螺栓规格尺寸对照表.doc

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1、螺栓规格尺寸对照表GB3632—83钢结构用扭剪型高强螺栓连接副材料机械性能合金钢螺栓10.9S钢螺母10H钢垫圈HRC35-45螺栓规格dM16M20M22M24螺栓dkmin30374144k公称10131415L40-6065-12045-7075-14050-7580-10555-8085-180b3035354040454550螺母smax27343641mmax17.1020.7023.6024.20emin29.5637.2939.5545.20垫圈d1min17212325d2max33404247smax4.804.805.805.80 GB/T122

2、8—91GB/T1230—91钢结构用高强度大六角螺栓连接副材料机械性能合金钢螺栓10.9S钢螺母10H钢垫圈HRC35-45螺栓规格dM12M16M20[M22]M24[M27]M30螺栓（b）L≤40b＝25L≤50b＝30L≤60b＝36L≤65b＝40L≤70b＝45L≤75b＝50L≤80b＝55L>40b=30L>50b=35L>60b=40L>65b=45L>70b=50L>75b=55L>80b=60emin22.7829.5637.2939.5545.2050.8555.37k公称7.5010.0012.5014.0015.0017.0018.70s2

3、1.0027.0034.0036.0041.0046.0050.00L35-7545-12050-16055-22060-24065-26070-260螺母emax22.7829.5637.2939.5545.2050.8555.37mmax12.3017.1020.2723.0024.2027.6030.37