GB standards for Seamless steel pipe
GB standards for Seamless steel pipe
The GB seamless steel pipe is made of steel ingot or solid tube blank through perforation, and then made by hot rolling, cold rolling or cold drawing.
GB/T8162-1999 (seamless steel pipe for structure).
The Specification for seamless steel tubes for general structural and mechanical construction.
Its representative material (grade): carbon steel 20, 45 steel; alloy steel Q345, 20Cr, 40Cr, 20CrMo, 30-35CrMo, 42CrMo and so on.
GB/T8163-1999 (seamless steel pipe for conveying fluid).
The Specification for pipelines for the transport of fluids in engineering and large equipment.
The representative material (grade) is 20, Q345, etc.
GB3087-1999 (seamless steel pipe for low and medium pressure boilers).
The Specification for industrial boilers and domestic boilers for conveying seamless steel tubes for low and medium pressure fluids.
The representative material is steel No. 10 and No. 20.
GB5310-1995 (seamless steel tubes for high pressure boilers).
The Specification for high temperature and high pressure conveying fluid gathering boxes and pipelines on power stations and nuclear power plant boilers. Representative materials are 20G, 12Cr1MoVG, 15CrMoG, etc.
GB5312-1999 (carbon steel and carbon-manganese steel seamless steel pipe for ships).
The Specification for Grade I and II pressure-resistant seamless steel tubes for ship boilers and superheaters.
Representative materials are 360, 410, 460 steel grades, etc.
GB1479-2000 (seamless steel pipe for high pressure fertilizer equipment).
The Specification for seamless steel pipes for conveying high temperature and high pressure fluids on fertilizer equipment.
Representative materials are 20, 16Mn, 12CrMo, 12Cr2Mo and the like.
GB9948-1988 (seamless steel pipe for petroleum cracking).
The Specification for boilers, heat exchangers and seamless pipes for conveying fluids in petroleum refineries.
The representative materials are 20, 12CrMo, 1Cr5Mo, 1Cr19Ni11Nb and the like.
GB18248-2000 (seamless steel pipe for gas cylinders).
The Specification for making seamless steel pipes for gas and hydraulic cylinders. The representative materials are 37Mn, 34Mn2V, 35CrMo, and the like.
GB/T17396-1998 (hot rolled seamless steel pipe for hydraulic props).
The Specification for making coal mine hydraulic supports and cylinders, columns, and other seamless steel tubes for hydraulic cylinders and columns.
Its representative materials are 20, 45, 27SiMn and the like.
GB3093-1986 (high pressure seamless steel pipe for diesel engines).
The Specification for seamless steel tubes for high pressure fuel lines in diesel injection systems.
The steel pipe is generally a cold drawn pipe, and its representative material is 20A.
GB/T3639-1983 (cold drawn or cold rolled precision seamless steel pipe).
The Specification for seamless steel tubes for mechanical structures and carbon pressure equipment that require high dimensional accuracy and good surface finish.
It stands for material 20, 45 steel and so on.
GB/T3094-1986 (cold drawn seamless steel pipe shaped steel pipe).
The Specification for making various structural parts and parts,
The Specification for making various structural parts and parts,
It is made of high quality carbon structural steel and low alloy structural steel.
GB/T8713-1988 (precision inner diameter seamless steel pipe for hydraulic and pneumatic cylinders).
The Specification for cold drawn or cold rolled seamless steel tubes with precision inner diameters for hydraulic and pneumatic cylinders. Its representative material is 20, 45 steel and so on.
GB13296-1991 (stainless steel seamless steel tubes for boilers and heat exchangers).
The Specification for high temperature, high pressure and corrosion resistant seamless steel tubes for boilers, superheaters, heat exchangers, condensers and catalytic tubes of chemical companies.
The representative materials are 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti and the like.
GB/T14975-1994 (stainless steel seamless steel pipe for structure).
The Specification for general structure (hotel, restaurant decoration) and seamless steel pipe for atmospheric, acid corrosion and strength with mechanical structure of chemical enterprises.
The representative materials are 0-3Cr13, 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti and the like.
GB/T14976-1994 (stainless steel seamless pipe for fluid transportation).
The Specification for seamless piping for conveying corrosive media.
Representative materials are 0Cr13, 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr17Ni12Mo2, 0Cr18Ni12Mo2Ti