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ASTM 4427

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UNS G44220 UNS G44270
#ASTM # # #4427

Description

ASTM 4427 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: ASTM 4427
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel ASTM 4427
ASTM 4320
UNS G43200
ASTM 4340
UNS G43400
ASTM E4340
UNS G43406
ASTM 4419
UNS G44190
ASTM 4422
UNS G44220

Chemical composition(mass fraction)(wt.%) of the ASTM 4427

 

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
0.24-0.29 0.15-0.35  0.7-0.9  0.035 0.04    
Mo Al Cu Nb Ti V Ce
0.35-0.45            
N Co Pb B Other    
             
             

Mechanical Properties of steel grade ASTM 4427

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)
361 (≥) 837 (≥) 34 24 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade ASTM 4427

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
41 - -     0.32 -  
265 996 - 14.3 141   -  
651 - 14 32.2   421 322

Heat Treatment of steel grade ASTM 4427

Heat treated : 1566°C - 1359°C

Technological Curves of steel grade ASTM 4427

Cross Reference Table (Equivalent Grade) of ASTM 4427

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 G44220 UNS G44270
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