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UNS G43400

Description

UNS G43400 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: UNS G43400
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel UNS G43400
AISI 4320
SAE 4320
UNS G43200
AISI 4337
SAE 4337
UNS G43370
AISI E4337
UNS G43376
AISI 4340
SAE 4340

Chemical composition(mass fraction)(wt.%) of the UNS G43400

 

C
Si
Mn
P
S
Cr Ni
 0.38-0.43 0.15-0.35  0.6-0.8 0.035  0.04  0.7-0.9  1.65-2.0 
Mo Al Cu Nb Ti V Ce
0.2-0.3             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade UNS G43400

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)
145 (≥) 458 (≥) 21 44 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade UNS G43400

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 - -     0.12 -  
568 239 - 42.3 324   -  
511 - 11 11.2   321 441

Heat Treatment of steel grade UNS G43400

Heat treated : 1923°C - 1778°C

Technological Curves of steel grade UNS G43400

Cross Reference Table (Equivalent Grade) of UNS G43400

Grade Standard Country Application
UNS G10300 UNS USA General use carbon steel bar
UNS G10050 UNS USA General use carbon steel bar
UNS G10060 UNS USA General use carbon steel bar
UNS G10080 UNS USA General use carbon steel bar
UNS G10110 UNS USA General use carbon steel bar
ASTM 1012 ASTM USA General use carbon steel bar
UNS G10120 UNS USA General use carbon steel bar
UNS G10130 UNS USA General use carbon steel bar
UNS G10150 UNS USA General use carbon steel bar
UNS G10160 UNS USA General use carbon steel bar
UNS G10170 UNS USA General use carbon steel bar
UNS G10180 UNS USA General use carbon steel bar
UNS G10190 UNS USA General use carbon steel bar
UNS G10200 UNS USA General use carbon steel bar
UNS G10210 UNS USA General use carbon steel bar
UNS T72301 UNS USA Carbon tool steel
W2-A ASTM USA Carbon tool steel
UNS T72302 UNS USA Carbon tool steel
UNS S42800 UNS USA Martensitic special steel
UNS S43100 UNS USA Martensitic special steel

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