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ASTM Grade4

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Description

ASTM Grade4 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: ASTM Grade4
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel ASTM Grade4
ASTM WCC
UNS J02503
ASTM WCV
ASTM TypeⅠ
ASTM TypeⅡ
ASTM 50Cr-50Ni
ASTM 60Cr-40Ni
ASTM 50Cr-50Ni-Nb
ASTM Grade1
ASTM Grade2

Chemical composition(mass fraction)(wt.%) of the ASTM Grade4

 

 

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
0.03 0.8 1.0 0.04 0.045 0.4-0.8 0.4-0.8
Mo Al Cu Nb W V Ce
0.15-0.3   0.5   0.1 0.03  
N Co Pb B Other    
             
             

Mechanical Properties of steel grade ASTM Grade4

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)
719 (≥) 656 (≥) 23 12 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade ASTM Grade4

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
24 - -     0.21 -  
966 969 - 14.3 241   -  
189 - 43 23.2   413 121

Heat Treatment of steel grade ASTM Grade4

Heat treated : 1286°C - 1484°C

Technological Curves of steel grade ASTM Grade4

Cross Reference Table (Equivalent Grade) of ASTM Grade4

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
ASTM Grade2 ASTM Grade6
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