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AMS Maraging Steel 250 / C250 Details
AMS Maraging Steel 250 / C250 Standard Download
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Superalloys | Maraging Steel 250 / C250 | Martensite | USA - AMS , |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.03 | ||
| Ni | 17.00 | 19.00 | ||
| Co | 7.00 | 8.50 | ||
| Mn | - | 0.10 | ||
| Si | - | 0.10 | ||
| Al | 0.05 | 0.15 | ||
| Mo | 4.60 | 5.20 | ||
| S | - | 0.010 | ||
| P | - | 0.010 | ||
| Ti | 0.30 | 0.50 | ||
| Fe | - | Bal | ||
| Cr | - | 0.50 | ||
| Cu | - | 0.50 |
UNS K92890
AMS 6512 Bar and Forging Stock
Werkstoff Nr. 1.6359
MIL-S-46850
BS S162
DTD 5212
MSRR 6551
MAT 102
MIA 101
Udimar 250
Vascomax C250
| 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) |
|---|---|---|---|---|---|---|
| 751 (≥) | 584 (≥) | 43 | 31 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 114 |
| 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 |
|---|---|---|---|---|---|---|---|
| 758 (≥) | 739 (≥) | 21 | 42 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 412 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 246 | 548 | 181 |
| 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 |
|---|---|---|---|
| Maraging Steel 250 / C250 | AMS | USA | Structural and constructional steels |
| K92890 | UNS | USA | Structural and constructional steels |
| 1.6359 | DIN | Germany | Structural and constructional steels |
| C250, 250, UNS K92890, 1.6359, Alloy 250 | AMS | USA | C250 is used for missile and ejector systems, slat tracks and drive shafts. |