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1、不同材质化学成分和力学性能的标准要求(目前常用)材质化学成分力学性能标准inbi抗拉强度屈服强度延伸率440QZ0.120.501.30.0250.0300.0444057032015Q/TB480QZ0.160.201.50.0150.0200.0448058035521Q/TBQSTE340TM0.120.501.30.0250.0300.090.22420-54034025Q/BQBQSTE380TM1.4450-59038023QSTE420TM1.5480-62042021QSTE460TM1.652067046019QSTE500TM1.755070050017QSTE550TM0
2、.100.101.700.0100.0250.090.200.1560076055014QSTE600TM1.8065082060013QSTE650TM2.0070088065012QSTE700TM2.1075095070012ZQS700Z0.120.22.100.0100.02575095070015N800.030.03689552758见附2APIQ345B0.200.551.01.60.040.0447063034520GBQ390B490-65039019Q420B1.01.7520-68042018Q460C、D0.030.03590-71045020J550.0255173
3、79-552见附1API200.170.230.170.370.350.650.040.0441024525GBT510L0.160.501.600.0250.0300.0651061035524Q/BQBBG590CL0.120.501.700.0150.0250.090.0559048017B600QZR60076055014B700QZR70082060013X42 (S290)0.200.351.400.0150.025414-758290-49621APIX46(S320)434-758317-52420X52 (S360)0.200.351.400.0150.025455-758359-53119APIX56(S390)0.40490-758386-54418X60 (S415)517-75841456517X65 (S450)1.45531-75844860017X70 (S485)1.65565-75848362116X80 (S555)1.85621-82755269015
