【Stainless steel composite tube - steel tube relate】
Date:2009-9-20 11:27:43
Iron and steel pipe products as an important part of their manufacturing process and the use of tube is divided into different shapes and seamless pipe (round billet) and welded steel pipe (plate, with blanks) two broad categories.
(1) seamless steel pipe
Different because of their manufacturing process, is divided into hot-rolled (extrusion) and cold drawn seamless steel pipe (rolled) seamless steel pipe in two. Cold-drawn (rolled) pipe is divided into a circular tube and two kinds of special-shaped tube.
a. Process Overview
Hot Rolled (Seamless Steel Tube Extrusion): round tube piercing → heating → → three-roll rotary rolling, rolling or extrusion → → set off pipe diameter (or reducing) → cooling → → billet hydraulic tube straightening → test (or testing) → inbound → tag.
Cold-drawn (rolled) seamless steel pipe: round tube perforation → heating → head → → → pickling → Tu annealing oil (copper) → multi-pass cold drawing (cold) → billet straightening tube → heat treatment → → hydraulic pressure test (testing) → inbound → tag.
b. Seamless steel pipe, which uses a number of different species are divided into the following:
GB/T8162-1999 (seamless steel pipe structure). Mainly used in the general structure and mechanical structure. His representative material (grade): carbon steel steel 20,45; steel Q345, 20Cr, 40Cr, 20CrMo ,30-35CrMo, 42CrMo such.
GB/T8163-1999 (transmission fluid with seamless steel tubes). Mainly used in engineering and large-scale equipment on the transmission fluid pipeline. On behalf of Materials (Grade) as 20, Q345 and so on.
GB3087-1999 (Low and Medium Pressure Boiler Seamless Steel Tube). Mainly used in industrial boilers and boiler life in low-pressure fluid delivery pipeline. 10,20 representative of material for steel.
GB5310-1995 (High Pressure Boiler Seamless Steel Tube). Mainly used in power stations and nuclear power plant boiler high temperature, high pressure fluid transmission and header pipes. Representative of material for the 20G, 12Cr1MoVG, 15CrMoG and so on.
GB5312-1999 (the ship and carbon manganese steel with carbon steel seamless steel tubes). Mainly used in ship boilers and overheating transparencies I, II, etc. Pressure class. Representative of material for the steel grade, such as 360,410,460.
GB1479-2000 (high-pressure chemical fertilizer equipment, with seamless steel tubes). Mainly used in chemical fertilizer plants on high temperature and high pressure fluid delivery pipeline. Representative of material for the 20,16 Mn, 12CrMo, 12Cr2Mo such.
GB9948-1988 (seamless steel pipes oil cracking). Mainly used in petroleum refinery boilers, heat exchangers and pipes conveying fluid. Material for their representatives 20,12 CrMo, 1Cr5Mo, 1Cr19Ni11Nb and so on.
GB18248-2000 (cylinders with seamless steel tubes). Mainly used in the production of gas, hydraulic cylinders. His representative for the material 37Mn, 34Mn2V, 35CrMo such.
GB/T17396-1998 (hot-rolled seamless steel pipe with hydraulic prop). The main support for the production of coal and hydraulic cylinders, columns, and other hydraulic cylinders and columns. Their representatives and other materials for the 20,45,27 SiMn.
GB3093-1986 (diesel engine with high pressure seamless steel tubes). The main high-pressure injection system for diesel engine oil. Its generally cold-drawing steel tubes, his representative for the material 20A.
GB/T3639-1983 (Cold-drawn or cold-rolled precision seamless steel tube). Mainly used for mechanical structure, carbon pressure equipment requiring high dimensional accuracy, good surface finish steel. On behalf of steel material 20,45.
GB/T3094-1986 (cold drawn shaped seamless steel pipe steel pipe). Mainly used in the production of structural parts and components, the material for high-quality carbon structural steel and low alloy structural steel.
GB/T8713-1988 (hydraulic and pneumatic cylinder diameter seamless steel tubes with precision). Mainly used in the production of hydraulic and pneumatic cylinder with precision internal diameter with the size of cold-drawing or cold-rolled seamless steel pipe. 20,45 representative material for steel.
GB13296-1991 (boiler, heat exchanger with stainless steel seamless steel tubes). Mainly used in chemical industry, boiler, superheater, heat exchangers, condensers, catalytic tubes. Used in high temperature, high pressure, corrosion-resistant steel. His representative material for 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti and so on.
GB/T14975-1994 (structure stainless steel seamless pipe). Mainly used for general structures (hotels, restaurants decoration) and the chemical industry, the mechanical structure of the resistance with the atmosphere, and acid corrosion of the steel pipe has a certain intensity. His representative material for the 0-3Cr13, 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti and so on.
GB/T14976-1994 (fluid seamless steel pipe stainless steel). The main medium for the transmission pipeline corrosion. Representative of material for 0Cr13, 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr17Ni12Mo2, 0Cr18Ni12Mo2Ti and so on.
YB/T5035-1993 (automobile axle casing seamless steel pipes). Mainly used in the production of automobile axle casing and drive shaft Bridge shell effective quality carbon structural steel and alloy steel hot-rolled seamless steel tube structure. Material for their representatives 45,45 Mn2, 40Cr, 20CrNi3A and so on.
API SPEC5CT-1999 (casing and tubing specification), is the American Petroleum Institute (American Petreleum Instiute, referred to as "API") prepared and published all over the world in general. Of which: Casing: by drilling into the surface as the tube wall lining, the pipe connection between the coupling. The main material for the J55, N80, P110, such as steel grade, as well as hydrogen sulfide corrosion resistant C90, T95 class, such as steel. Low-grade steel (J55, N80) for the welded steel pipe. Pipeline: from the ground and the surface casing to insert the tube until the reservoir, the pipe or coupling between the overall connection. Its role was pumping oil through the pipeline will transport oil to the ground. The main material for the J55, N80, P110, as well as hydrogen sulfide corrosion resistant C90, T95 class, such as steel. Low-grade steel (J55, N80) for the welded steel pipe.
API SPEC 5L-2000 (Linepipe norms), is the American Petroleum Institute prepared and published around the world, Universal.
Linepipe: is a ground axis of oil, gas or water through the pipe line oil and gas transported to industrial enterprises. Pipeline including a seamless and welded pipe in two, its client-side are level with threaded client and client Socket; its end connections for welding, coupling connections, socket connections. The main material for the tube B, X42, X56, X65, X70 steel grade and so on.
(2) welded steel pipe
Welded steel pipe is used in steel or steel billets, which are divided into different welding process furnace pipe, welding (ERW) pipe and automatic arc welded. Welding because of their different forms of Longitudinal and spiral welded pipe is divided into two types. The end of their round shape is divided into welded and shaped (square, flat, etc.) pipe. Pipe material and the use of their differences in a number of species is divided into the following:
GB/T3091-1993 (low-voltage transmission fluid Galvanized welded steel pipe). Mainly used for conveying water, gas, air, oil and heating hot water or steam, such as generally low pressure fluid control and other uses. On behalf of class material Q235A steel.
GB/T3092-1993 (low-voltage transmission fluid Galvanized welded steel pipe). Mainly used for conveying water, gas, air, oil and heating hot water or steam, such as generally low pressure fluid control and other purposes. His representative for the material: Q235A-class steel.
GB/T14291-1992 (mine welded steel pipe with fluid). Mainly used in mine air pressure, drainage, gas release axle with straight seam welded steel pipe. His representative material Q235A, B-grade steel. GB/T14980-1994 (low-pressure fluid welding of large diameter steel pipe). Mainly used for conveying water, sewage, gas, air, steam heating and other low-pressure fluid and other uses. On behalf of class material Q235A steel.
GB/T12770-1991 (mechanical structure of welded steel pipe with stainless steel). Mainly used for machinery, automobiles, bicycles, furniture, hotel and restaurant decoration and other mechanical components and structures. Material on behalf of 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0Cr18Ni11Nb and so on.
GB/T12771-1991 (fluid welding stainless steel pipe). Mainly used for conveying corrosive medium low. Representative of material for 0Cr13, 0Cr19Ni9, 00Cr19Ni11, 00Cr17, 0Cr18Ni11Nb, 0017Cr17Ni14Mo2 and so on.
(1) seamless steel pipe
Different because of their manufacturing process, is divided into hot-rolled (extrusion) and cold drawn seamless steel pipe (rolled) seamless steel pipe in two. Cold-drawn (rolled) pipe is divided into a circular tube and two kinds of special-shaped tube.
a. Process Overview
Hot Rolled (Seamless Steel Tube Extrusion): round tube piercing → heating → → three-roll rotary rolling, rolling or extrusion → → set off pipe diameter (or reducing) → cooling → → billet hydraulic tube straightening → test (or testing) → inbound → tag.
Cold-drawn (rolled) seamless steel pipe: round tube perforation → heating → head → → → pickling → Tu annealing oil (copper) → multi-pass cold drawing (cold) → billet straightening tube → heat treatment → → hydraulic pressure test (testing) → inbound → tag.
b. Seamless steel pipe, which uses a number of different species are divided into the following:
GB/T8162-1999 (seamless steel pipe structure). Mainly used in the general structure and mechanical structure. His representative material (grade): carbon steel steel 20,45; steel Q345, 20Cr, 40Cr, 20CrMo ,30-35CrMo, 42CrMo such.
GB/T8163-1999 (transmission fluid with seamless steel tubes). Mainly used in engineering and large-scale equipment on the transmission fluid pipeline. On behalf of Materials (Grade) as 20, Q345 and so on.
GB3087-1999 (Low and Medium Pressure Boiler Seamless Steel Tube). Mainly used in industrial boilers and boiler life in low-pressure fluid delivery pipeline. 10,20 representative of material for steel.
GB5310-1995 (High Pressure Boiler Seamless Steel Tube). Mainly used in power stations and nuclear power plant boiler high temperature, high pressure fluid transmission and header pipes. Representative of material for the 20G, 12Cr1MoVG, 15CrMoG and so on.
GB5312-1999 (the ship and carbon manganese steel with carbon steel seamless steel tubes). Mainly used in ship boilers and overheating transparencies I, II, etc. Pressure class. Representative of material for the steel grade, such as 360,410,460.
GB1479-2000 (high-pressure chemical fertilizer equipment, with seamless steel tubes). Mainly used in chemical fertilizer plants on high temperature and high pressure fluid delivery pipeline. Representative of material for the 20,16 Mn, 12CrMo, 12Cr2Mo such.
GB9948-1988 (seamless steel pipes oil cracking). Mainly used in petroleum refinery boilers, heat exchangers and pipes conveying fluid. Material for their representatives 20,12 CrMo, 1Cr5Mo, 1Cr19Ni11Nb and so on.
GB18248-2000 (cylinders with seamless steel tubes). Mainly used in the production of gas, hydraulic cylinders. His representative for the material 37Mn, 34Mn2V, 35CrMo such.
GB/T17396-1998 (hot-rolled seamless steel pipe with hydraulic prop). The main support for the production of coal and hydraulic cylinders, columns, and other hydraulic cylinders and columns. Their representatives and other materials for the 20,45,27 SiMn.
GB3093-1986 (diesel engine with high pressure seamless steel tubes). The main high-pressure injection system for diesel engine oil. Its generally cold-drawing steel tubes, his representative for the material 20A.
GB/T3639-1983 (Cold-drawn or cold-rolled precision seamless steel tube). Mainly used for mechanical structure, carbon pressure equipment requiring high dimensional accuracy, good surface finish steel. On behalf of steel material 20,45.
GB/T3094-1986 (cold drawn shaped seamless steel pipe steel pipe). Mainly used in the production of structural parts and components, the material for high-quality carbon structural steel and low alloy structural steel.
GB/T8713-1988 (hydraulic and pneumatic cylinder diameter seamless steel tubes with precision). Mainly used in the production of hydraulic and pneumatic cylinder with precision internal diameter with the size of cold-drawing or cold-rolled seamless steel pipe. 20,45 representative material for steel.
GB13296-1991 (boiler, heat exchanger with stainless steel seamless steel tubes). Mainly used in chemical industry, boiler, superheater, heat exchangers, condensers, catalytic tubes. Used in high temperature, high pressure, corrosion-resistant steel. His representative material for 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti and so on.
GB/T14975-1994 (structure stainless steel seamless pipe). Mainly used for general structures (hotels, restaurants decoration) and the chemical industry, the mechanical structure of the resistance with the atmosphere, and acid corrosion of the steel pipe has a certain intensity. His representative material for the 0-3Cr13, 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti and so on.
GB/T14976-1994 (fluid seamless steel pipe stainless steel). The main medium for the transmission pipeline corrosion. Representative of material for 0Cr13, 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr17Ni12Mo2, 0Cr18Ni12Mo2Ti and so on.
YB/T5035-1993 (automobile axle casing seamless steel pipes). Mainly used in the production of automobile axle casing and drive shaft Bridge shell effective quality carbon structural steel and alloy steel hot-rolled seamless steel tube structure. Material for their representatives 45,45 Mn2, 40Cr, 20CrNi3A and so on.
API SPEC5CT-1999 (casing and tubing specification), is the American Petroleum Institute (American Petreleum Instiute, referred to as "API") prepared and published all over the world in general. Of which: Casing: by drilling into the surface as the tube wall lining, the pipe connection between the coupling. The main material for the J55, N80, P110, such as steel grade, as well as hydrogen sulfide corrosion resistant C90, T95 class, such as steel. Low-grade steel (J55, N80) for the welded steel pipe. Pipeline: from the ground and the surface casing to insert the tube until the reservoir, the pipe or coupling between the overall connection. Its role was pumping oil through the pipeline will transport oil to the ground. The main material for the J55, N80, P110, as well as hydrogen sulfide corrosion resistant C90, T95 class, such as steel. Low-grade steel (J55, N80) for the welded steel pipe.
API SPEC 5L-2000 (Linepipe norms), is the American Petroleum Institute prepared and published around the world, Universal.
Linepipe: is a ground axis of oil, gas or water through the pipe line oil and gas transported to industrial enterprises. Pipeline including a seamless and welded pipe in two, its client-side are level with threaded client and client Socket; its end connections for welding, coupling connections, socket connections. The main material for the tube B, X42, X56, X65, X70 steel grade and so on.
(2) welded steel pipe
Welded steel pipe is used in steel or steel billets, which are divided into different welding process furnace pipe, welding (ERW) pipe and automatic arc welded. Welding because of their different forms of Longitudinal and spiral welded pipe is divided into two types. The end of their round shape is divided into welded and shaped (square, flat, etc.) pipe. Pipe material and the use of their differences in a number of species is divided into the following:
GB/T3091-1993 (low-voltage transmission fluid Galvanized welded steel pipe). Mainly used for conveying water, gas, air, oil and heating hot water or steam, such as generally low pressure fluid control and other uses. On behalf of class material Q235A steel.
GB/T3092-1993 (low-voltage transmission fluid Galvanized welded steel pipe). Mainly used for conveying water, gas, air, oil and heating hot water or steam, such as generally low pressure fluid control and other purposes. His representative for the material: Q235A-class steel.
GB/T14291-1992 (mine welded steel pipe with fluid). Mainly used in mine air pressure, drainage, gas release axle with straight seam welded steel pipe. His representative material Q235A, B-grade steel. GB/T14980-1994 (low-pressure fluid welding of large diameter steel pipe). Mainly used for conveying water, sewage, gas, air, steam heating and other low-pressure fluid and other uses. On behalf of class material Q235A steel.
GB/T12770-1991 (mechanical structure of welded steel pipe with stainless steel). Mainly used for machinery, automobiles, bicycles, furniture, hotel and restaurant decoration and other mechanical components and structures. Material on behalf of 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0Cr18Ni11Nb and so on.
GB/T12771-1991 (fluid welding stainless steel pipe). Mainly used for conveying corrosive medium low. Representative of material for 0Cr13, 0Cr19Ni9, 00Cr19Ni11, 00Cr17, 0Cr18Ni11Nb, 0017Cr17Ni14Mo2 and so on.
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