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MAR-M 246 cast superalloy

Description

USA AMS MAR-M 246 cast superalloy Superalloys cast superalloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Superalloys: MAR-M 246 cast superalloy
Category Class Grade Standard Country Application
Steel GradesSuperalloys MAR-M 246 cast superalloy AMS USA cast superalloy

Chemical composition(mass fraction)(wt.%) of the MAR-M 246 cast superalloy

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

Mechanical Properties of steel grade MAR-M 246 cast superalloy

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
976 (≥) 868 (≥) 24 22 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade MAR-M 246 cast superalloy

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
32 - -     0.12 -  
268 447 - 14.3 422   -  
495 - 34 13.2   321 321

Heat Treatment of steel grade MAR-M 246 cast superalloy

Heat treated : 1474°C - 1497°C

Technological Curves of steel grade MAR-M 246 cast superalloy


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