Grades | Special Alloy | X40CoNi20-20
DIN X40CoNi20-20
X40CoNi20-20 Application:The high-temperature and high-strength steel
Chemical composition(mass fraction)(wt.%) of the X40CoNi20-20
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) | W(%) | Co(%) | Other(%) |
|---|---|---|---|---|---|---|---|---|---|---|
| 0.35-0.45 | Max 1.00 | Max 1.50 | Max 0.045 | Max 0.030 | 19.0-21.0 | 19.0-21.0 | 3.50-4.50 | 3.50-4.50 | 19.0-21.0 | Nb/Ta 3.50-4.50 |
Mechanical properties of grade X40CoNi20-20
| Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | HBW |
|---|---|---|---|---|---|---|
| 369 (≥) | 977 (≥) | 14 | 33 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 214 |
Physical properties of grade X40CoNi20-20
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
|---|---|---|---|---|---|
| 329 (≥) | 947 (≥) | 13 | 33 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
- | - | - |
| 169 | 377 | 135 | - | - | - |
X40CoNi20-20 Range of products
| Product type | Products | Dimension | Processes | Deliver Status |
|---|---|---|---|---|
| Plates / Sheets | Plates / Sheets | 0.08-200mm(T)*W*L | Forging, hot rolling and cold rolling | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Steel Bar | Round Bar, Flat Bar, Square Bar | Φ8-1200mm*L | Forging, hot rolling and cold rolling, Cast | Black, Rough Turning, Shot Blasting, |
| Coil / Strip | Steel Coil /Steel Strip | 0.03-16.0x1200mm | Cold-Rolled & Hot-Rolled | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Pipes / Tubes | Seamless Pipes/Tubes, Welded Pipes/Tubes | OD:6-219mm x WT:0.5-20.0mm | Hot extrusion, Cold Drawn, Welded | Annealed, Solution and Aging, Q+T, ACID-WASHED |