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Description

USA UNS SAE J 467 (1968), CRM-15D Specialsteel Special Purpose Alloys ("Superalloys") and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: CRM-15D
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel CRM-15D Precipitation-Hardening UNS USA Special Purpose Alloys ("Superalloys")

Chemical composition(mass fraction)(wt.%) of the CRM-15D

C Si Mn P S Ni Cr Al Cu Ti Fe Mo Co W Nb N
≤1.00 ≤0.50 ≤5.00 ≤ ≥ ≤ ≥ ≤5.00 ≤20.00 ≤ ≥ ≤ ≥ ≤ ≥ ≤remaining ≤2.00 ≤ ≥ ≤2.00 ≤2.00 ≤0.20

Mechanical Properties of steel grade CRM-15D

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)
211 (≥) 265 (≥) 22 23 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade CRM-15D

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
44 - -     0.43 -  
477 327 - 24.3 243   -  
775 - 22 14.2   211 421

Heat Treatment of steel grade CRM-15D

Heat treated : 1284°C - 1946°C

Technological Curves of steel grade CRM-15D

Cross Reference Table (Equivalent Grade) of CRM-15D

Grade Standard Country Application
CRM-15D

Relevant standard of CRM-15D

SAE J 467 (1968) Special Purpose Alloys ("Superalloys") SAE-J-467-(1968).pdf

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