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Key Specifications/Special Features
Produced for drilling with uniform wall-thickness
High dimensional accuracy and nice straightness
Reliable performance (including hardness) and nicetorsion-resistant
Widely used in geological drilling rod and core material
Zhejiang Dingxin Steel Tube Manufacturing Co., Ltd. is specialized in the supply of cold-drawn and cold-rolled precision seamless steel tubes.
Advantages: wall thickness deviation ±5%
High precision
Straightness 1/1000mm or 0.5/1000mm
For QT condition, tensile strength>=1030Mpa
Yield strength: >=950Mpa
Elongation: >=13% , HRC 30 to 32
Size range:
Outer diameter: Ø30 to 127mm, WT 5 to 13mm3
Main standards: ASTM A519
Main materials: 4130, 4135 and 4140
Delivery condition: quenched and tempered (heat-treatment) stress relieved
Product Details
Main Export Markets:
North America
Western Europe
Asia
Australasia
Central/South America
Mid East/Africa
