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India IS 85Cr7Al2 Forged steel rolls and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 85Cr7Al2 / 85Cr7Al2
Category Grade Standard Region/Area Standard Content
Metals 85Cr7Al2 IS 3445 India Forged steel rolls

Chemical composition(mass fraction)(wt.%) of the 85Cr7Al2

Element Min Max Similar
Si - 0.3500 -
S - 0.0200 -
P - 0.0200 -
Mn - 0.3500 -
Cr 1.4000 1.7000 -
C 0.8000 0.9000 -
Al 0.1500 - -

Mechanical Properties of steel grade 85Cr7Al2

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)
894 (≥) 662 (≥) 14 34 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade 85Cr7Al2

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 - -     0.22 -  
514 279 - 21.3 443   -  
955 - 21 21.2   113 412

Heat Treatment of steel grade 85Cr7Al2

Heat treated : 1841°C - 1973°C

Technological Curves of steel grade 85Cr7Al2

Cross Reference Table (Equivalent Grade) of 85Cr7Al2

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