Classifaction of seamless steel pipe

Seamless steel pipe, because of its purpose and is divided into the following several different species:

Structural steel pipe: mainly used in the general structure and the mechanical structure. It represents material (brand) : carbon steel, 45 # steel 20; Alloy steel Q345, 20 crmo 20 cr, cr, 40, 30-35 crmo, 42 crmo, etc.

Low medium pressure boiler seamless steel pipe: mainly used in industrial boiler and boiler of low intermediate pressure fluid pipe life. On behalf of the material for 10, 20 steel.

High pressure boiler seamless steel pipe: mainly used in power plant and nuclear power plant boiler high temperature resistant, high voltage transmission fluid collection box and the pipeline. On behalf of the material of 20 g, 12 cr1movg, 15 crmog, etc.

Ship with carbon steel and carbon manganese steel seamless steel pipe: mainly used in Marine boiler and overheating for grade I, II pressure tube, etc. On behalf of the material for 360, 410, 460, steel grade, etc. GB/T8163-1999 (transmission fluid with seamless steel tube). Mainly used in engineering and large equipment in pipes conveying fluid. On behalf of the material (brand) of 20, Q345, etc.

Seamless steel pipe used in high pressure chemical fertilizer equipment: mainly used in fertilizer equipment in high temperature

High pressure fluid pipe. On behalf of the material for 20, 16 mn, 12 crmo, 12 cr2mo, etc.

Seamless steel tube used in oil cracking: mainly used in oil refineries of boiler, heat exchangers and pipe conveying fluid. Its representative material of 20, 12 crmo, 1 cr5mo, 1 cr19ni11nb, etc.

Cylinders with seamless steel pipe: mainly used in producing all kinds of gas, hydraulic cylinders. It represents material for 37 mn, 34 mn2v, 35 crmo, etc.

Hydraulic prop with hot rolled seamless steel pipe: mainly used in production of coal mine hydraulic support and cylinder, column, and other hydraulic cylinder, column. Its representative material of 20, 45, 27 simn, etc.

If you would like to know more about seamless steel pipe and carbon steel pipe,pls visit:Hunan great steel pipe co.,ltd