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UNS D-979 Details
UNS D-979 Standard Download
Category | Type | Grade | Microstructure | Designations |
---|---|---|---|---|
Grades | Stainless Steels | D-979 | Precipitation-Hardening | USA - UNS , SAE J 467 (1968) - Special Purpose Alloys ("Superalloys") |
Elements | Min.(≥) | Max.(≤) | Similar | Remarks |
---|---|---|---|---|
C | - | 0.06 | ||
Si | - | 0.20 | ||
Mn | - | 0.25 | ||
P | - | - | ||
S | - | - | ||
Ni | - | 44.30 | ||
Cr | - | 14.9 | ||
Al | - | 1.05 | ||
Cu | - | - | ||
Ti | - | 3.00 | ||
Fe | - | remaining | ||
Mo | - | 4.05 | ||
Co | - | - | ||
W | - | 3.65 | ||
B | - | 0.01 |
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) |
---|---|---|---|---|---|---|
976 (≥) | 963 (≥) | 22 | 11 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 132 |
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 |
---|---|---|---|---|---|---|---|
773 (≥) | 842 (≥) | 24 | 14 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 242 | |
Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
627 | 995 | 586 |
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 |
---|---|---|---|
D-979 | UNS | USA | Special Purpose Alloys ("Superalloys") |