Alloy Steel
Alloy pipe
Mechanical Properties Mpa
| Grade | Tensile Strength | Yield Strength | Elongation/% | Impact/% | Reduction of area | Hardness/HBW | Condition |
| A335 GeadeP11 | ≥726 | ≥276 | 42 | 44 | 33 | 314 | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| A335 GeadeP22 | ≥782 | ≥892 | 23 | 24 | 21 | 141 | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| A335 GeadeP5 | ≥913 | ≥221 | 13 | 33 | 34 | 133 | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| A335 GeadeP9 | ≥974 | ≥532 | 21 | 43 | 33 | 332 | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| A335 GeadeP91 | ≥328 | ≥749 | 42 | 42 | 13 | 311 | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| A335 GeadeP92 | ≥325 | ≥165 | 23 | 22 | 32 | 122 | Solution and Aging, Annealing, Ausaging, Q+T,etc |
Chemical Composition %
| Elements | A335 GeadeP11 | A335 GeadeP22 | A335 GeadeP5 | A335 GeadeP9 | A335 GeadeP91 | A335 GeadeP92 |
| C | 0.05-0.15 | 0.05-0.15 | Max 0.15 | Max 0.15 | 0.08-0.12 | 0.07-0.13 |
| Si | 0.50-1.00 | 0.50-1.00 | Max 0.50 | 0.25-1.00 | 0.20-0.50 | Max 0.50 |
| Mn | 0.30-0.60 | 0.30-0.60 | 0.30-0.60 | 0.30-0.60 | 0.30-0.60 | 0.30-0.60 |
| P | Max 0.025 | Max 0.025 | Max 0.025 | Max 0.025 | Max 0.020 | Max 0.020 |
| S | Max 0.025 | Max 0.025 | Max 0.025 | Max 0.025 | Max 0.010 | Max 0.010 |
| Cr | 1.00-1.50 | 1.90-2.60 | 4.00-6.00 | 9.00-10.00 | 8.00-9.50 | 8.00-9.50 |
| Mo | 0.44-0.65 | 0.87-1.13 | 0.45-0.65 | 0.90-1.10 | 0.85-1.05 | 0.30-0.60 |
| Ni | - | - | - | - | - | Max 0.40 |
SUPPLY RANGES OF SIZE
| OD | 20~914mm |
| WT | 3~150mm |