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 881~428 σb/MPa
Yield Strength 131 σ 0.2 ≥/MPa
Elongation 43 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 162~251 -
HRC 30 -

Physical Properties

Thermal expansion 17-51 e-6/K
Thermal conductivity 63-71 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9014-4261 째C
Density 8844-6169 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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