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AFNOR X2CrNiMoN18-12-4 Details
AFNOR X2CrNiMoN18-12-4 Standard Download
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | X2CrNiMoN18-12-4 | Austenite | France - AFNOR , NF EN 10028-7 - Flat products made of steels for pressure purposes - Part 7: Stainless steels NF EN 10088-1 - Stainless steels - Part 1: List of stainless steels NF EN 10088-2 - Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.030 | ||
| Si | - | 1.00 | ||
| Mn | - | 2.00 | ||
| P | - | 0.045 | ||
| S | - | 0.015 | ||
| Cr | 16.50 | 19.50 | ||
| Mo | 3.00 | 4.00 | ||
| Ni | 10.50 | 14.00 | ||
| N | 0.10 | 0.20 |
| 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) |
|---|---|---|---|---|---|---|
| 954 (≥) | 152 (≥) | 14 | 12 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 231 |
| 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 |
|---|---|---|---|---|---|---|---|
| 212 (≥) | 778 (≥) | 44 | 31 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 444 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 317 | 746 | 415 |
| 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 |
|---|---|---|---|
| X3CrNiMo17-13-3 | B.S. | UK | Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel |
| 1.4436 | B.S. | UK | Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel |
| X3CrNiMo17-13-3 | AFNOR | France | Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel |
| 1.4436 | AFNOR | France | Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel |
| X2CrNiMoN18-12-4 | AFNOR | France | Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes |
| 1.4434 | AFNOR | France | Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes |
| 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 |