Product News
- What’s the seamless steel pipes madeHow to seamless steel pipes made? Before answer this question we should answer anther question firstly. Is the seamless steel pipe normalization products? What’s the standard of steel pipes? Steel tube is a normalization products which containing Chinese Standard GB/T 3639-2008, GB/T 1862, GB/T 1863Product News October 25, 2017
- DIN2391/EN10305-1 Seamless Precision Cold Drawn or Cold Rolled Steel PipesDIN2391 Standard of seamless precision cold drawn or cold rolled steel pipes is similar as the standard EN10305-1. It is wildly used in motor front and rear shock absorber. And automobile parts, gas spring of furniture, machine parts, oil system tubes and so on. The standard technical delivery condiProduct News October 25, 2017