常用钢材及许用应力

常用钢材及许用应力

2.3常用钢材的许用应力钢号钢板标准使用状态4）厚度mm常温强度指标在下列温度（°C）下的最用应力，MPat大许0bminMPa0sminMPa-20~20100150200250300350400425450475500525550575600625650675700碳素（钢1Athf板v▼F7Q235-A・F2)GB912HR3~437523511311311310594GB32744.5~1637523511311311310594Q235-A2)Q235-B2)GB912HR3~4375235113113113105948677GB32744.5~16375235113113113105948677>16~4037523511311310799918375Q235-C2)GB912HR3~4375235125125125116104958679GB32744.5~16375235125125125116104958679>16~40375235125125119110101928377

20RGB6654HR或N6~164002451331331321231101019286836141>16~36400235133132126116104958679786141>36~60400225133126119110101928377756141>60~10040020512811511010392847771686141低合金钢钢板16MnRGB6654HR或N6~16510345170170170170156144134125936643>16~36490325163163163159147134125119936643>36~60470305157157157150138125116109936643>60~100460285153153150141128116109103936643>100~12045027515015014713812511310610093664315MnVRGB6654HR或N6~85503901831831831831831721591476~16530390177177177177177172159147>16~36510370170170170170170163150138>36~6049035016316316316316315314113115CrMoRGB6654NT6~60450295150150150150141131125118115112110885837>60~100450275150150147138131123116110107104103885837钢号钢板使用厚度mm常温强度指标在下列温度（°C）下的最大许用应力，MPa

标准状态4)0bminMPa0sminMPa-20~20100150200250300350400425450475500525550575600625650675700高合金钢钢板0Crl3GB4237A2~601371261231201191171121091051008972533826160C18Ni9GB4237S2~6013713713713012211411110710510310110098917964524232273)13711410396908582797876757473716762524232270Crl7Nil2Mo2GB4237S2~601371371371341251181131111101091081071061059681655038303)13711710799938784828181807978787673655038300Crl8Nil2Mo2TiGB4237S2~601371371371341251181131111101091081073)1371171079993878482818180790Crl9Nil3Mo3GB4237S2~601371371371341251181131111101091081071061059681655038303)137117107999387848281818079787876736550383000Crl9Nil0GB4237S2~60118118118110103989491893)118978781767369676600Crl7Nil4Mo2GB4237S2~6011811811710810095908685843)11897878074706764636200Crl9Nil3Mo3GB4237S2~601181181181181181181131111101093)11811710799938784828181中间温度的许用应力，可按本表的数值用内插法求得。2）所列许用应力，已乘质量