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AISC LRFD 1.pdf

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142 NUMERICAL VALUESItemShapes, Plates, Bars, Sheet and Tubing or Threaded partsBoltsASTMDesignationTABLE 2 (cont’d)Design Strength as a Function of F uGradeF yKsi(MPa)A606 - 45(310)50(345)A607 - 45(310)50(345)55(380)60(415)65(450)70(485)A618 - 50(345)50(345)A913/A913M 50(345)60(415)65(450)70(485)50(345)60(415)65(450)70(485)A992/A992M - 50 to 65(345 to 450)A449 - 92(635)81(560)58(400)F uKsi(MPa)65(450)70(485)60(415)65(450)70(485)75(520)80(550)85(585)70(485)65(450)65(450)75(520)80(550)90(620)65(450)120(825)105(725)90(620)Connected Partof DesignatedSteelTension0.75 F u[a]48.8(338)52.5(364)45.0(311)48.8(338)52.5(364)56.3(390)60.0(413)63.8(439)52.5(364)48.8(388)48.8(338)56.3(390)60.0(413)67.5(465)48.8(338)------Design Strength, ksi (MPa)Bearing0.75 2.4 F u[b]117(810)126(873)108(747)117(810)126(873)135(936)144(990)153(1050)126(873)117(810)117(810)135(936)144(990)162(1120)117(810)-----Bolt or Threaded Part ofDesignated SteelTension0.75 0.75 F u[c]--------------------36.6(253)42.2(293)45.0(309)50.6(349)36.6(253)67.5(464)59.1(408)50.6(349)Shear0.75 0.40 F u[d]--------------------19.5(135)22.5(156)24.0(165)27.0(186)19.5(135)36.0(248)31.5(218)27.0(186)Shear0.75 0.50 F u[e]--------------------24.4(169)28.1(195)30.0(206)33.8(233)24.4(169)45.0(309)39.4(272)33.8(233)[a] On effective net area, see Sections D1, J5.2.[b] Produced by fastener in shear, see Section J3.10. Note that smaller maximum design bearing stresses, asa function of hole type spacing, are given.[c] On nominal body area, see Table J3.2.[d] Threads not excluded from shear plane, see Table J3.2.[e] Threads excluded from shear plane, see Table J3.2.[f] Smaller value for circular shapes, larger for square or rectangular shapes.Note: For dimensional and size limitations, see the appropriate ASTM Specification.<strong>LRFD</strong> Specification for Structural Steel Buildings, December 27, 1999AMERICAN INSTITUTE OF STEEL CONSTRUCTION

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