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NBR 7837 Class Ⅱ C

Favorite Datasheet

Brazil NBR NBR7837ClassⅡC Cast iron parts for use in temperatures above 760℃ and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: NBR7837ClassⅡC / NBR 7837 Class Ⅱ C
Category Grade Standard Region/Area Standard Content
Metals NBR 7837 Class Ⅱ C ABNT NBR 7837 Brazil Cast iron parts for use in temperatures above 760℃

Chemical composition(mass fraction)(wt.%) of the NBR 7837 Class Ⅱ C

Element Min Max Similar
C 1.8000 2.6000 -
Mn 0.4000 1.0000 -
P - - 0.2000
S - - 0.1500
Si 5.0000 6.0000 -
Ni 13.0000 32.0000 -
Cr 1.8000 5.5000 -
Mo - 1.0000 -
Cu - 10.0000 -

Mechanical Properties of steel grade NBR 7837 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)
858 (≥) 131 (≥) 31 44 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade NBR 7837 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
32 - -     0.33 -  
227 112 - 41.3 114   -  
191 - 14 23.2   331 134

Heat Treatment of steel grade NBR 7837 Class Ⅱ C

Heat treated : 1973°C - 1983°C

Technological Curves of steel grade NBR 7837 Class Ⅱ C

Cross Reference Table (Equivalent Grade) of NBR 7837 Class Ⅱ C

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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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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