20mm seamless Steel Pipe

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20Mm seamless steel pipe sales
- Brand: zhongtian
- Supply Ability: 3000ton/day
- Min. Order: 20 Ton
- Model No.: 20Mm
- Place of Origin: china
The seamless steel pipe standard was first published in May 1998. This standard replaces GB/T17395-2008 "Seamless Steel Pipe Size, Shape, Weight and Allowable Deviation" This standard specifies the size, shape, weight and allowable deviation of seamless steel pipe. This standard is applicable to the selection of size,...

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15Cr1Mov seamless steel pipe sales
- Brand: zhongtian
- Supply Ability: 3000ton/day
- Min. Order: 20 Ton
- Model No.: 15Cr1Mov
- Place of Origin: china
The state in which large-diameter seamless steel pipes are formed by cold drawing, cold rolling and other cold working steel, and the state of direct delivery without any heat treatment is called cold drawing or cold rolling state. Compared with the hot rolled (forged) state, the cold drawn (rolled) state of steel has...

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Precision seamless steel pipe sales
- Brand: zhongtian
- Supply Ability: 3000ton/day
- Min. Order: 20 Ton
- Model No.: Precision
- Place of Origin: china
Large-diameter seamless steel pipe steel is no longer specially heat treated after hot rolling or forging, and is delivered directly after cooling, called hot rolling or hot forging state, the termination temperature of hot rolling (forging) is generally 800 ~ 900 °C, and then generally cooled naturally in the air, so...

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16Mn seamless steel pipe sales service
- Brand: zhongtian
- Supply Ability: 3000ton/day
- Min. Order: 20 Ton
- Model No.: 16Mn
- Place of Origin: china
Large-diameter seamless steel pipe steel is annealed heat treated before leaving the factory, and this delivery state is called annealed state. The purpose of annealing is mainly to eliminate and improve the structural defects and internal stress left by the previous process, and to prepare the structure and...

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