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GB GH4302 Details
GB GH4302 Standard Download
| Category | Type | Grade | Designations |
|---|---|---|---|
| Grades | Superalloys | GH4302 | China - GB , |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.08 | ||
| Cr | 12.0 | 16.0 | ||
| Mo | 1.5 | 2.5 | ||
| Ni | 38.0 | 42.0 | ||
| W | 3.5 | 4.5 | ||
| Al | 1.8 | 2.3 | ||
| Ti | 2.3 | 2.8 | ||
| B | - | 0.01 | ||
| Mn | - | 0.6 | ||
| Ce | - | 0.02 | ||
| Zr | - | 0.05 |
| 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) |
|---|---|---|---|---|---|---|
| 443 (≥) | 763 (≥) | 23 | 33 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 232 |
| 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 |
|---|---|---|---|---|---|---|---|
| 917 (≥) | 876 (≥) | 43 | 22 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 422 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 534 | 846 | 319 |
| 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 |
|---|---|---|---|
| GH4302 | GB | China | Nickel-base superalloy |