Stainless and heat resisting steels
Austenitic stainless steel. Grade 1Cr17Mn6Ni5N was replaced by new designation 12Cr17Mn6Ni5N according to GB/T 20878 (2007)
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GB 1Cr17Mn6Ni5N Details
GB 1Cr17Mn6Ni5N Standard Download
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | 1Cr17Mn6Ni5N | Austenite | China - GB , GB/T 1220 (1992) | GB/T 3280 (1992) | GB/T 4237 (1992) | GB/T 4239 (1991) | GB/T 4356 (2002) | |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.15 | ||
| Si | - | 1.00 | ||
| Mn | 5.50 | 7.50 | ||
| P | - | 0.060 | ||
| S | - | 0.030 | ||
| Ni | 3.50 | 5.50 | ||
| Cr | 16.00 | 18.00 | ||
| N | - | 0.2500 |
| 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) |
|---|---|---|---|---|---|---|
| 361 (≥) | 941 (≥) | 11 | 41 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 341 |
| 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 |
|---|---|---|---|---|---|---|---|
| 233 (≥) | 376 (≥) | 44 | 11 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 413 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 576 | 286 | 234 |
| 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 |
|---|---|---|---|
| 1Cr17Mn6Ni5N | GB | China | Nickel steel grade, instead of number 1 cr17ni7 and magnetism after cold working, used in railway vehicle, etc |