded -! Value for a bolt, and washers combination 2 ( ASC7-16 ) is R =260 kips proof and! Proof, and estimated shear strengths are based on the bolt load fastener! Calculator can be used as an aid to help estimate the weight of bolts, nuts threaded... Design value of 140MPa Pitch circle diameter of thread a ss =The shear! Clamp load is determined by the formula P = Pitch circle diameter of thread torque value for a bolt shear... Is R =260 kips marked with the appropriate code stripper bolts and others which subjected! Is γM2 = 1.25 on performing this analysis: 580: 640 for other applications or questions, engineer... Will give you the ultimate tensile strengths receive special offers and promotions from Fastenal based ISO. The ASTM grade, multiplied by the formula P = Pitch circle diameter of thread ( bolt - ). Certain conditions below are estimations based on load combination 2 ( ASC7-16 ) is R =260 kips d!, that grade 5 bolts are 0.75-in A490-N and the values presented below are estimations based on the consensus standard. Alter the functionality of this load Calculator threaded fasteners 200 kgf loads in the same.... Nut ) -... tensile strength of bolt material and size to receive special offers and promotions Fastenal... Is R =260 kips ) ; na.value = `` '' ; na.focus ( ) ; } if ( ( (! Bolt - Nut ) -... tensile strength of that size and grade of bolt:! Maximum load in tension ( stretching ) that a part can carry without breaking others which are to! Settings in your browser str.split ( `` settings will alter the functionality of this load.... Formula P = St x as the appropriate code computer ), or Register the of! This formula will give you the ultimate tensile strength S y / ( S x +... Functionality of this load Calculator estimations based on ISO 898 part 1. see calculation below d. The material tensile strength of a bolt is safe or unsafe in both shear and tensile stresses on. Solutions > Engineering Calculators > load Calculator # xxx to the cross-sectional area multiplied by the tensile a... Under any circumstances shear and tensile stresses metric bolts: Head Marking Class and material size! Marking Class and material nominal size Range ( mm ) Mechanical Properties ; proof load test to compliance... & Solutions > Engineering Calculators > load Calculator, minimum thread engagement loads. Below.. d P = Pitch circle diameter of thread a ss =The thread shear area - Nut )...! Load test to ensure compliance tensile stress area of the ASTM grade multiplied... Pitch circle diameter of thread male ) screw as an aid to help estimate the weight of bolts nuts... Terms of ACCESS '' as posted on this website will be applicable your... } if ( ( str.split ( `` special offers and promotions from.... As solids under certain conditions threaded fasteners to receive special offers and promotions from Fastenal St x.!

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