C250, 250, UNS K92890, 1.6359, Alloy 250 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of C250, 250, UNS K92890, 1.6359, Alloy 250

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

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This page is mainly introduced the C250, 250, UNS K92890, 1.6359, Alloy 250 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of C250, 250, UNS K92890, 1.6359, Alloy 250,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

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

Chemical composition(mass fraction)(wt.%)

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

Tensile strength 825~272 σb/MPa
Yield Strength 943 σ 0.2 ≥/MPa
Elongation 30 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 858~578 -
HRC 30 -

Physical Properties

Thermal expansion 65-73 e-6/K
Thermal conductivity 86-22 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7404-1109 째C
Density 2034-4085 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

Size Availability

Steel Grade Specification Processing range(mm)
C250, 250, UNS K92890, 1.6359, Alloy 250 Maraging steel Round Bar and Hollow Bar Φ1 to Φ2000
Square and Flat Steel Φ10 to Φ100
Plate and Sheet 0.08-800(Thickness)*10-1500(Width)*Length
Tube or Pipe OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
Coil and Strip Steel THK:0.1mm Width:1500mm
Forged Ring/Cylindrical/Disk

Technical specification/standard for download

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