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B.S. X2CrNiMo17-12-2 Details
B.S. X2CrNiMo17-12-2 Standard Download
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | X2CrNiMo17-12-2 | Austenite | UK - B.S. , BS EN 10028-7 - Flat products made of steels for pressure purposes - Part 7: Stainless steels BS EN 10088-1 - Stainless steels - Part 1: List of stainless steels BS EN 10088-2 - Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes BS EN 10088-3 - Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes BS EN 10088-4 - Stainless steels - Part 4: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for construction purposes BS EN 10088-5 - Stainless steels - Part 5: Technical delivery conditions for bars, rods, wire, sections and bright products of corrosion resisting steels for construction purposes BS EN 10216-5 (2004) - Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 5: Stainless steel tubes BS EN 10217-7 - Welded steel tubes for pressure purposes - Technical delivery conditions - Part 7: Stainless steel tubes BS EN 10222-5 - Steel forgings for pressure purposes - Part 5: Martensitic, austenitic and austenitic-ferritic stainless steels BS EN 10250-4 - Open die steel forgings for general engineering purposes - Part 4: Stainless steels BS EN 10253-3 - Butt-welding pipe fittings - Part 3: Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements BS EN 10253-4 - Butt-welding pipe fittings - Part 4: Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements BS EN 10263-5 - Steel rod, bars and steel wire for cold heading and cold extrusion - Part 5: Technical delivery conditions for stainless steels BS EN 10269 - Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties BS EN 10272 - Stainless steel bars for pressure purposes BS EN 10296-2 (2005) - Welded circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel BS EN 10297-2 (2005) - Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.07 | ||
| Si | - | 1.00 | ||
| Mn | - | 2.00 | ||
| P | - | 0.045 | ||
| S | - | 0.015 | ||
| Cr | 16.50 | 18.50 | ||
| Ni | 10.00 | 13.00 | ||
| Mo | 2.00 | 2.50 | ||
| 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) |
|---|---|---|---|---|---|---|
| 225 (≥) | 276 (≥) | 41 | 13 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 421 |
| 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 |
|---|---|---|---|---|---|---|---|
| 435 (≥) | 869 (≥) | 23 | 14 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 243 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 355 | 332 | 597 |
| 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 |
|---|---|---|---|
| X2CrNiMo17-12-2 | DIN | Germany | DIN 1654-5 (1989) Cold heading and cold extruding steels; technical delivery conditions for stainless steels; Replaced by DIN EN 10263-5:2002 |
| 1.4404 | DIN | Germany | DIN 1654-5 (1989) Cold heading and cold extruding steels; technical delivery conditions for stainless steels; Replaced by DIN EN 10263-5:2002 |
| X2CrNiMo17-13-2 | DIN | Germany | DIN 1654-5 (1989) Cold heading and cold extruding steels; technical delivery conditions for stainless steels; Replaced by DIN EN 10263-5:2002 |
| X2CrNiMo17-12-2 | B.S. | UK | Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties |
| 1.4404 | B.S. | UK | Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties |
| X2CrNiMo17-12-2 | AFNOR | France | Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel |
| 1.4404 | AFNOR | France | Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel |
| X2CrNiMo17-12-2 | ISO | International | Stainless steels - Chemical composition |
