Cangzhou Hongyun Steel Pipe Co.,Ltd 2015

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1. Spiral steel pipe

Product description:
Specifications:
Diameter: 159-3020mm wall thickness: 4 - 30mm
Material:
X42, X46, X52, X56, X60
Standard:
API 5L

Used in petroleum, natural gas transmission line pipe which is divided into two levels of PSL1 and ...

2. ERW Steel Pipe

Straight seam steel pipe is parallel to the longitudinal weld and steel pipe steel pipe.Usually divided into metric welded steel pipe, welding thin-walled tube, transformer cooling tubing.Longitudinal production process is simple, high efficiency, ...

3. Hot-rolled steel pipe

Hot-rolled as for cold-rolled, cold rolling below the recrystallization temperature, rolling and hot rolling is carried out above the recrystallization temperature.

Can destroy the organization of ingot casting, refining the grain of the ...

4. Seamless steel pipe

Details of the thick-walled seamless steel pipe

Thick-walled seamless steel pipe production manufacturing process can be divided into cold drawn, cold-rolled, hot-rolled, four basic ways of thermal expansion, pipe material is 10 #, 20 #, ...