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GMR-235D

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GMR-235 A 646 Grade H-11
#GMR-235D

Description

USA UNS SAE J 467 (1968), GMR-235D Specialsteel Special Purpose Alloys ("Superalloys") and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: GMR-235D
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel GMR-235D Precipitation-Hardening UNS USA Special Purpose Alloys ("Superalloys")

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

C Si Mn P S Ni Cr Al Cu Ti Fe Mo Co B
≤0.15 ≤0.30 ≤0.13 ≤ ≥ ≤ ≥ ≤remaining ≤15.50 ≤3.00 ≤ ≥ ≤2.00 ≤10.00 ≤5.25 ≤ ≥ ≤0.06

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)
757 (≥) 178 (≥) 34 34 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

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
23 - -     0.33 -  
425 375 - 22.3 442   -  
224 - 32 14.2   323 141

Heat Treatment of steel grade GMR-235D

Heat treated : 1348°C - 1796°C

Technological Curves of steel grade GMR-235D

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

Grade Standard Country Application
GMR-235D

Relevant standard of GMR-235D

SAE J 467 (1968) Special Purpose Alloys ("Superalloys") SAE-J-467-(1968).pdf
GMR-235 A 646 Grade H-11
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