MAR-M 246 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of MAR-M 246

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GB MAR-M 246

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This page is mainly introduced the MAR-M 246 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of MAR-M 246,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
cast superalloy of MAR-M 246
  • Steel Garde:MAR-M 246
  • Type:Superalloys
  • Country:China
  • Standard:GB
  • Application:cast superalloy

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤)
C 0.13  0.17
Si   0.20
Mn   0.20
S   0.015
Cr 8.00  10.00
Ni   Bal
Mo 2.25  2.75
Co 9.00  11.00
W 9.00  11.00
Al 5.25  5.75
Cu   0.10
Ti 1.25  1.75
Fe   1.00
Ta 1.25  1.75
Zr 0.03  0.08
B 0.010  0.020

Mechanical Properties

Tensile strength 151~471 σb/MPa
Yield Strength 055 σ 0.2 ≥/MPa
Elongation 03 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 596~786 -
HRC 30 -

Physical Properties

Thermal expansion 86-12 e-6/K
Thermal conductivity 61-35 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8662-8144 째C
Density 8156-3050 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)
MAR-M 246 Superalloys 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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