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America SAE CR5 Categorization and properties of low-carbon automotive sheet steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: CR5 / CR 5
Category Grade Standard Region/Area Standard Content
Metals CR 5 SAE J 2329 America Categorization and properties of low-carbon automotive sheet steels

Chemical composition(mass fraction)(wt.%) of the CR 5

Element Min Max Similar
S - 0.0250 -
P - 0.0250 -
Mn - 0.3000 -
C - 0.0200 -
Al 0.0200 - -

Mechanical Properties of steel grade CR 5

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)
138 (≥) 321 (≥) 32 33 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade CR 5

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
21 - -     0.11 -  
865 716 - 24.3 421   -  
664 - 32 12.2   234 341

Heat Treatment of steel grade CR 5

Heat treated : 1191°C - 1256°C

Technological Curves of steel grade CR 5

Cross Reference Table (Equivalent Grade) of CR 5

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