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Precise control from incoming materials to processing and product delivery

In the production process, the first article inspection, process inspection and delivery inspection procedures shall be strictly implemented.

2022-11-08
Oil Casing Pipe Heat Treatment Technology

After the oil casing pipe is heat treated,it can effectively improve the impact toughness,tensile strength,damage r...
2022-11-08
Where are the casings in the oil well

The oil pipe is the pipe that goes into the oil casing pipe of the oil well under normal production In the f...
2022-11-08
What are the effects of several main elements in steel on steel properties

Influence of several main elements in steel on its properties•Carbon(c):With the increase of carbon content,the...

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