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AISI 4427

Description

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

Datasheet for: Steel Grades:Carbon Steel: AISI 4427

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

C
Si
Mn
P
S
Cr Ni
 0.24-0.29 0.15-0.3  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 AISI 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)
154 (≥) 817 (≥) 42 43 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade AISI 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
22 - -     0.44 -  
584 483 - 44.3 121   -  
922 - 11 21.2   231 343

Heat Treatment of steel grade AISI 4427

Heat treated : 1457°C - 1398°C

Technological Curves of steel grade AISI 4427

Cross Reference Table (Equivalent Grade) of AISI 4427

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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