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AMS C250, 250, UNS K92890, 1.6359, Alloy 250 Details

C250, 250, UNS K92890, 1.6359, Alloy 250 Application:C250 is used for missile and ejector systems, slat tracks and drive shafts.

Category Type Grade Microstructure Designations
Grades Maraging steel C250, 250, UNS K92890, 1.6359, Alloy 250 Martensite USA - AMS , AMS 6512 -
BS S162 -

Chemical composition(wt.%) of C250, 250, UNS K92890, 1.6359, Alloy 250 grade: AMS 6512

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.03
Si - 0.10
Mn - 0.10
P - 0.010
S - 0.010
Cr - 0.50
Ni 17.00 19.00
Co 7.00 8.50
Al 0.05 0.15
Mo 4.60 5.20
Ti 0.30 0.50
Cu - 0.50
Fe - Bal

Mechanical properties of grade C250, 250, UNS K92890, 1.6359, Alloy 250 AMS 6512

Yield Strength,Rp 0.2(MPa)

Condition Min Max Similar Note
1724

Tensile Strength,Rm(MPa)

Condition Min Max Similar Note
1758

Impact,Kv/Ku(J)

Condition Min Max Similar Note

Elongation,A(%)

Condition Min Max Similar Note
6

Reduction of area,(%)

Condition Min Max Similar Note

Hardness

Condition Type Min Max Similar Note
HRC 48

C250 is used for missile and ejector systems, slat tracks and drive shafts.

C250, 250, UNS K92890, 1.6359, Alloy 250 - Form of Supply

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

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
C250, 250, UNS K92890, 1.6359, Alloy 250 AMS USA
C250 is used for missile and ejector systems, slat tracks and drive shafts.

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