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ASTM 4042H

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UNS H40370 UNS H40420
#ASTM # # #4042H

Description

ASTM 4042H Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: ASTM 4042H
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel ASTM 4042H
ASTM 1345H
UNS H13450
ASTM 4027H
UNS H40270
ASTM 4028H
UNS H40280
ASTM 4032H
UNS H40320
ASTM 4037H
UNS H40370

Chemical composition(mass fraction)(wt.%) of the ASTM 4042H

 

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
0.39-0.46 0.15-0.35  0.6-1.0        
Mo Al Cu Nb Ti V Ce
0.2-0.3             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade ASTM 4042H

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)
321 (≥) 734 (≥) 31 11 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade ASTM 4042H

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
22 - -     0.31 -  
661 747 - 22.3 113   -  
568 - 23 22.2   133 142

Heat Treatment of steel grade ASTM 4042H

Heat treated : 1289°C - 1768°C

Technological Curves of steel grade ASTM 4042H

Cross Reference Table (Equivalent Grade) of ASTM 4042H

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 H40370 UNS H40420
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