Chongqing No. 35 seamless steel pipe knowledge
No.35 seamless steel pipe is made of perforated steel pipe or solid billet, and then made by hot rolling, cold rolling or cold drawing. 35 Seamless steel is a material in steel, which is a high quality carbon structural steel. A large number of mold production companies will use it for mold steel use. 35 seamless steel pipe has an important position in China's steel pipe industry. According to incomplete statistics, there are about 240 seamless steel tube manufacturers in China, and about 250 seamless steel tube units, with an annual production capacity of about 4.5 million tons. From the point of view, <φ76, accounting for 35%, <φ159-650, accounting for 25%. From the perspective of varieties, general-purpose pipes are 1.9 million tons, accounting for 54%; petroleum pipes are 760,000 tons, accounting for 5.7%; hydraulic props and precision pipes are 150,000 tons, accounting for 4.3%; stainless pipes, bearing pipes, and automobile pipes total 50,000 Ton, accounting for 1.4%.
35 seamless steel pipe implementation standards
1. Seamless steel pipe for structural use: GB8162-2008 2. Joint pipe for conveying fluid: GB8163-20083, seamless steel pipe for boiler: GB3087-2008 4. High pressure seamless pipe for boiler: GB5310-2008 (ST45.8-III Type) 5. High pressure seamless steel pipe for chemical fertilizer equipment: GB6479-1999 6. Seamless steel pipe for geological drilling: YB235-70 7. Seamless steel pipe for oil drilling: YB528-65 8. Seamless steel pipe for oil cracking: GB9948- 88 9. Seamless pipe for petroleum drilling boring: YB691-70 10. Seamless steel pipe for automobile half shaft: GB3088-1999 11. Seamless steel pipe for ship: GB5312-1999 12. Cold drawn precision seamless steel pipe: GB3639 - 1999 13, a variety of alloy pipe 16Mn, 27SiMn, 15CrMo, 35CrMo, 12CrMov, 20G, 40Cr, 12Cr1MoV, 15CrMo In addition, there are GB/T17396-1998 (hydraulic pillar with hot-rolled seamless steel pipe), GB3093-1986 (diesel High pressure seamless steel pipe), GB/T3639-1983 (cold drawn or cold rolled precision seamless steel pipe), GB/T3094-1986 (cold drawn seamless steel pipe shaped steel pipe), GB/T8713-1988 (hydraulic and pneumatic cylinders Precision inner diameter seamless steel pipe) GB13296-1991 (boiler and heat exchanger stainless steel seamless steel pipe) GB/T14975-1994 (stainless steel seamless steel pipe for structural use), GB/T14976-1994 (stainless steel seamless steel pipe for fluid transport) GB/T5035-1993 (seamless steel pipe for automotive half-axle casing), API SPEC5CT-1999 (set Pipes and tubing specifications) etc. Seamless steel pipe weight calculation formula: & # 91; (outer diameter - wall thickness) * wall thickness ] * 0.02466 = kg / meter (weight per meter)
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No.35 seamless steel pipe is made of perforated steel pipe or solid billet, and then made by hot rolling, cold rolling or cold drawing. 35 Seamless steel is a material in steel, which is a high quality carbon structural steel. A large number of mold production companies will use it for mold steel use. 35 seamless steel pipe has an important position in China's steel pipe industry. According to incomplete statistics, there are about 240 seamless steel tube manufacturers in China, and about 250 seamless steel tube units, with an annual production capacity of about 4.5 million tons. From the point of view, <φ76, accounting for 35%, <φ159-650, accounting for 25%. From the perspective of varieties, general-purpose pipes are 1.9 million tons, accounting for 54%; petroleum pipes are 760,000 tons, accounting for 5.7%; hydraulic props and precision pipes are 150,000 tons, accounting for 4.3%; stainless pipes, bearing pipes, and automobile pipes total 50,000 Ton, accounting for 1.4%.
35 seamless steel pipe implementation standards
1. Seamless steel pipe for structural use: GB8162-2008 2. Joint pipe for conveying fluid: GB8163-20083, seamless steel pipe for boiler: GB3087-2008 4. High pressure seamless pipe for boiler: GB5310-2008 (ST45.8-III Type) 5. High pressure seamless steel pipe for chemical fertilizer equipment: GB6479-1999 6. Seamless steel pipe for geological drilling: YB235-70 7. Seamless steel pipe for oil drilling: YB528-65 8. Seamless steel pipe for oil cracking: GB9948- 88 9. Seamless pipe for petroleum drilling boring: YB691-70 10. Seamless steel pipe for automobile half shaft: GB3088-1999 11. Seamless steel pipe for ship: GB5312-1999 12. Cold drawn precision seamless steel pipe: GB3639 - 1999 13, a variety of alloy pipe 16Mn, 27SiMn, 15CrMo, 35CrMo, 12CrMov, 20G, 40Cr, 12Cr1MoV, 15CrMo In addition, there are GB/T17396-1998 (hydraulic pillar with hot-rolled seamless steel pipe), GB3093-1986 (diesel High pressure seamless steel pipe), GB/T3639-1983 (cold drawn or cold rolled precision seamless steel pipe), GB/T3094-1986 (cold drawn seamless steel pipe shaped steel pipe), GB/T8713-1988 (hydraulic and pneumatic cylinders Precision inner diameter seamless steel pipe) GB13296-1991 (boiler and heat exchanger stainless steel seamless steel pipe) GB/T14975-1994 (stainless steel seamless steel pipe for structural use), GB/T14976-1994 (stainless steel seamless steel pipe for fluid transport) GB/T5035-1993 (seamless steel pipe for automotive half-axle casing), API SPEC5CT-1999 (set Pipes and tubing specifications) etc. Seamless steel pipe weight calculation formula: & # 91; (outer diameter - wall thickness) * wall thickness ] * 0.02466 = kg / meter (weight per meter)
Learn more about seamless steel pipe knowledge: http://?sortid=3
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