Новости отрасли-Сталь чжи сан-Сталь чжи сан

Dec 16, 2022

Grade representation

Common Japanese steel grades for general and mechanical structural steel1, Japanese steel (JIS series) in the ordinary structural steel grade consists of three ···

Новости отрасли

Dec 16, 2022

Practical Knowledge About Profiles

1、Classification of profiles① Square steel – hot-rolled square steel, cold drawn square steel.② Round steel – hot-rolled round steel, forged round steel, c···

Новости отрасли

Dec 16, 2022

Commonly used metal material grade representation (III)

Alloy structural steel and alloy spring steel grades are expressed–Alloy structural steel grades using Arabic numerals and standard chemical element symbolsTwo···

Новости отрасли

Dec 16, 2022

Commonly Used Metal Material Grade Representation (IV)

Tool Steel GradesTool steel is divided into three categories: carbon tool steel, alloy tool steel, and high-speed tool steel.–Carbon tool steels are expressed ···

Новости отрасли

Dec 16, 2022

Practical Knowledge About Tubing

The classification of the pipe1, according to the production method classification(1) seamless pipe – hot-rolled pipe, cold-rolled pipe, cold-drawn pipe, extru···

Новости отрасли