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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)
825 (≥) 311 (≥) 43 13 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

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
23 - -     0.43 -  
234 445 - 21.3 311   -  
363 - 23 41.2   231 133

Heat Treatment of steel grade MAR-M 246 Cast superalloy

Heat treated : 1172°C - 1491°C

Technological Curves of steel grade MAR-M 246 Cast superalloy


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