DIN 1630 ST37.4 seamless steel pipe is defined as: a steel pipe made of a single piece of metal without seams on the surface. According to the production method, seamless pipes are divided into hot rolled pipes, cold rolled pipes, cold drawn pipes, extrud

In order to avoid the scarring defect in the hot continuous rolling DIN 1630 ST37.4 seamless steel pipe, first learn to use the deoxidizer, the oxide must be in a molten state when the core rod is pre-pierced. Its DIN 1630 ST37.4 seamless steel pipe stren

First, the site or warehouse where DIN 1630 ST44.4 seamless steel pipe is stored should be in a clean place with unobstructed drainage, away from factories and mines that produce harmful gases or dust. Weeds and all debris should be removed on the field,

DIN 1630 ST52.4 seamless steel pipes are high-quality carbon structural steels with low hardness and easy cutting processing. They are commonly used as templates, tips, and guide posts in molds, but they require heat treatment. DIN 1630 ST52.4 The seamles