1 thought on “Introduction to P11 alloy steel pipe”
Jana
At present, my country’s P11 alloy steel pipe consumption accounts for only half of the total steel for steel. The expansion of P11 alloy steel pipe use is expanded to provide a broader space for the development of the industry. According to the research of the China Special Steel Association’s P11 Alloy Steel Pipe Branch, the demand for the long-voltage P11 alloy steel pipes in my country in the future can grow up to 10-12%of the annual growth. 1. Seamless steel pipes The is divided into two types: hot rolling (squeezing) seamless steel pipes and cold pipes (rolled) seamless steel pipes due to their different manufacturing processes. Cold pull (rolled) tube is divided into two types: circular tube and alien tube. Hot rolling (squeezing seamless steel pipe): round tube blank → heating → perforation → three -rolling rolling rolling, continuous rolling or squeezing → deserture → fixed diameter (or decrease) → cooling → straight → water pressure → water pressure Test (or detecting) → mark → enter the warehouse. This cold pull (rolled) seamless steel pipe: round tube blank → heating → perforation → head -off → pickling → oil (copper plating) → multiple cold pull -up (cold rolling) → heat treatment → heat treatment → straight → hydraulic test (exploring) → mark → enter the warehouse. GB/T8162-2008 (seamless steel pipe). It is mainly used for general structure and mechanical structure. Its representative material (card): carbon steel 20 and 45 steel; alloy steel Q345, 20CR, 40CR, 20CRMO, 30-35CRMO, 42CRMO, etc. gb/T8163-2008 (seamless steel pipe for transportation). Mainly used to transport fluid pipes on engineering and large equipment. Representative materials (cards) are 20, Q345, etc. gb3087-2008 (seamless steel pipe for low-mid-pressure boiler). It is mainly used for the pipelines of industrial boilers and life boilers to transport low -medium pressure fluids. The material is No. 10 and 20 steel. gb5310-2008 (seamless steel pipe for high-pressure boiler). It is mainly used for high -temperature and high -voltage conveying fluids and pipelines on the boiler of power stations and nuclear power stations. The material is 20g, 12Cr1movg, 15CRMOG, etc. gb5312-1999 (seamless steel pipe for carbon steel and carbon and manganese steel for ships). It is mainly used for the I, II -level pressure resistance tubes of the ship boiler and the heat device. The material is 360, 410, 460 steel, etc. gb6479-2000 (seamless steel pipe). It is mainly used to transport high -temperature and high -pressure fluid pipes on the fertilizer equipment. The material is 20, 16MN, 12CRMO, 12CR2MO, etc. gb9948-2006 (seamless steel pipe). It is mainly used for the boiler, heat exchanger and its transportation pipeline of the oil smelter. Its representative materials are 20, 12CRMO, 1Cr5mo, etc. gb18248-2000 (seamless steel pipe for gas cylinders). It is mainly used to make various gas and hydraulic gas cylinders. Its representative material is 37mn, 34mn2V, 35CRMO, etc. gb/T17396-1998 (seamless steel pipe with hot rolling pillars). It is mainly used to make coal mine hydraulic stents, cylinders, columns, and other hydraulic cylinders and columns. Its representative material is 20, 45, 27simn, etc. gb3093-1986 (high-pressure seamless steel pipe for diesel engine). It is mainly used for high -pressure oil pipes for diesel engine jet systems. Its steel pipe is generally cold pipe and its representative material is 20A. gb/T3639-1983 (cold or cold-rolled precision seamless steel pipe). It is mainly used for mechanical structure, carbon pressure equipment, and steel pipes with high size accuracy and good surface smoothness. It represents material 20, 45 steel, etc. gb/T3094-1986 (cold pull seamless steel pipe alien steel pipe). It is mainly used to make various structural components and parts, and its material is high -quality carbon structure steel and low alloy structure steel. gb/T8713-1988 It is mainly used to make cold or cold -rolled seamless steel pipes with precision inner diameter size for hydraulic and pneumatic cylinders. Its representative material is 20, 45 steel, etc. gb13296-1991 It is mainly used for boilers, heat exchangers, condenser, catalytic pipes, etc. of chemical enterprises. High temperature, high pressure, corrosion -resistant steel pipes used. Its representative material is 0CR18NI9 …. gb/T14975-1994 (seamless steel pipe for stainless steel). It is mainly used for the resistance, acid corrosion of the general structure (hotel, hotel decoration) and the mechanical structure of chemical enterprises, and have a certain intensity steel pipe. Its representative material is 0-3Cr13, 0CR18NI9, etc. gb/T14976-1994 (seamless steel pipe for stainless steel for fluid transport). It is mainly used to transport pipelines for corrosive media. The material is 0CR13, 0CR18NI9, etc. yb/T5035-1993 It is mainly used to make high -quality carbon structural steel and alloy structure steel hot -rolled steel pipes for the high -quality carbon structural steel and alloy structure for driving bridge shells. Its representative materials are 45, 45MN2, 40Cr, 20CRNI3A, etc. API SPEC5CT-1999 (sleeve and oil pipe specifications), which is a commonly used in the United States to be compiled and published by the American Petreleum Instirete (API). Among them: sleeve: extend from the ground surface into the drilling, as the tube lined by the well, the tube is connected by the hoop. The main materials are steel grades such as J55, N80, P110, as well as C90 and T95 such as C90 and T95 corroded by sulfide. Its low steel grade (J55, N80) can be welded steel pipes. Oil pipe: inserted into the pipe of the pipe from the surface of the ground to the tube of the oil layer. The effect was so the oil pumping machine transported the oil layer oil to the ground through the oil pipe. The main materials are J55, N80, P110, and C90, which are corroded by hydrogen sulfide, and the United States Petroleum Institute is compiled and published in the world. Over the years, Tianjin Century Haihui Steel Sales Co., Ltd. mainly focuses on large seamless steel pipe factory and dual -terrace steel pipe factory. It has established a solid direct sales agency relationship with major manufacturers such as Henggang Baosteel Chenggang Steel Sangang Baogang Steel. At the same time, in foreign countries, well -known manufacturers such as Japan (Kawasaki Iron and Steel) Germany (Mansman) have a good (supply) cooperative relationship. It has become a large-scale production and dealer in China: low-alloy pipes (16MN Q345B, C, D, E, 27SIMN) high-pressure boiler tube (20G GB5310-2008) Imported high-pressure tube (ST45.8-III SA-106B SA-210C DIN17175-79）国产合金管（12Cr1MoV、15CrMo 10CrMo910 Cr5Mo T91 P91 钢研102 P22（10CrMo910） WB36 35CrMo P11合金管）进口合金管（A335P12 STFA22 A335P22 STFA24 A335P11 A335P5 A335P91（T91） STFA25 WB36（）化肥专用管GB6479 -2000 oil cracking tube GB9948-2006 Petroleum sleeve J55/K55 N80-1 N80 (Q) L80 C90 low-pressure boiler tube GB3087-2008 conveyor fluid pipe GB8163-2008 structure GB8162-2008 ship special pipe GB5312-99 stainless steel pipe 304 304L 321 321L 347H 316L 317L, inventory of more than 10,000 tons. Tianjin Century Haihui Steel establishes a good market with quality and reputation. Welcome new and old customers to negotiate. *Wall thickness]*0.02466 = kg/meter (weight per meter)
At present, my country’s P11 alloy steel pipe consumption accounts for only half of the total steel for steel. The expansion of P11 alloy steel pipe use is expanded to provide a broader space for the development of the industry. According to the research of the China Special Steel Association’s P11 Alloy Steel Pipe Branch, the demand for the long-voltage P11 alloy steel pipes in my country in the future can grow up to 10-12%of the annual growth.
1. Seamless steel pipes
The is divided into two types: hot rolling (squeezing) seamless steel pipes and cold pipes (rolled) seamless steel pipes due to their different manufacturing processes. Cold pull (rolled) tube is divided into two types: circular tube and alien tube. Hot rolling (squeezing seamless steel pipe): round tube blank → heating → perforation → three -rolling rolling rolling, continuous rolling or squeezing → deserture → fixed diameter (or decrease) → cooling → straight → water pressure → water pressure Test (or detecting) → mark → enter the warehouse.
This cold pull (rolled) seamless steel pipe: round tube blank → heating → perforation → head -off → pickling → oil (copper plating) → multiple cold pull -up (cold rolling) → heat treatment → heat treatment → straight → hydraulic test (exploring) → mark → enter the warehouse. GB/T8162-2008 (seamless steel pipe). It is mainly used for general structure and mechanical structure. Its representative material (card): carbon steel 20 and 45 steel; alloy steel Q345, 20CR, 40CR, 20CRMO, 30-35CRMO, 42CRMO, etc.
gb/T8163-2008 (seamless steel pipe for transportation). Mainly used to transport fluid pipes on engineering and large equipment. Representative materials (cards) are 20, Q345, etc.
gb3087-2008 (seamless steel pipe for low-mid-pressure boiler). It is mainly used for the pipelines of industrial boilers and life boilers to transport low -medium pressure fluids. The material is No. 10 and 20 steel.
gb5310-2008 (seamless steel pipe for high-pressure boiler). It is mainly used for high -temperature and high -voltage conveying fluids and pipelines on the boiler of power stations and nuclear power stations. The material is 20g, 12Cr1movg, 15CRMOG, etc.
gb5312-1999 (seamless steel pipe for carbon steel and carbon and manganese steel for ships). It is mainly used for the I, II -level pressure resistance tubes of the ship boiler and the heat device. The material is 360, 410, 460 steel, etc.
gb6479-2000 (seamless steel pipe). It is mainly used to transport high -temperature and high -pressure fluid pipes on the fertilizer equipment. The material is 20, 16MN, 12CRMO, 12CR2MO, etc.
gb9948-2006 (seamless steel pipe). It is mainly used for the boiler, heat exchanger and its transportation pipeline of the oil smelter. Its representative materials are 20, 12CRMO, 1Cr5mo, etc.
gb18248-2000 (seamless steel pipe for gas cylinders). It is mainly used to make various gas and hydraulic gas cylinders. Its representative material is 37mn, 34mn2V, 35CRMO, etc.
gb/T17396-1998 (seamless steel pipe with hot rolling pillars). It is mainly used to make coal mine hydraulic stents, cylinders, columns, and other hydraulic cylinders and columns. Its representative material is 20, 45, 27simn, etc.
gb3093-1986 (high-pressure seamless steel pipe for diesel engine). It is mainly used for high -pressure oil pipes for diesel engine jet systems. Its steel pipe is generally cold pipe and its representative material is 20A.
gb/T3639-1983 (cold or cold-rolled precision seamless steel pipe). It is mainly used for mechanical structure, carbon pressure equipment, and steel pipes with high size accuracy and good surface smoothness. It represents material 20, 45 steel, etc.
gb/T3094-1986 (cold pull seamless steel pipe alien steel pipe). It is mainly used to make various structural components and parts, and its material is high -quality carbon structure steel and low alloy structure steel.
gb/T8713-1988 It is mainly used to make cold or cold -rolled seamless steel pipes with precision inner diameter size for hydraulic and pneumatic cylinders. Its representative material is 20, 45 steel, etc.
gb13296-1991 It is mainly used for boilers, heat exchangers, condenser, catalytic pipes, etc. of chemical enterprises. High temperature, high pressure, corrosion -resistant steel pipes used. Its representative material is 0CR18NI9 ….
gb/T14975-1994 (seamless steel pipe for stainless steel). It is mainly used for the resistance, acid corrosion of the general structure (hotel, hotel decoration) and the mechanical structure of chemical enterprises, and have a certain intensity steel pipe. Its representative material is 0-3Cr13, 0CR18NI9, etc.
gb/T14976-1994 (seamless steel pipe for stainless steel for fluid transport). It is mainly used to transport pipelines for corrosive media. The material is 0CR13, 0CR18NI9, etc.
yb/T5035-1993 It is mainly used to make high -quality carbon structural steel and alloy structure steel hot -rolled steel pipes for the high -quality carbon structural steel and alloy structure for driving bridge shells. Its representative materials are 45, 45MN2, 40Cr, 20CRNI3A, etc.
API SPEC5CT-1999 (sleeve and oil pipe specifications), which is a commonly used in the United States to be compiled and published by the American Petreleum Instirete (API). Among them: sleeve: extend from the ground surface into the drilling, as the tube lined by the well, the tube is connected by the hoop. The main materials are steel grades such as J55, N80, P110, as well as C90 and T95 such as C90 and T95 corroded by sulfide. Its low steel grade (J55, N80) can be welded steel pipes. Oil pipe: inserted into the pipe of the pipe from the surface of the ground to the tube of the oil layer. The effect was so the oil pumping machine transported the oil layer oil to the ground through the oil pipe. The main materials are J55, N80, P110, and C90, which are corroded by hydrogen sulfide, and the United States Petroleum Institute is compiled and published in the world.
Over the years, Tianjin Century Haihui Steel Sales Co., Ltd. mainly focuses on large seamless steel pipe factory and dual -terrace steel pipe factory. It has established a solid direct sales agency relationship with major manufacturers such as Henggang Baosteel Chenggang Steel Sangang Baogang Steel. At the same time, in foreign countries, well -known manufacturers such as Japan (Kawasaki Iron and Steel) Germany (Mansman) have a good (supply) cooperative relationship. It has become a large-scale production and dealer in China: low-alloy pipes (16MN Q345B, C, D, E, 27SIMN) high-pressure boiler tube (20G GB5310-2008) Imported high-pressure tube (ST45.8-III SA-106B SA-210C DIN17175-79）国产合金管（12Cr1MoV、15CrMo 10CrMo910 Cr5Mo T91 P91 钢研102 P22（10CrMo910） WB36 35CrMo P11合金管）进口合金管（A335P12 STFA22 A335P22 STFA24 A335P11 A335P5 A335P91（T91） STFA25 WB36（）化肥专用管GB6479 -2000 oil cracking tube GB9948-2006 Petroleum sleeve J55/K55 N80-1 N80 (Q) L80 C90 low-pressure boiler tube GB3087-2008 conveyor fluid pipe GB8163-2008 structure GB8162-2008 ship special pipe GB5312-99 stainless steel pipe 304 304L 321 321L 347H 316L 317L, inventory of more than 10,000 tons. Tianjin Century Haihui Steel establishes a good market with quality and reputation. Welcome new and old customers to negotiate. *Wall thickness]*0.02466 = kg/meter (weight per meter)