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1、母材类别表及最小抗拉强度对照表序号母材类别钢号材料类型母材最小抗拉强度1IA216GRWCC碳钢4852IA216GRWCB碳钢4853IA234GRWPB碳钢4154IS235JRG2碳钢3605IQ235B碳钢3706ITU42C碳钢4107IAE250B1碳钢4108IA105碳钢4859ITU48C碳钢47010IP295GH碳钢46011IP280GH碳钢47012IA48碳钢47013IA48AP碳钢47014I16MnHD碳钢47015I20R碳钢40016I20碳钢41017IA106GRB碳钢41518IT
2、UE250B碳钢41019IA42碳钢41020IA42AP碳钢41021I20HD碳钢41022IQ245R碳钢40023IZG275-285H碳钢48524I20M5M碳钢47025IP235GH碳钢36026I16Mn碳钢47027I20HR碳钢41028I20HR-B碳钢41029IP265GH碳钢41030II20MnHR碳钢51031II16MnHR碳钢47032VIZ2CN1810不锈钢不含钼33VI304L不锈钢不含钼34VI316L不锈钢含钼35VI06Cr19Ni10（0Cr18Ni9）不锈钢不含钼36V
3、I022Cr19Ni10（00Cr18Ni9）不锈钢不含钼37VIZ2CND1712不锈钢含钼38VIZ2CND1812N不锈钢含钼焊接位置等效覆盖范围焊接位置等效覆盖范围焊接工艺评定时试件可覆盖产品覆盖位置备注试件组对位置板&板对接1G1G,1F,1GT板&板对接2G1G,2G,1F,2F,6F,1GT,2GT板&板对接3G11G,3G1,1F,3F1,1GT板&板对接4G1G,4G,1F,4F,7F,1GT板&板角接1F1F板&板角接2F1F,2F,6F板&板角接3F11F,3F1,板&板角接4F1F,4F,7F管&管对
4、接1GT1G,1F,1GT管&管对接2GT1F,2F,6F,1GT,2GT管&管对接5G1T1F,3F1,4F,5F,7F,1GT,5G1T管&管对接6GT(H-L045)所有位置仅适用于0426AT0065或0426T201范围内的焊接管&板角接5F1F,5F管&板角接6F1F,2F,6F管&板角接7F1F,4F,7F管&管角接5FT1F,5F,5FT管&管角接6FT1F,2F6F,6FT管&管角接7FT1F,4F,7F,7FT管&承插管件角接（插套）6G2所有插套焊接位置焊接接头类型等效覆盖范围焊接接头类型等效覆盖范围焊
5、接工艺评定试件可覆盖产品接头类型试件组对方式接头类型板&板或管&管对接1B1B,2B(背面清根),3B,1A,2A(背面清根),3A板&板或管&管对接2B2B,3B,2A,3A板&板或管&管对接4B4B,4A管&管（支管）角接1P1P管&管（支管）角接2P1P,2P,2Pa(背面清根)管&管（支管）角接2Pa1P,2Pa管&管（支管）角接3P1P,3P管&承插管件角接（插套）SS
