Steel Pipe in Different Kind of Application

There are differant applied places. And then there will be different requirements for steel pipe. Here we compare some common steel pipe standards for same application as below:

Product	Standard	Steel Grade	Application
Line Pipe	API 5L, ASTM A53/A106, DIN1629, JIS G3454, JIS3466	A, B, X42, X46, X52, X56, X60, X65, X70, St37,ST52	Transmission of the petroleum, natural gas and water
Cylinder Pipe	GB18248	34Mn2V, 37Mn, 30CrMo, 34CrMo4	Raw material for producing cylinder
Boiler Tube	ASME SA106 , ASME SA210, ASME SA213, ASME SA335, DIN 17175, GB3087, GB5310	A, B, V, T11, T12, T22, T91, St35.8, St45.8, 20#, 20G, 20MnG, 20MoG, 15CrMoG, 12Cr1MoVG	Low & medium & high pressure boiler header, steam pipe, heating pipe
Structure Pipe	ASTM A53/A106, GB8162	A, B, 20#, 45#, Q345, 20Mn2, 42CrMo	Used for producing mechanical parts and pipe fittings
Hydraulic Tube	GB17396	35#, 45#, 27SiMn, 20CrMo4, 30CrMo4	Mining machinery
Oil Cracking Tube	ASME SA213, GB9948	T5, T9, 20#, 16Mn, 12CrMo, 15CrMo	Used in petroleum cracking furnace
Chemical Pipe	GB6479	20#, 16Mn, 12CrMo, 15CrMo	High pressure chemical equipment and tube