Maraging 250

Supply TypeManufacturer, Exporter, Supplier, Retailer
Preferred Buyer Location India, Kuwait, Oman, Saudi Ara bia, 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%

C250

17.0 / 19.0

7.0 / 8.5

0.10 max

0.03 max

0.05 / 0.15

4.6 / 5.2

0.010 max

0.3 / 0.5

Bal

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