Advantages: Precision inside diameter. Nice mechanical property are able to withstand high pressure impacting. Nice straightness, minimum surface roughness and small wall thickness deviation.

Standards: DIN 2391, EN 10305-1.

Materials: 1020, 1026, 1045, ST45, ST52, E255 and E355.

Delivery condition: cold finish (BK).

Inner roughness: <=0.8%Ra.

Inner diameter: 14 to 320 mm.

Wall thickness: 2 to 32 mm.

Usage: Hydraulic jack, hydraulic cylinder, etc.

Zhejiang Dingxin Steel Tube Manufacturing Co., Ltd.

ISO9001, TS16949.

Lisa Hsu,

sales04[at]dingxintube[dot]cn

Mobile:+86-15669301195

Skype: lisa204299