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ASTM B-2

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UNS J91129 ASTM B-3
#ASTM # #B-2

Description

USA AISI ASTM B-2 and ASTM B-2 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: ASTM B-2
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy ASTM B-2 AISI USA
Type Ⅰ
Type Ⅱ
50Cr-50Ni
60Cr-40Ni
50Cr-50Ni-Nb
UNS J91109
ASTM A
UNS J91119
ASTM B-1
UNS J91129

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

C(％) Si(％) Mn(％) P(％)
1.05-1.2 Max 1.00 11.5-14.0 Max 0.07

Mechanical Properties of steel grade ASTM 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)
176 (≥) 682 (≥) 14 24 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade ASTM 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
11 - -     0.11 -  
324 254 - 42.3 424   -  
897 - 43 22.2   123 211

Heat Treatment of steel grade ASTM B-2

Heat treated : 1291°C - 1294°C

Technological Curves of steel grade ASTM B-2

Cross Reference Table (Equivalent Grade) of ASTM B-2

Grade Standard Country Application
ASTM 1030 ASTM USA General use carbon steel bar
ASTM 1005 ASTM USA General use carbon steel bar
ASTM 1006 ASTM USA General use carbon steel bar
ASTM 1008 ASTM USA General use carbon steel bar
ASTM 1010 ASTM USA General use carbon steel bar
ASTM 1013 ASTM USA General use carbon steel bar
ASTM 1015 ASTM USA General use carbon steel bar
ASTM 1016 ASTM USA General use carbon steel bar
ASTM 1017 ASTM USA General use carbon steel bar
ASTM 1018 ASTM USA General use carbon steel bar
ASTM 1019 ASTM USA General use carbon steel bar
ASTM 1020 ASTM USA General use carbon steel bar
ASTM 1021 ASTM USA General use carbon steel bar
ASTM W1-A ASTM USA Carbon tool steel
ASTM A182 F55 ASTM USA Super Duplex
ASTM 431 ASTM USA Martensitic special steel
ASTM 440A ASTM USA Martensitic special steel
ASTM 440B ASTM USA Martensitic special steel
ASTM 440C ASTM USA Martensitic special steel
ASTM 501 ASTM USA Martensitic special steel
UNS J91129 ASTM B-3
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