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Description

SUS440B Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: SUS440B
Category Type Steel Grade Standard Country Application
Steel GradesStainless Steel SUS440B
SUS410
SUS410J1
SUS410F2
SUS416
SUS420J1
SUS420J2
SUS420F
SUS420F2
SUS431
SUS440A

Chemical composition(mass fraction)(wt.%) of the SUS440B

C
Si
Mn
P
S
Cr Ni
0.75-0.95 1.0   1.0 0.04  0.03  16-18  0.6 
Mo Al Cu Nb Ti V Ce
 0.6            
N Co Pb B Other    
             
             

Mechanical Properties of steel grade SUS440B

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)
495 (≥) 744 (≥) 34 14 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade SUS440B

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 -  
342 945 - 32.3 224   -  
433 - 43 34.2   221 114

Heat Treatment of steel grade SUS440B

Heat treated : 1248°C - 1629°C

Technological Curves of steel grade SUS440B

Cross Reference Table (Equivalent Grade) of SUS440B

Grade Standard Country Application
SUS440B JIS Japan Martensitic special steel

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