1. The inspection and inspection of submerged arc steel pipes shall be carried out by the tech...
pipe fittings and cast pipe fittings Generally speaking, the mechanical properties of ...
1. Choose the right metal for your operating environment To determine which grade of ste...
steel pipes There are many other structural types of pipe f...
1. Uneven spiral wall thickness Causes: Uneven wall thickness of the piercing machine, u...
large-diameter steel pipes 1. Organize relevant operators to be famil...
S traight seam steel tube high-frequency induction ring should be as close as possible to the p...
1. Length measurement with grating ruler The basic principle is that two ...
Socket-Weld Flanges has a female socket in which pipe is fitted. Fillet welding is done from o...
steel pipe The first step is cleaning. The surface of the steel is cleaned with a clea...
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