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Harsh Steel

Maraging 250

Maraging 250
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

  • 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
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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

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