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B-2

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B-1 B-3
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Description

USA ASTM B-2 Steel Castings, Austenitic Manganese and B-2 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: B-2
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy B-2 ASTM USA Steel Castings, Austenitic Manganese
J41501
J12582
J22092
J22092
J22090
J42220
J42065
J91550
ASTM A
B-1

Chemical composition(mass fraction)(wt.%) of the B-2

C(％) Si(％) Mn(％) P(％) Cr(％) Ni(％) Mo(％)
1.05-1.2 1.00 11.5-14.0 0.0700000000000000 － － －

Mechanical Properties of steel grade B-2

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)
946 (≥) 117 (≥) 12 24 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade B-2

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
21 - -     0.34 -  
665 323 - 22.3 134   -  
134 - 24 32.2   443 222

Heat Treatment of steel grade B-2

Heat treated : 1162°C - 1265°C

Technological Curves of steel grade B-2

Cross Reference Table (Equivalent Grade) of B-2

Grade Standard Country Application
ASTM B-2 AISI USA
B-2 ASTM USA Steel Castings, Austenitic Manganese
B-2 ASTM USA Steel Castings, Austenitic Manganese
B-1 B-3
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