CNS CNS 631 Enquiry | Print this page
| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | CNS 631 | CNS | China |
Chemical composition % of the ladle analysis of grade CNS 631
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Al(%) |
|---|---|---|---|---|---|---|---|
| Max 0.09 | Max 1.00 | Max 1.00 | 0.04 | 0.03 | 16.00-18.00 | 6.50-7.75 | 0.75-1.50 |
| 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) |
|---|---|---|---|---|---|---|
| 526 (≥) | 961 (≥) | 13 | 31 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 424 |
| 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 |
|---|---|---|---|---|---|---|---|
| 574 (≥) | 172 (≥) | 44 | 41 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 212 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 872 | 861 | 175 |
| 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 |
| 0Cr17Ni7Al | CNS | China | Heat-resisting steel sheets and plates |
| 0Cr17Ni7Al | CNS | China | Heat-resisting steel sheets and plates |
| S63198 | CNS | China | Iron Base Superalloy |
| A 313 S17700 | CNS | China | Stainless Steel Spring Wire |
| A 564 S17700 | CNS | China | Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes |
| A 693 S17700 | CNS | China | Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip |
| A 705 S17700 | CNS | China | Age-Hardening Stainless Steel Forgings |
| S17700 | CNS | China | Precipitation Hardenable Chromium Nickel Aluminum Stainless Steel |
| SA-564 S17700 | CNS | China | Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes |
| SA-693 S17700 | CNS | China | Specification for Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip |
| SA-705 S17700 | CNS | China | Specification for Age-Hardening Stainless Steel Forgings |
| S63198 | CNS | China | Iron Base Superalloy |
| A 313 S17700 | CNS | China | Stainless Steel Spring Wire |
Relevant products
CNS 631 Equivalent Grade Stock
| Steel grade | Dimension | Shape | Unit | Quantity | Delivery state | Query |
|---|---|---|---|---|---|---|
| 17-7PH / 631 Coil & Strip, Sheet Stock | 0.3-3.0*10-180mm | Coil or Strip | Kgs | 1236.22 | Cold-Rolled+Annealed | Enquiry |