Size
O.D.: 6.0-820.0mm W.T.: 1.0-80.0mm Length: Max.12000mm
Grade and Chemical Composition(%)
Grade | C | Mn | P≤ | S≤ | Si | Cr | Mo |
T11 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50-1.00 | 0.50-1.00 | 1.00-1.50 |
T12 | 0.05-0.15 | 0.30-0.61 | 0.025 | 0.025 | ≤0.050 | 0.80-1.25 | 0.44-0.65 |
T22 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | ≤0.050 | 1.90-2.60 | 0.87-1.13 |
Mechanical Properties
Grade | Tensile Point(Mpa)≥ | Yield Point(Mpa)≥ |
T11 | 205 | 415 |
T12 | 220 | 415 |
T22 | 205 | 415 |