P460QH (1.8871) pressure vessel steel is widely used in petroleum, chemical industry, power station, boiler, etc,
Mechanical Properties:
The mechanical properties of P460QH are characterized by high strength and excellent toughness, which are crucial for pressure vessel applications. The typical mechanical properties are as follows:
| Thickness (mm) | |||
| P460QH | ≤ 50 | > 50 ≤ 100 | > 100 |
| Yield strength (≥Mpa) | 460 | 440 | 400 |
| ≤ 100 | > 100 | ||
| Tensile strength (Mpa) | 550-720 | 500-670 | |
Chemical Composition:
The chemical composition of EN10028-6 P460QH is tightly controlled to ensure the steel's mechanical properties and weldability. The typical chemical composition includes:
Carbon (C): ≤ 0.16%
Silicon (Si): ≤ 0.50%
Manganese (Mn): ≤ 1.50%
Phosphorus (P): ≤ 0.020%
Sulfur (S): ≤ 0.010%
Aluminum (Al): ≥ 0.020%
Niobium (Nb): ≤ 0.05%
Titanium (Ti): ≤ 0.03%
Vanadium (V): ≤ 0.05%
Boron (B): ≤ 0.005%
Chromium (Cr): ≤ 0.30%
Copper (Cu): ≤ 0.30%
Molybdenum (Mo): ≤ 0.10%
Nickel (Ni): ≤ 0.50%
Nitrogen (N): ≤ 0.012%
