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Business Type | Manufacturer, Exporter, Supplier, Retailer, Wholesaler |
Preferred Buyer From
Location | India, Kuwait, Oman, Saudi Arabia, Turkey |
Alloy 250 (UNS K92890 / Maraging 250) is an age-hardenable iron-nickel steel. Alloy 250 combines ultra-high strength (1800MPa), good toughness, readily machinable in pre-aged condition, excellent transverse properties and resistance to crack propagation. C250 is used for missile and ejector systems, slat tracks and drive shafts.
Specifications
Specifications
Alloy Name | Trade Name | UNS No. | British Specs | American Specs | German Specs |
Maraging 250 | Udimar 250 Maraging C250 Vascomax C250 |
UNS K92890 UNS K92940 |
BS S162 | AMS 6512 Bar, Tube, Forgings AMS 6520 Sheet, Strip and Plate ASTM A646 MIL-S-46850 Type 3 |
Werkstoff 1.6359 |
Technical Data Sheet
Chemical Composition Limits | |||||||||||||
Weight% | Ni | Co | Mn | Si | C | Al | Mo | S | P | Ti | Fe | Cr | Cu |
C250 | 17.0 / 19.0 | 7.0 / 8.5 | 0.10 max | 0.10 max | 0.03 max | 0.05 / 0.15 | 4.6 / 5.2 | 0.010 max | 0.010 max | 0.3 / 0.5 | Bal | 0.5 | 0.5 |
Typical Mechanical Properties
Material | Condition | Ultimate Tensile (min) | Yield Strength (Min) | Elongation in 4D % (min) | Hardness | ||
Mpa | Ksi | Mpa | Ksi | ||||
Alloy Maraging C250 | After Maraging heat treatment 900°F | 1758 | 255 | 1724 | 250 | 6 | ≥ 48 HRC |