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NBR 7836 Class Ⅱ C

Brazil NBR NBR7836ClassⅡC Pieces of cast iron for use at temperatures below 760℃ and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals NBR 7836 Class Ⅱ C ABNT NBR 7836 Brazil Pieces of cast iron for use at temperatures below 760℃

Chemical composition(mass fraction)(wt.%) of the NBR 7836 Class Ⅱ C

Element Min Max Similar
C - 3.2000 -
P - 0.6000 -
S - 0.1500 -
Si 0.9000 2.7000 -
Cr 0.6600 0.9500 -

Mechanical Properties of steel grade NBR 7836 Class Ⅱ C

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)
953 (≥) 445 (≥) 13 33 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade NBR 7836 Class Ⅱ C

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
12 - -     0.31 -  
199 417 - 24.3 431   -  
365 - 44 13.2   144 113

Heat Treatment of steel grade NBR 7836 Class Ⅱ C

Heat treated : 1523°C - 1194°C

Technological Curves of steel grade NBR 7836 Class Ⅱ C

Cross Reference Table (Equivalent Grade) of NBR 7836 Class Ⅱ C

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