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ISO X2CrNiMo17-12-3 Details
ISO X2CrNiMo17-12-3 Standard Download
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | X2CrNiMo17-12-3 | Austenite | International - ISO , ISO 15510 (2010) - Stainless steels -- Chemical composition ISO 16143-1 (2004) - Stainless steels for general purposes -- Part 1: Flat products ISO 16143-2 (2004) - Stainless steels for general purposes -- Part 2: Semi-finished products, bars, rods and sections ISO 16143-3 (2005) - Stainless steels for general purposes -- Part 3: Wire ISO 9328-7 (2011) - Steel flat products for pressure purposes - Technical delivery conditions - Part 7: Stainless steels ISO/TS 15510 (2003) - Stainless steels - Chemical composition |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.03 | ||
| Si | - | 1.00 | ||
| Mn | - | 2.00 | ||
| P | - | 0.045 | ||
| S | - | 0.030 | ||
| Cr | 16.50 | 18.50 | ||
| Ni | 10.50 | 13.00 | ||
| Mo | 2.00 | 3.00 | ||
| N | - | 0.11 |
| 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) |
|---|---|---|---|---|---|---|
| 354 (≥) | 126 (≥) | 43 | 11 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 434 |
| 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 |
|---|---|---|---|---|---|---|---|
| 932 (≥) | 237 (≥) | 13 | 31 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 332 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 655 | 374 | 844 |
| 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 |
|---|---|---|---|
| X2CrNiMo17-12-3 | B.S. | UK | Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel |
| 1.4432 | B.S. | UK | Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel |
| X2CrNiMo17-12-3 | ISO | International | Stainless steels - Chemical composition |
| X3CrNiMo17-13-3, 1.4436, X2CrNiMo18-14-3, 1.4435, 1.4432, X2CrNiMo17-12-3 | Whole | Whole | The products in these steel grades are commonly used in the manufacture of pumps, tanks for chemicals, pipelines and installations, heat exchangers, screws, nuts, special coolers, food, chemical, textile, paper and cryogenic equipment, oil and marine indu |