Thick-walled Seamless Steel Pipe

July 25, 2022

The production and manufacturing process of thick-walled seamless steel pipes can be divided into four basic methods: cold drawing, cold rolling, hot rolling, and thermal expansion. The use is divided into seamless steel pipes for structure; seamless steel pipes for transportation; seamless steel pipes for boilers; high-pressure seamless steel pipes for boilers; high-pressure seamless steel pipes for fertilizer equipment; seamless steel pipes for geological drilling; seamless steel pipes for oil drilling; Seamless steel pipes for petroleum cracking; seamless steel pipes for ships; cold-drawn cold-rolled precision seamless steel pipes; various alloy pipes. The representation method of seamless steel pipe is outer diameter, wall thickness, and thick-walled seamless steel pipe is mainly used for machining, coal mine, hydraulic steel, and other purposes.

Common materials in China are: 10#, 20#, 45#, 42crmo, 36CrMo, 40Cr, 20Cr, 15CrMo, 12Cr1Mov, Q235A, Q235B, 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0Cr18Ni11Nb, Q345A, Q345B, Q345C, L245, L290, X42, X46, X70, X80.

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