Alloy Steel Seamless Pipe For Geological Drilling ASTM A519 SAE4130

Advantages: Produced for drilling with uniform wall-thickness, wall thickness deviation +/-5%. High dimensional accuracy and nice straightness, straightness 0.3-1/1000mm or 0.5/1000mm. Reliable performance (including hardness) and nice torsion-resistant.

Main standards: ASTM A519, DIN.

Main materials: 4130, 4135, 4140, 30CrMo, 35CrMo, 42CrMo, 34CrMo4.
O.D. 30 to 127mm,

W.T. 5 to 13mm

For QT condition:

Tensile strength>=1030Mpa,

Yield strength: >=950Mpa,

Elongation: >=13%,

HRC 30 to 32.

Zhejiang Dingxin Steel Tube Manufacturing Co., Ltd.

ISO9001, TS16949.

Contact person: Lisa Hsu,

sales04[at]dingxintube[dot]cn

Mobile:+86-15669301195

Skype: lisa204299

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