High-precision seamless steel pipes manufactured through cold rolled and cold drawn processes for demanding industrial applications.
| Product Name |
Seamless steel pipe |
| Material |
Carbon Steel and Alloy Steel |
| Surface |
Oiled, Polished, Brightness, Metallic color |
| Standards |
ASTM A106 A53 A192 A179 A210 A519, DIN17175 1629 2391, EN10216-1 10216-2 10305-1 |
| Grades |
St35, St45, St52, E215, E235, E355, sch10, sch20, A106, A179, A192, A210, T11, T22, T12, AISI4130, SAE1010, SAE1020 |
| Manufacturing Process |
Cold rolled and Cold drawn |
| Size Range |
OD: 8mm-100mm, WT: 1-8mm |
| Length |
Customized |
| Tolerance |
Cold drawn pipe: +/-0.1mm, Cold rolled pipe: +/-0.05mm |
| Applications |
Gas spring, Shock absorber, Cylinder and other high precision areas |
Seamless steel pipes are manufactured through hot rolled and cold drawn technologies, with hot rolled pipes offering superior strength. These pipes are essential for various industrial applications including:
| Standard |
Steel Grade |
Chemical Components |
Mechanical Properties |
| API Spec 5L PSL1 |
B |
C≤0.28, Mn≤1.20, Cr≤0.50, Mo≤0.15, P≤0.030, S≤0.030, Ni≤0.50, Cu≤0.50 |
Tensile: ≥415 MPa, Yield: ≥245 MPa |
| X42 |
C≤0.28, Mn≤1.30, Cr≤0.50, Mo≤0.15, P≤0.030, S≤0.030, Ni≤0.50, Cu≤0.50 |
Tensile: ≥415 MPa, Yield: ≥290 MPa |
| X46 |
C≤0.28, Mn≤1.40, Cr≤0.50, Mo≤0.15, P≤0.030, S≤0.030, Ni≤0.50, Cu≤0.50 |
Tensile: ≥435 MPa, Yield: ≥320 MPa |
| X52 |
C≤0.28, Mn≤1.40, Cr≤0.50, Mo≤0.15, P≤0.030, S≤0.030, Ni≤0.50, Cu≤0.50 |
Tensile: ≥460 MPa, Yield: ≥360 MPa |
| X56 |
C≤0.28, Mn≤1.40, Cr≤0.50, Mo≤0.15, P≤0.030, S≤0.030, Ni≤0.50, Cu≤0.50 |
Tensile: ≥490 MPa, Yield: ≥390 MPa |
| X60 |
C≤0.28, Mn≤1.40, Cr≤0.50, Mo≤0.15, P≤0.030, S≤0.030, Ni≤0.50, Cu≤0.50 |
Tensile: ≥520 MPa, Yield: ≥415 MPa |
| X65 |
C≤0.28, Mn≤1.40, Cr≤0.50, Mo≤0.15, P≤0.030, S≤0.030, Ni≤0.50, Cu≤0.50 |
Tensile: ≥535 MPa, Yield: ≥450 MPa |
| X70 |
C≤0.28, Mn≤1.40, Cr≤0.50, Mo≤0.15, P≤0.030, S≤0.030, Ni≤0.50, Cu≤0.50 |
Tensile: ≥570 MPa, Yield: ≥485 MPa |
