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America SAE GMR-235D Special Purpose Alloys (Superalloys) and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GMR-235D / GMR-235D
Category Grade Standard Region/Area Standard Content
Metals GMR-235D SAE J 467B America Special Purpose Alloys (Superalloys)

Chemical composition(mass fraction)(wt.%) of the GMR-235D

Element Min Max Similar
Ti - - 2.5000
Si - - 0.1500
Ni - - -
Mo - - 5.0000
Mn - - 0.0500
Fe - - 4.5000
Cr - - 15.5000
C - - 0.1500
B - - 0.0500
Al - - 3.5000

Mechanical Properties of steel grade GMR-235D

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)
844 (≥) 321 (≥) 41 34 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade GMR-235D

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
41 - -     0.21 -  
983 337 - 24.3 141   -  
488 - 33 33.2   412 442

Heat Treatment of steel grade GMR-235D

Heat treated : 1597°C - 1373°C

Technological Curves of steel grade GMR-235D

Cross Reference Table (Equivalent Grade) of GMR-235D

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