Advantages: Nice surface and precision. Nice mechanical property. No deformation after cold bending, no crack after flaring and flattening.

Main Standards: GB/T3639, ASTM A519, DIN2391, EN10305-1.

Materials: 10, 20, 45#, Q345B (ST52), 25Mn (1026), 4130, 4140.

Outer diameter: 10 to 370 mm.

Wall thickness: 1 to 32 mm.

Delivery conditions: cold finished, annealed (bright), quenched and tempered.

Application: Used for engine, liner, underpin, camshaft, suspension and other parts of cars.

Zhejiang Dingxin Steel Tube Manufacturing Co., Ltd.

ISO9001, TS16949.

Lisa Hsu,

sales04[at]dingxintube[dot]cn

Mobile:+86-15669301195

Skype: lisa204299