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product	standard	number
Seamless steel tubes for liquid service	GB/T8163	10、20
Seamless steel tubes for Low and Medium Pressure Boiler	GB3087	10、20
Seamless steel tubes for high pressure boiler	GB5310	20G、25MnG、15MoG、15Gr2MoG、12Gr2MoG、12Gr1MoVG
Seamless steel tubes for chemical equipment fertilizer	GB6479	10、20、16Mn
Seamless steel tubes for cracking	GB9948	10、20、12GrMo、15CrMo
High temperature Seamless carbon steel pipe	ASTMA106/ASMESA106	A106A、A106B、A106C
Seamless cold drawing carbon steel tube for Heat exchanger and condenser	ASTMA179/A179M/ASME SA-179/SA-179M	SA179
Boiler, superheater and heat exchanger seamless tube	ASTMA213/A213M/ASME SA-213/SA-213M	SA-213T11、SA-213T12、SA-213T22
Non plating coating and hot dipping calvanizing welded and seamless pipe	ASTMA53/A53M/ASME SA-53/SA-53M	A53A、A53B
Seamless medium- carbon steel boiler and superheater tube	ASTMA210/A210M/ASME SA-210/SA-210M	SA210A1、SA210C
High pressure seamless carbon steel boiler tube	ASTMA192/A192M/ASME SA-192/SA-192M	SA192
Line pipe	API SPEC 5L	----