Grades | Special Alloy | ASTM A638 Grade 660B 660D Alloy A286
ASTM ASTM A638 Grade 660B 660D Alloy A286
ASTM A638 Grade 660B 660D Alloy A286 Application:A precipitation hardening stainless type steel suitable for applications at high temperature.
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) | V(%) | Cu(%) | B(%) | Al(%) | Ti(%) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.08 | 1.0 | 2.00 | 0.040 | 0.030 | 13.00-16.00 | 24.00-27.00 | 1.00-1.50 | 0.10-0.50 | 0.30 | 0.01 | 0.35 | 1.90-2.35 |
| Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | HBW |
|---|---|---|---|---|---|---|
| 913 (≥) | 898 (≥) | 13 | 33 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 343 |
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
|---|---|---|---|---|---|
| 422 (≥) | 219 (≥) | 44 | 22 | 44 | 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 |
- | - | - |
| 114 | 479 | 546 | - | - | - |
| 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 |