PSL2 Grade X56Q
France AFNOR NF EN ISO 3183, PSL2 Grade X56Q Superalloys Petroleum and natural gas industries-Steel pipe for pipeline transportation systems(ISO 3183:2012) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application |
|---|---|---|---|---|---|---|
| Steel Grades | Superalloys | PSL2 Grade X56Q | Austenite | AFNOR | France | Petroleum and natural gas industries-Steel pipe for pipeline transportation systems(ISO 3183:2012) |
Chemical composition(mass fraction)(wt.%) of the PSL2 Grade X56Q
| CE Pcm | C | Mn | P | S | Si | Ni | Cr | Mo | Cu | V | Ti | Nb | Nb+Ti+V | CEV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.2500 | ≤0.1800 | ≤1.5000 | ≤0.0250 | ≤0.0150 | ≤0.4500 | ≤0.3000 | ≤0.3000 | ≤0.1500 | ≤0.50 | ≤0.0700 | ≤0.0400 | ≤0.0500 | ≤0.1500 | ≤0.43 |
Mechanical Properties of steel grade PSL2 Grade X56Q
| Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 257 (≥) | 333 (≥) | 11 | 43 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 212 |
Physical Properties of steel grade PSL2 Grade X56Q
| Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson’s coefficient, ν |
|---|---|---|---|---|---|---|---|
| 33 | – | – | 0.12 | – | |||
| 492 | 525 | – | 13.3 | 443 | – | ||
| 753 | – | 43 | 12.2 | 123 | 432 |
Heat Treatment of steel grade PSL2 Grade X56Q
Heat treated : 1987°C – 1963°C
Technological Curves of steel grade PSL2 Grade X56Q
No Curve