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The Use Of Various Materials Seamless Pipe
Nov 29, 2017

Seamless steel tubes, because of their different uses are divided into the following varieties:
GB / T8162-1999 (structural seamless steel pipe). Mainly used for general structure and mechanical structure. Its representative material (grade): 20,45 steel carbon steel; alloy steel Q345, 20Cr, 40Cr, 20CrMo, 30-35CrMo, 42CrMo and so on.
GB / T8163-1999 (seamless steel pipe for transporting fluid). Mainly used for conveying fluid pipes on engineering and large equipment. Representative material (grade) 20, Q345 and so on.
GB3087-1999 (low and medium pressure boiler seamless steel pipe). Mainly used in industrial boilers and domestic boilers to transport low-pressure fluid pipe. Representative material is 10,20 steel.
GB5310-1995 (high pressure boiler seamless steel pipe). Mainly used in power plants and nuclear power plant boilers on the high temperature, high pressure conveying fluid header and pipeline. Representative material for the 20G, 12Cr1MoVG, 15CrMoG and so on.
GB5312-1999 (ships with carbon steel and carbon-manganese steel seamless steel pipe). Mainly used in ship boiler and superheater with I, II-level pressure pipe. Representative material for the 360,410,460 steel grade and so on.
GB1479-2000 (high pressure fertilizer equipment seamless steel pipe). Mainly used for transporting high temperature and pressure fluid pipes on fertilizer equipment. Representative material is 20,16Mn, 12CrMo, 12Cr2Mo and so on.
GB9948-1988 (petroleum cracking seamless steel pipe). Mainly used in oil smelter boiler, heat exchanger and its delivery of fluid pipelines. The representative material is 20,12 CrMo, 1Cr5Mo, 1Cr19Ni11Nb and so on.
GB18248-2000 (cylinder seamless steel pipe). Mainly used for the production of gas, hydraulic cylinders. The representative material for the 37Mn, 34Mn2V, 35CrMo and so on.
GB / T17396-1998 (Hot-rolled seamless steel pipe hydraulic props). Mainly used in the production of coal mine hydraulic support and cylinder, column, and other hydraulic cylinders, columns. The representative material is 20,45,27 SiMn and so on.
GB3093-1986 (diesel engine with high-pressure seamless steel pipe). Mainly used in diesel injection system high-pressure tubing. The pipe is generally cold drawn tube, the representative material is 20A.
GB / T3639-1983 (cold drawn or cold rolled precision seamless steel pipe). Mainly used for mechanical structure, carbon equipment used, requiring high dimensional accuracy, good surface finish steel. Its representative material 20,45 steel.
GB / T3094-1986 (Cold drawn seamless steel pipe shaped steel pipe). Mainly used for making all kinds of structural parts and parts, the material is high quality carbon structural steel and low alloy structural steel.
GB / T8713-1988 (hydraulic and pneumatic cylinder with precision inner diameter seamless steel pipe). Mainly used in the production of hydraulic and pneumatic cylinder with a precision diameter size of cold drawn or cold-rolled seamless steel pipe. The representative material is 20,45 steel.
GB13296-1991 (boiler, heat exchanger stainless steel seamless pipe). Mainly used in chemical companies boilers, superheaters, heat exchangers, condensers, catalytic tubes. With high temperature, high pressure, corrosion-resistant steel. The representative material is 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti and so on.
GB / T14975-1994 (Structural stainless steel seamless pipe). Mainly used for the general structure (hotels, restaurants decoration) and the mechanical structure of chemical companies resistant to atmospheric, acid corrosion and has a certain strength of steel. Its representative material is 0-3Cr13,0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti and so on.
GB / T14976-1994 (stainless steel seamless pipe for fluid transmission). Mainly used for transporting corrosive media. Representative material is 0Cr13, 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr17Ni12Mo2, 0Cr18Ni12Mo2Ti and so on.
YB / T5035-1993 (automobile axle sleeve seamless steel pipe). It is mainly used for producing high-quality carbon structural steel and alloy structural steel hot-rolled seamless steel pipe for automobile axle sleeve and drive axle axle. The representative material is 45,45Mn2,40Cr, 20CrNi3A and so on.