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Screw Capacities <br />Table Notes <br />1. Capacities based on AISI S100 Section E4. <br />2. When connecting materials of different steel thicknesses or <br />tensile strengths, use the lowest values. Tabulated values <br />assume two sheets of equal thickness are connected. <br />3. Capacities are based on Allowable Strength Design (ASD) and <br />include safety factor of 3.0. <br />4. Where multiple fasteners are used, screws are assumed to <br />have a center -to -center spacing of at least 3 times the nominal <br />diameter (d). <br />5. Screws are assumed to have a center -of -screw to edge -of -steel <br />dimension of at least 1.5 times the nominal diameter (d) of the <br />screw. <br />Appr(fived <br />FOR PERMIT ISSUANCE <br />6. Pull-out capacity is based on the lesser of pull-out capacity in <br />sheet closest to screw tip or tension OaMM K screw. <br />7. Pull -over capacity is based on the I � of pull -over capacity for <br />sheet closest to screw header or t n7% c'trength of screw. <br />8. Values are for pure shear or tension <br />for combined shear and pull -over. <br />9. Screw Shear (Pss), tension (Pts), diameter, and head diameter <br />are from CFSEI Tech Note (F701-12). <br />10. Screw shear strength is the average value, and tension strength <br />is the lowest value listed in CFSEI Tech Note (F701-12). <br />11. Higher values for screw strength (Pss, Pts), may be obtained by <br />specifying screws from a specific manufacturer. <br />Screw <br />Connection <br />CapacityAllowable <br />86 Screw <br />BS Screw <br />1 <br />tt10 Screw <br />012 Screw <br />i." Screw <br />Fy <br />Fu <br />(Pss - 643 <br />lbs. Pts = 419lbs) <br />(Pss= 12781bs, Pts = 586 Ibs) <br />(Pss= 1644 lbs, Pts = 1158 Ibs) <br />(Pas= 2330 <br />lbs. Pts = 2325lbs) <br />(Pss= 3048 Ibs, Pts = 3201 Ibs)' <br />Thickness <br />Design <br />Yield <br />Tensile11 <br />JR16) <br />Thickness <br />((kill)(ks!) <br />0.138"dia, <br />0.272" <br />Head <br />0.164" dia. 0.272" <br />Head j <br />0.190"dia, <br />0.340"Head <br />0.216" dia. 0.340" <br />Head <br />0.250' <br />dia, 0.409"Head <br />Sheer <br />. Pull -Out ,Pull <br />-Over <br />Shear <br />; Pull -Out <br />Pull -Over <br />Shear <br />ull-Out <br />ull-Over <br />Shear <br />Pull -Out ;Putt <br />-Over <br />Shear <br />Pull -Out <br />Pull -Over <br />18 <br />0 713 s - <br />- 33 <br />44 <br />24 <br />84 <br />48 <br />29 <br />84 <br />52 <br />33 <br />105 <br />55 <br />36 <br />105 <br />60 <br />44 <br />127 <br />27 <br />0.0283 <br />33 <br />33 <br />82 <br />37 <br />127 <br />89 <br />43 <br />I 127 <br />96 <br />50 <br />159 <br />102 <br />57 1 <br />159 <br />110 <br />66 <br />191 <br />30 <br />0.0312 <br />33 <br />33 <br />95 <br />40 <br />140 <br />103 <br />48 <br />1 140 <br />111 <br />55 <br />175 <br />1 118 <br />63 1 <br />175 <br />127 <br />73 <br />211 <br />33 <br />0,0346 <br />33 <br />45 <br />151 <br />61 <br />140 <br />164 <br />72 <br />195 <br />177 <br />84 <br />265 <br />188 <br />95 <br />265 <br />203 <br />110 <br />318 <br />43 <br />0.0451 <br />33 <br />45 <br />214 <br />79 <br />140 <br />244 <br />94 <br />195 <br />263 <br />109 <br />345 <br />280 <br />124 <br />345 <br />202 <br />1 144 <br />415 <br />54 <br />0,0566 <br />33 <br />45 <br />214 <br />100 <br />1 140 <br />344 <br />1 118 <br />195 <br />370 <br />137 <br />I 386 <br />394 <br />j 156 <br />1 433 <br />424 <br />180 <br />1 521 <br />68 <br />0.0713 <br />33 <br />45 <br />214 <br />125 i <br />140 <br />426 <br />149 <br />195 <br />523 <br />173 <br />386 <br />557 <br />I 196 <br />545 <br />600 <br />1 227 <br />656 <br />97 <br />0,1017 <br />33 <br />45 <br />214 <br />140 <br />140 <br />426 <br />195 <br />195 <br />548 <br />248 <br />I 386 <br />777 <br />280 <br />1 775 <br />1.016 <br />324 <br />1 936 <br />Ila <br />0.1242 <br />33 <br />45 <br />214 <br />i 140 <br />140 <br />1 426 <br />195 <br />195 <br />548 <br />301 <br />386 <br />777 <br />342 <br />775 <br />1A16 <br />396 <br />1,067 <br />54 <br />0.0568 <br />50 <br />65 <br />2/4 <br />140 <br />140 <br />426 <br />171 <br />195 <br />386 <br />569 <br />225 <br />625 <br />613 <br />261 <br />752 <br />0.0713 <br />50 <br />65 <br />214 <br />1 140 <br />140 <br />426 <br />195 <br />195 <br />8 <br />49 <br />386 <br />777 <br />284 <br />775 <br />866 <br />328 <br />948 <br />97 <br />0.1017 <br />W <br />65 <br />214 <br />140 <br />140 <br />426 <br />195 <br />195 <br />548 <br />3W <br />386 <br />777 <br />1 405 <br />775 <br />1,016 <br />468 <br />t,067 <br />18 <br />01242 <br />50 <br />65 <br />1 214 <br />140 <br />140 <br />426 <br />195 <br />195 <br />548 <br />386 <br />386 <br />777 <br />' 494 <br />775 <br />1016 <br />572 <br />067 <br />Weld Capacities <br />Table Notes <br />1. Capacities based on the AISI S100 Specification Sections E2.4 for <br />fillet welds and E2.5 for flare groove welds. <br />2. When connecting materials of different steel thicknesses or <br />tensile strengths, use the lowest values. <br />3. Capacities are based on Allowable Strength Design (ASD). <br />4. Weld capacities are based on E60 electrodes. For material <br />thinner than 68 mil, 0.030" to 0.035" diameter wire electrodes <br />may provide best results. <br />5. Longitudinal capacity is considered to be loading in the direction <br />of the length of the weld. <br />6. Transverse capacity is loading in perpendicular direction of the <br />length of the weld. <br />7. For flare groove welds, the effective throat of weld is <br />conservatively assumed to be less than 2t. <br />8. For longitudinal fillet welds, a minimum value of EQ E2.4-1, <br />E2.4-2, and E2.4-4 was used. <br />9. For transverse fillet welds, a minimum value of EQ E2.4-3 and <br />E2.4-4 was used. <br />10. For longitudinal flare groove welds, a minimum value of <br />EQ E2.5-2 and E2.5-3 was used. <br />Allowable Vftld <br />Capacity <br />Fir <br />Fu <br />Fillet Welds <br />Flare Groove Welds <br />Thickness <br />Dos*YWd <br />Tensile <br />(Nis) <br />ThkkMY <br />Jill <br />(ksi) <br />Longitudinal <br />Transverse <br />Longitudinal Transverse <br />43 <br />0.0451 <br />33 <br />45 <br />499 <br />864 <br />544 663 <br />54 <br />0.0566 <br />33 <br />45 <br />626 <br />1084 <br />682 I 832 <br />68 <br />00713 <br />33 <br />45 <br />789 <br />1365 <br />859 '049 <br />97 <br />0.1017 <br />33 <br />45 <br />1125 <br />1269 <br />_ <br />54 <br />0.0566 <br />50 <br />65 <br />905 <br />1566 <br />985 12- <br />68 <br />0.0713 <br />50 <br />65 <br />1140 <br />1972 <br />1241 1514 <br />97 <br />01017 <br />50 <br />65 <br />1269 <br />1269 <br />'Weld capaaly tot material thickness greater than 0.10'requIre5 engineering judgment to determine leg of weeds, WI and W2 <br />sn <br />