Typical Applications
Components in sour gas service
Offshore oil and gas piping systems
Equipment in petroleum refineries
Heating coils
Heat exchangers
Tanks
Scrubbers
Chemical processing equipment
Food process equipment
Nuclear industry equipment
Chemical Composition
The typical chemical composition for this grade is given in the table below, together with composition limits given for this grade according to different standards. The required standard will be fully met as specified on the order.
| C | Mn | Cr | Ni | Mo | Other | |
Typical | 0.010 | 0.8 | 23.0 | 39.5 | 3.2 | Si:0.35 Cu:1.7 Ti Al:0.1 |
ASTM B424 | ≤0.05 | ≤1.0 | 19.5-23.5 | 38.0-46.0 | 2.5-3.5 | Cu:1.5-3.0 Ti |
ISO 6208 | ≤0.05 | ≤1.0 | 19.5-23.5 | 38.0-46.0 | 2.5-3.5 | Cu:1.5-3.0 Ti |
Mechanical Properties
The mechanical properties of the available products are given in the table below.
| Standard | Rp0.2 | Rm | Elongation |
MPa | MPa | % | |
Product type: Cold rolled coil and sheet | |||
Typical (thickness 1 mm) | 280 | 620 | |
ASTM B424 | ≥ 241 | ≥ 586 | |
ISO 6208 | ≥ 240 | ≥ 590 | ≥ 30 |
Product type: Hot rolled coil and sheet | |||
ASTM B424 | ≥ 241 | ≥ 586 | |
ISO 6208 | ≥ 240 | ≥ 590 | ≥ 30 |
Physical Properties
| Density | Modulus of elasticity | Thermal exp. at 100 °C | Thermal conductivity |
kg/dm3 | GPa | 10-6/°C | W/m°C |
8,1 | 195 | 14,1 | 10,5 |
