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The production processes for general seamless steel pipes can be divided into two types: cold drawing and hot rolling. Typically, the production process for cold-rolled seamless steel pipes is more complex than that of hot-rolled ones. First, the billet undergoes three-roll continuous rolling, and after extrusion, it is subjected to dimensional inspection.

What is the production process for thick-walled seamless steel pipes?

2025-09-07

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