CNS Austenitic 661 Enquiry | Print this page
| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | Austenitic 661 | CNS | China |
Chemical composition % of the ladle analysis of grade Austenitic 661
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) | W(%) | N(%) | Co(%) | Nb(%) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.08-0.16 | Max 1.00 | 1.00-2.00 | 0.04 | 0.03 | 20.0-22.5 | 19.0-21.0 | 2.50-3.50 | 2.00-3.00 | 0.10-0.20 | 18.5-21.0 | 0.75-1.25 |
| 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) |
|---|---|---|---|---|---|---|
| 277 (≥) | 961 (≥) | 24 | 43 | 34 | 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 |
Modulus of elasticity kN/mm2 |
Expansion rate |
|---|---|---|---|---|---|---|---|
| 945 (≥) | 549 (≥) | 21 | 11 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 411 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 184 | 667 | 832 |
| 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 |
|---|---|---|---|
| SUH 661 | CNS | China | Heat-resisting steel bars and wire rods |
| SUH 661 | CNS | China | Heat-resisting steel plate, sheet and strip |
| STR661 | CNS | China | Heat - resisting steel plates and sheets |
| SUH661 | CNS | China | CNS standard heat resistant steel bar steel grade and chemical composition |
| SUH661 | CNS | China | CNS standard heat resistant steel plate of the steel grade and chemical composition |