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AMS X2CrNiMo18-15-4 Details
AMS X2CrNiMo18-15-4 Standard Download
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | X2CrNiMo18-15-4 | Precipitation-Hardening | USA - AMS , SA/EN 10028-7 - Specification for flat products made of steels for pressure purposes - Part 7: Stainless steels |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.18 | ||
| Si | 3.70 | 4.30 | ||
| Mn | - | 2.00 | ||
| P | - | 0.02 | ||
| S | - | 0.02 | ||
| Ni | 14.00 | 15.50 | ||
| Cr | 17.00 | 18.50 | ||
| Al | - | - | ||
| Cu | - | 0.50 | ||
| Ti | - | - | ||
| Fe | - | - | ||
| V | - | - | ||
| Mo | - | - |
| 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) |
|---|---|---|---|---|---|---|
| 143 (≥) | 158 (≥) | 23 | 23 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 132 |
| 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 |
|---|---|---|---|---|---|---|---|
| 231 (≥) | 159 (≥) | 33 | 42 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 344 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 311 | 379 | 533 |
| 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 |
|---|---|---|---|
| A 167 S01815 | SAE | USA | Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip |
| A 269 S01815 | SAE | USA | Seamless and Welded Austenitic Stainless Steel Tubing for General Service |
| B 102 PY 1815A | SAE | USA | Lead- and Tin-Alloy Die Castings |
| C18150 | AISI | USA | Copper alloy |
| S01815 | AISI | USA | Seamless and welded austenic stainless steel pipe |
| X2CrNiMo18-15-4 | AMS | USA | Specification for flat products made of steels for pressure purposes - Part 7: Stainless steels |
| X1CrNiSi18-15-4 | DIN | Germany | 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 |
| 1.4361 | DIN | Germany | 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 |
| X1CrNiSi18-15-4 | B.S. | UK | 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 |
| 1.4361 | B.S. | UK | 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 |
| X2CrNiMo18-15-4 | AFNOR | France | Butt-welding pipe fittings - Part 4: Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements |
| 1.4438 | AFNOR | France | Butt-welding pipe fittings - Part 4: Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements |
| X1CrNiSi18-15-4 | AFNOR | France | 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 |
| 1.4361 | AFNOR | France | 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 |
| X2CrNiMoN18-15-5 | ISO | International | Stainless steels - Chemical composition |