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GB 2Cr11NiMoNbVN Details
GB 2Cr11NiMoNbVN Standard Download
| Category | Type | Grade | Designations |
|---|---|---|---|
| Grades | Stainless Steels | 2Cr11NiMoNbVN | China - GB , GB/T 8732 (2004) - Steels of blade for steam turbine |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.1500 | 0.2000 | ||
| Mn | 0.5000 | 0.8000 | ||
| P | - | 0.0200 | ||
| S | - | 0.0150 | ||
| Si | - | 0.5000 | ||
| Ni | 0.3000 | 0.6000 | ||
| Cr | 10.0000 | 12.0000 | ||
| Mo | 0.6000 | 0.9000 | ||
| Cu | - | 0.1000 | ||
| V | 0.2000 | 0.3000 | ||
| Al | - | 0.0300 | ||
| N | 0.0400 | 0.0900 | ||
| Nb | 0.2000 | 0.6000 |
| Proof strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Impact energy KV (J) |
Elongation at fracture A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 212 (≥) | 524 (≥) | 22 | 41 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 433 |
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
Modulus of elasticity kN/mm2 |
Expansion rate |
|---|---|---|---|---|---|---|---|
| 432 (≥) | 522 (≥) | 21 | 42 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 144 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 817 | 232 | 564 |
| 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 |
| Grade | Standard | Country | Application |
|---|---|---|---|
| 2Cr11NiMoNbVN | GB | China | Steels of blade for steam turbine |
| S47450 | GB | China | Steels of blade for steam turbine |
| S47670 | GB | China | Steels of blade for steam turbine |