precision steel tube

Standard:EN10305, Din2391

Steel grade:St34.2, St35, St37, St45, St52,E215,E235,E355

Features:

1) Outside diameter: 5 - 89mm
2) Wall thickness: 0.5 - 15mm

Our suppliers: Shanghai Bao steel Group; Jiangyiin Xinchen Special Steel Co., Ltd.

We manufacture three surface conditions:

A. pickling

B. surface color black, totally no scale , heated treated in the controled atmosphere with Nitrogen .

C. surface color bright, totally no scale.

,