CNS CNS 321 Enquiry | Print this page
| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | CNS 321 | CNS | China |
Chemical composition % of the ladle analysis of grade CNS 321
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Ti(%) |
|---|---|---|---|---|---|---|---|
| Max 0.08 | Max 1.00 | Max 2.00 | 0.045 | 0.03 | 17.0-19.0 | 9.0-13.0 | Min 5xC% |
| 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) |
|---|---|---|---|---|---|---|
| 428 (≥) | 129 (≥) | 44 | 13 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 324 |
| 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 |
|---|---|---|---|---|---|---|---|
| 468 (≥) | 321 (≥) | 14 | 14 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 321 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 511 | 969 | 836 |
| 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 |
|---|---|---|---|
| HNV5 | CNS | China | Steel for intake valves |
| S63005 | CNS | China | Steel for intake valves |
| Z1CNS17-15 | CNS | China | Iron and steel. Austenitic and austenic-ferritic stainless steels plates for boilers and pressure vessels |
| Z11CNS17-07Az | CNS | China | Stainless steels for general purposes. Plates, wide strips and strips |
| Z15CNS25-20 | CNS | China | Iron and steel. Austenitic and austenic-ferritic stainless steels plates for boilers and pressure vessels |
| Z17CNS20-12 | CNS | China | Iron and steel. Austenitic and austenic-ferritic stainless steels plates for boilers and pressure vessels |
| Z80CNS20-02 | CNS | China | Valve steels and alloys for internal combustion engines |
| A 240 S32100 | CNS | China | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 249 S32100 | CNS | China | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| A 269 S32100 | CNS | China | Seamless and Welded Austenitic Stainless Steel Tubing for General Service |
| A 276 S32100 | CNS | China | Stainless Steel Bars and Shapes |
| A 313 S32100 | CNS | China | Stainless Steel Spring Wire |
| A 314 S32100 | CNS | China | Stainless Steel Billets and Bars for Forging |
| A 358 S32100 | CNS | China | Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications |
| A 409 S32100 | CNS | China | Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service |
| A 473 S32100 | CNS | China | Stainless Steel Forgings |
| A 580 S32100 | CNS | China | Stainless Steel Wire |
| A 632 S32100 | CNS | China | Seamless and Welded Austenitic Stainless Steel Tubing (Small-Diameter) for General Service |
| A 778 S32100 | CNS | China | Welded, Unannealed Austenitic Stainless Steel Tubular Products |
| A 813 S32100 | CNS | China | Single- or Double-Welded Austenitic Stainless Steel Pipe |
