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Grade B3

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England B.S. GradeB3 Specification for steel castings for general engineering purposes and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GradeB3 / Grade B3
Category Grade Standard Region/Area Standard Content
Metals Grade B3 BS 3100 England Specification for steel castings for general engineering purposes

Chemical composition(mass fraction)(wt.%) of the Grade B3

Element Min Max Similar
Si - 0.6000 -
S - 0.0400 -
P - 0.0400 -
Ni - 0.4000 -
Mo 0.9000 1.2000 -
Mn 0.4000 0.7000 -
Cu - 0.3000 -
Cr 2.0000 2.7500 -
C - 0.1800 -

Mechanical Properties of steel grade Grade B3

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)
286 (≥) 792 (≥) 43 42 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade Grade B3

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
13 - -     0.32 -  
393 693 - 12.3 243   -  
178 - 24 31.2   321 331

Heat Treatment of steel grade Grade B3

Heat treated : 1652°C - 1745°C

Technological Curves of steel grade Grade B3

Cross Reference Table (Equivalent Grade) of Grade B3

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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