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Description

SUS321FB Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: SUS321FB

Chemical composition(mass fraction)(wt.%) of the SUS321FB

 

 

C
Si
Mn
P
S
Cr Ni
0.08 1.0 2.0 0.045 0.03 17-19 9-13
Mo Al Cu Nb Ti V Ce
        ≥5*C    
N Co Pb B Other    
             
             

Mechanical Properties of steel grade SUS321FB

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)
854 (≥) 357 (≥) 42 13 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade SUS321FB

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 - -     0.23 -  
418 855 - 34.3 331   -  
729 - 24 31.2   423 322

Heat Treatment of steel grade SUS321FB

Heat treated : 1739°C - 1693°C

Technological Curves of steel grade SUS321FB

Cross Reference Table (Equivalent Grade) of SUS321FB

Grade Standard Country Application
SUS321FB JIS Japan austenitic special steel

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