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A757 Grade B3N

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America ASTM A757GradeB3N 低温下承压设备及其它设备用铁素体和马氏体钢铸件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A757GradeB3N / A757 Grade B3N
Category Grade Standard Region/Area Standard Content
Metals A757 Grade B3N ASTM A757/A757M America 低温下承压设备及其它设备用铁素体和马氏体钢铸件

Chemical composition(mass fraction)(wt.%) of the A757 Grade B3N

Element Min Max Similar
W - - -
V - 0.0300 -
Si - 0.6000 -
S - 0.0250 -
P - 0.0250 -
Other - - -
Ni 3.0000 4.0000 -
Mo - 0.2500 -
Mn 0.5000 0.8000 -
Cu - 0.5000 -
Cr - 0.4000 -
C - 0.1500 -

Mechanical Properties of steel grade A757 Grade B3N

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)
867 (≥) 587 (≥) 13 33 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade A757 Grade B3N

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
31 - -     0.41 -  
217 922 - 22.3 113   -  
331 - 24 11.2   212 443

Heat Treatment of steel grade A757 Grade B3N

Heat treated : 1395°C - 1951°C

Technological Curves of steel grade A757 Grade B3N

Cross Reference Table (Equivalent Grade) of A757 Grade B3N

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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