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NBR 7836 Class Ⅲ A

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Brazil NBR NBR7836ClassⅢA Pieces of cast iron for use at temperatures below 760℃ and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: NBR7836ClassⅢA / NBR 7836 Class Ⅲ A
Category Grade Standard Region/Area Standard Content
Metals NBR 7836 Class Ⅲ A ABNT NBR 7836 Brazil Pieces of cast iron for use at temperatures below 760℃

Chemical composition(mass fraction)(wt.%) of the NBR 7836 Class Ⅲ A

Element Min Max Similar
C - 2.8000 -
P - 0.6000 -
S - 0.1500 -
Si 1.2000 2.7000 -
Cr 0.2000 0.4000 -

Mechanical Properties of steel grade NBR 7836 Class Ⅲ A

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)
866 (≥) 773 (≥) 11 44 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade NBR 7836 Class Ⅲ A

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
32 - -     0.23 -  
921 276 - 41.3 233   -  
448 - 14 43.2   443 333

Heat Treatment of steel grade NBR 7836 Class Ⅲ A

Heat treated : 1559°C - 1441°C

Technological Curves of steel grade NBR 7836 Class Ⅲ A

Cross Reference Table (Equivalent Grade) of NBR 7836 Class Ⅲ A

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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