Advantage: High precision, nice straightness and small allowance for honing. Minimum surface roughness. Inner roughness: 0.8μm

Main standards: DIN2391, EN10305-1, ASTM A 519

Main materials: ST45, ST52, 1026, E255, E355

Usage: for honing pipe, hydraulic cylinder, pneumatic cylinder

Delivery condition: stress relieved (BKS)

Straightness: 1/1000mm

Tensile strength: >=610MPa

Yield strength: >=500MPa

Elongation: >=15%

Inner diameter: 14 to 320 mm

Wall thickness: 2 to 32 mm

ID tolerance: according to customer's requirement, generally -0.3/0 or -0.5/-0.3mm

Zhejiang Dingxin Steel Tube Manufacturing Co., Ltd.

ISO9001, TS16949.

Lisa Hsu,

sales04[at]dingxintube[dot]cn

Mobile:+86-15669301195

Skype: lisa204299