Complete annealing process for seamless steel tubes
The seamless annealing of the seamless steel pipe is to heat the hypo-eutectoid steel to 30~50 °C above the Ac3 … Read more
The seamless annealing of the seamless steel pipe is to heat the hypo-eutectoid steel to 30~50 °C above the Ac3 … Read more
The high-frequency erw steel pipe is different from the ordinary welded pipe welding process. The weld bead is melted from … Read more
Hot-rolled seamless steel pipe is divided into general steel pipe, low and medium pressure boiler seamless steel pipe, high pressure … Read more
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Precision seamless steel pipes expansion coefficient is a method of inspection that can be applied to the joint gap of the annealing furnace … Read more
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