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Production standards

● EUROPEAN STANDARDS
Product name	Producing standrds	Specification range	Steel
Seamless steel tube for elevated temperature	EN 10305-1	∅ 4﹣76 x 0.5﹣8	E215, E235, E255


● GERMAN STANDARDS
Product name	Standrds	Range	Steel
Cold-drawn seamless precision tube	DIN2391	∅ 4﹣76 x 0.5﹣8	St35, St37.4, St45, St52


Seamless steel tube for elevated temperature	DIN 17175	∅ 4﹣76 x 0.5﹣8	St35.8, St45.8


● AMERICAN STANDARDS
Product name	Standrds	Range	Steel
Seamless steel tube for elevated temperature	ASTM A106	∅ 4﹣76 x 0.5﹣8	A106, A179


● CHINESE STANDARDS
Product name	Standrds	Range	Steel
Seamless steel pipe for high pressure diesel	GB/3093-2002	∅ 4﹣60 x 0.5﹣8	10, 20, Q345

Cold-drawn seamless precision tube	GB/3639-2000	∅ 4﹣60 x 0.5﹣8	10, 20, 35, 45


Seamless steel tube for liquid transporting	GB/T8163-2008	∅ 4﹣60 x 0.5﹣8	10, 20, 16Mn