After the oil casing adopts this heat treatment method, it can effectively improve the impact to...
1. The fixed-length spiral steel pipe may not be bundled. 2. If there are threaded buckles ...
1. Distinguish straight seam steel pipes according to the outer diameter The outer diameter be...
Construction characteristics of socket argon arc welding of thin-walled stainless steel pipe 1...
The performance and function of the original color straight seam steel pipe in the specific use ...
After stainless steel pipe fittings are processed by forming, welding and other processes, the m...
The simple and simple technological process for the production of spiral seam submerged arc welded...
Spiral steel pipes are mainly used in water supply engineering, the petrochemical industry, the ...
At present, there are two standards for 3PE anti-corrosion steel pipes , namely GB/T 23257-2009 a...
The quality inspection method for spiral steel pipe is as follows: 1 Judging from the surface,...
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