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AISI 4131

Description

AISI 4131 Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: AISI 4131
Category Type Steel Grade Standard Country Application
Steel GradesStainless Steel AISI 4131
S46910
651
S63198
662
S66220
660
S66296
665
S66545
AISI TS4130

Chemical composition(mass fraction)(wt.%) of the AISI 4131

C
Si
Mn
P
S
Cr Ni
 0.28-0.33 0.15-0.35  0.5-0.7  0.035 0.04  0.9-1.2   
Mo Al Cu Nb Ti V Ce
0.15-0.25            
N Co Pb B Other    
             
             

Mechanical Properties of steel grade AISI 4131

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)
421 (≥) 695 (≥) 11 14 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade AISI 4131

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
11 - -     0.34 -  
176 561 - 22.3 441   -  
631 - 22 43.2   233 131

Heat Treatment of steel grade AISI 4131

Heat treated : 1581°C - 1851°C

Technological Curves of steel grade AISI 4131

Cross Reference Table (Equivalent Grade) of AISI 4131

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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