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Chromoloy

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CHROMEL D CRM-6D
#Chromoloy

Description

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

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

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

C Si Mn P S Ni Cr Al Cu Ti Fe Mo Co V
≤0.20 ≤0.75 ≤0.50 ≤ ≥ ≤ ≥ ≤1.00 ≤1.00 ≤ ≥ ≤ ≥ ≤ ≥ ≤remaining ≤ ≥ ≤ ≥ ≤0.10

Mechanical Properties of steel grade Chromoloy

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)
798 (≥) 767 (≥) 31 22 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade Chromoloy

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 - -     0.14 -  
988 273 - 42.3 222   -  
849 - 43 31.2   423 141

Heat Treatment of steel grade Chromoloy

Heat treated : 1862°C - 1864°C

Technological Curves of steel grade Chromoloy

Cross Reference Table (Equivalent Grade) of Chromoloy

Grade Standard Country Application
Chromoloy

Relevant standard of Chromoloy

SAE J 467 (1968) Special Purpose Alloys ("Superalloys") SAE-J-467-(1968).pdf
CHROMEL D CRM-6D
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