鋼板入廠檢驗規(guī)程

1、鋼板入廠檢驗規(guī)程6.1.1不銹鋼板鋼種牌號技術條件化學成份%CSiMnSPCrNi其他不銹鋼06Cr19Ni10GB/T3280-2007GB/T4237-20070.080.752.000.0300.04518.0020.008.0010.50022Cr19Ni100.0300.752.000.0300.04518.0020.008.0012.0012Cr18Ni90.150.752.000.0300.04517.0019.008.0010.0006Cr17Ni12Mo20.080.752.000.0300.04516.0018.0010.0014.00Mo2.003.00022Cr17Ni

2、12Mo20.0300.752.000.0300.04516.0018.0010.0014.00Mo2.003.0006Cr18Ni11Ti0.080.752.000.0300.04517.0019.009.0012.00Ti5C%鋼種牌號技術條件狀態(tài)規(guī)定非比例延伸強度RP0.2/MPa抗拉強度Rm/MPa斷后伸長率A/%硬度值耐腐蝕性能試驗HBWHRBHV不銹鋼06Cr19Ni10GB/T3280-2007GB/T4237-2007固溶2055154020192210方法按協(xié)議022Cr19Ni10170485402019221012Cr18Ni9205515402019221006Cr17

3、Ni12Mo22055154021795220022Cr17Ni12Mo2170485402179522006Cr18Ni11Ti2055154021795220注: a、屈服強度及硬度僅當需方要求時（在合同內注明）才進行測定。b、硬度試驗可按其中一種方法檢驗。6.1.2碳素結構鋼板鋼號牌號技術條件化學成份/%CSiMnS P普通碳素鋼Q235 A級GB/T700-20060.220.351.400.0500.045Q235 B級0.200.045Q235 C級0.170.0400.040Q235 D級0.170.0350.035注:1、經需方同意，Q235B的碳含量可不大于0.22%。 2、

4、用于壓力管道元件的Q235B級、Q235C級鋼板S含量不應大于0.020%，P含量不應大于0.030%。6.1.2碳素鋼板牌號技術條件狀態(tài)規(guī)格mm拉伸試驗沖擊試驗冷彎試驗屈服強度抗拉強度斷后伸長率沖擊溫度Akv/J彎心直徑d板厚aReH/MPaRm/MPaA/%Q235 A級GB/T700-2006GB/T3274-2007熱軋1623537050026180B=2ad=1.5a（橫）B：試樣寬度Q235 B級1640225262027Q235 C級406021525027Q235 D級6010021524-2027180B=2ad=2.5a（橫）注:A級鋼板冷彎試驗在需方有要求時才進行。6.1.3鍋爐和壓力管道元件用鋼板牌號技術條件化學成份/%CSiMnSPQ245RGB713-20080.200.350.501.000.0150.025Q345R0.200.551.201.600.0150.025牌號技術條件交貨狀態(tài)鋼板厚度mm拉伸試驗沖擊試驗彎曲試驗抗拉強度Rm/MPa屈服強度 ReL/MPa斷后伸長率A/%溫度V型沖擊功（橫向）Akv/J180b=2a不小于不小于不小于Q245RGB713-2008熱軋、控軋或正火31640052024525031d=1.5a163623536602256010039051020524d=2aQ345R3165