CNS CNS 304J2 Enquiry | Print this page
| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | CNS 304J2 | CNS | China |
Chemical composition % of the ladle analysis of grade CNS 304J2
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Cu(%) |
|---|---|---|---|---|---|---|---|
| Max 0.08 | Max 1.70 | 3.00-5.00 | 0.045 | 0.03 | 15.0-18.0 | 6.00-9.00 | 1.00-3.00 |
| 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) |
|---|---|---|---|---|---|---|
| 116 (≥) | 954 (≥) | 44 | 42 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 441 |
| 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 |
|---|---|---|---|---|---|---|---|
| 937 (≥) | 992 (≥) | 12 | 14 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 434 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 878 | 821 | 452 |
| 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 |
| STS304J2 | CNS | China | Hot rolled stainless steel plates, sheets and strip |