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CNS CNS 303 Details
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| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | CNS 303 | Austenite | China - CNS , G3067 - Stainless steel bars G3077 - Stainless steel wire rods G3076 - Stainless steel wires |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.15 | ||
| Si | - | 1.00 | ||
| Mn | - | 2.00 | ||
| P | - | 0.20 | ||
| S | - | 0.15 | ||
| Ni | 8.00 | 10.00 | ||
| Cr | 17.00 | 19.00 | ||
| Mo | - | 0.60 |
| 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) |
|---|---|---|---|---|---|---|
| 228 (≥) | 638 (≥) | 23 | 32 | 32 | 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 |
|---|---|---|---|---|---|---|---|
| 238 (≥) | 385 (≥) | 14 | 43 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 442 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 323 | 679 | 786 |
| 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 |
|---|---|---|---|
| T72302 | AISI | USA | Carbon tool steel products which include hot or cold finished bar, plate, sheet, rod, wire, or forgings, which are normally fabricated into tools, dies, or fixtures. |
| GH2302 | GB | China | Classification and designation for superalloys and high temperature intermetallic materials |
| GH4302 | GB | China | Nickel-base superalloy |
| A 167 Type 302 | SAE | USA | Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip |
| A 240 S30200 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 276 S30200 | SAE | USA | Stainless Steel Bars and Shapes |
| A 313 S30200 Class 1 | SAE | USA | Stainless Steel Bars and Shapes |
| A 313 S30200 Class 2 | SAE | USA | Stainless Steel Spring Wire |
| A 314 S30200 | SAE | USA | Stainless Steel Billets and Bars for Forging |
| A 368 S30200 | SAE | USA | Stainless Steel Wire Strand |
| A 473 S30200 | SAE | USA | Stainless Steel Forgings |
| A 478 S30200 | SAE | USA | Chromium-Nickel Stainless Steel Weaving and Knitting Wire |
| A 492 S30200 | SAE | USA | Chromium-Nickel Stainless Steel Weaving and Knitting Wire |
| A 493 S30200 | SAE | USA | Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging |
| A 580 S30200 | SAE | USA | Stainless Steel Wire |
| A 666 S30200 | SAE | USA | Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar |
| SA-240 S30200 | AMS | USA | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| SA-666 S30200 | AMS | USA | Specification for Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar |
| 302B | YB | USA | Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip |
| A 167 Type 302B | SAE | USA | Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip |