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GH4180 - GBT
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- Nickel base superalloy
Chemical composition % of the ladle analysis of grade GH4220
C(%) | Cr(%) | Ni(%) | Mo(%) | W(%) | Co(%) | B(%) | Al(%) | Ti(%) | Other(%) |
Max 0.08 | 9.0-12.0 | Balance | 5.0-7.0 | 5.0-6.5 | 14.0-15.0 | Max 0.02 | 3.9-4.8 | 2.2-2.9 | V:0.2-0.8,Mg::Traces |
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) |
---|---|---|---|---|---|---|
388 (≥) | 226 (≥) | 11 | 14 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 434 |
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 |
---|---|---|---|---|---|---|---|
732 (≥) | 914 (≥) | 44 | 21 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 431 | |
Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
194 | 392 | 684 |
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 |
---|---|---|---|
GH4220 | Nickel-base superalloy |