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Description

China GBT MX246A Superalloys and high temperature intermetallic materials and MX246A Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: MX246A
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy MX246A GBT China Superalloys and high temperature intermetallic materials
TAC-2M
T AC-3 A
TAC-3B
TAC-3C
TAC-3D
TAC-1
TAC-1B
IC6
IC6A
MX246

Chemical composition(mass fraction)(wt.%) of the MX246A

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) W(%) Pb(%) B(%) Al(%) Ti(%) Sb(%) As(%) Sn(%) Fe(%)
0.06-0.20 1.00 0.50 0.020 0.015 7.40-8.20 Bal 3.50-4.50 1.70-2.30 0.0010 0.010-0.050 7.60-8.50 0.60-1.20 0.001 0.005 0.002 ≤2.00

Mechanical Properties of steel grade MX246A

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)
922 (≥) 779 (≥) 13 41 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade MX246A

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
42 - -     0.11 -  
242 796 - 11.3 133   -  
398 - 14 33.2   423 123

Heat Treatment of steel grade MX246A

Heat treated : 1445°C - 1276°C

Technological Curves of steel grade MX246A

Cross Reference Table (Equivalent Grade) of MX246A

Grade Standard Country Application
MX246A GBT China Superalloys and high temperature intermetallic materials

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