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AISI A4125

Description

AISI A4125 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: AISI A4125
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel AISI A4125
AISI 4118
UNS G41180
AISI A4119
SAE 4119
AISI 4120
SAE 4120
UNS G41200
AISI 4121
SAE 4121
UNS G41210

Chemical composition(mass fraction)(wt.%) of the AISI A4125

 

 

C
Si
Mn
P
S
Cr Ni
0.23-0.28 0.2-0.35  0.7-0.9  0.04 0.04  0.4-0.6  
Mo Al Cu Nb Ti V Ce
0.2-0.3            
N Co Pb B Other    
             
             

Mechanical Properties of steel grade AISI A4125

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)
567 (≥) 617 (≥) 31 23 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade AISI A4125

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
21 - -     0.34 -  
696 663 - 32.3 322   -  
624 - 13 21.2   212 343

Heat Treatment of steel grade AISI A4125

Heat treated : 1738°C - 1138°C

Technological Curves of steel grade AISI A4125

Cross Reference Table (Equivalent Grade) of AISI A4125

Grade Standard Country Application
AISI 431 AISI USA Martensitic special steel
AISI 440A AISI China Martensitic special steel
AISI 440B AISI USA Martensitic special steel
AISI 440F AISI USA Martensitic special steel
AISI 440F Se AISI USA Martensitic special steel
AISI 501 AISI USA Martensitic special steel
AISI 501A AISI USA Martensitic special steel
AISI 501B AISI USA Martensitic special steel
AISI 502 AISI USA Martensitic special steel
AISI 503 AISI USA Martensitic special steel
AISI 504 AISI USA Martensitic special steel
AISI S13800 USA precipitation hardening
AISI S15500 AISI USA precipitation hardening
AISI 632 AISI USA precipitation hardening
AISI 630 AISI USA precipitation hardening
AISI 635 AISI USA precipitation hardening
AISI 631 AISI USA precipitation hardening
AISI 633 AISI USA precipitation hardening
AISI 633 AISI USA precipitation hardening
AISI 634 AISI USA precipitation hardening

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