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ASTM B2Q

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UNS J02503 ASTM B2N
#ASTM # # #B2Q

Description

ASTM B2Q Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: ASTM B2Q
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel ASTM B2Q
UNS J31550
ASTM LC4
UNS J41500
ASTM LC9
UNS J31300
ASTM LA6NM
UNS J91540
ASTM A1Q
ASTM A2Q
UNS J02503

Chemical composition(mass fraction)(wt.%) of the ASTM B2Q

 

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
0.25 0.6 0.5-0.8 0.025 0.025 0.4 2.0-3.0
Mo Al Cu Nb Ti V Ce
0.25   0.5     0.03  
N Co Pb B Other    
             
             

Mechanical Properties of steel grade ASTM B2Q

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)
157 (≥) 923 (≥) 41 12 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade ASTM B2Q

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
14 - -     0.11 -  
726 692 - 44.3 323   -  
177 - 32 12.2   131 411

Heat Treatment of steel grade ASTM B2Q

Heat treated : 1179°C - 1919°C

Technological Curves of steel grade ASTM B2Q

Cross Reference Table (Equivalent Grade) of ASTM B2Q

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 J02503 ASTM B2N
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