C350, 350 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of C350, 350

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This page is mainly introduced the C350, 350 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of C350, 350,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Maraging C350 350 is a nickel maraging steel which contains Cobalt as the primary strengthening agent. Maraging 350 has excellent mechanical properties, workability and heat treatment characteristics. Maraging C350 350 is used for missile and rocket motor cases, landing and takeoff gear components, high performance shafting, gears and fasteners.

  • Steel Garde:C350, 350
  • Type:Maraging steel
  • Standard Number:
    ITEM Standard Number Descriptions
    1 MIL-S-46850
    2 AMS 6515
  • Metallographic Structure:Martensite
  • Application:Maraging 350 is used for missile and rocket motor cases, landing and takeoff gear components, high performance shafting, gears and fasteners.

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.03
Si   0.10
Mn   0.10
P   0.01
S   0.01
Ni   18.50
Co   12.0
Al   0.10
Mo   4.8
Ti   1.40
Zr   0.01

Mechanical Properties

Tensile strength 156~063 σb/MPa
Yield Strength 655 σ 0.2 ≥/MPa
Elongation 53 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 283~221 -
HRC 30 -

Physical Properties

Thermal expansion 69-86 e-6/K
Thermal conductivity 60-21 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6884-1788 째C
Density 3570-9010 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)
C350, 350 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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