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Description

Japan JIS SUS630FB precipitation hardening and SUS630FB Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: SUS630FB
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel SUS630FB JIS Japan precipitation hardening
SUS321HFB
SUS347FB
SUS347HFB
SUS329J1FB
SUS403FB
SUS410FB
SUS410J1FB
SUS420J1FB
SUS420J2FB
SUS431FB

Chemical composition(mass fraction)(wt.%) of the SUS630FB

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Cu(%) Nb(%)
Max 0.07 Max 1.00 Max 1.00 Max 0.040 Max 0.030 15.5-17.5 3.00-5.00 3.00-5.00 0.15-0.45

Mechanical Properties of steel grade SUS630FB

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)
566 (≥) 796 (≥) 23 12 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade SUS630FB

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 - -     0.32 -  
764 858 - 12.3 141   -  
632 - 11 42.2   321 343

Heat Treatment of steel grade SUS630FB

Heat treated : 1442°C - 1912°C

Technological Curves of steel grade SUS630FB

Cross Reference Table (Equivalent Grade) of SUS630FB

Grade Standard Country Application
SUS630FB JIS Japan precipitation hardening

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