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Description

Japan JIS SUS630 precipitation-hardening stainless and SUS630 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: SUS630
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel SUS630 JIS Japan precipitation-hardening stainless
SUS416
SUS420J1
SUS420J2
SUS420F
SUS420F2
SUS431
SUS440A
SUS440B
SUS440C
SUS440F

Chemical composition(mass fraction)(wt.%) of the SUS630

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Cu(%) Nb(%)
Max 0.07 Max 1.00 Max 1.00 Max 0.04 Max 0.03 15.0-17.0 3.00-5.00 3.00-5.00 3.00-5.00

Mechanical Properties of steel grade SUS630

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)
581 (≥) 571 (≥) 24 31 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade SUS630

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
12 - -     0.11 -  
523 445 - 43.3 424   -  
536 - 43 14.2   411 412

Heat Treatment of steel grade SUS630

Heat treated : 1375°C - 1431°C

Technological Curves of steel grade SUS630

Cross Reference Table (Equivalent Grade) of SUS630

Grade Standard Country Application
SUS630 JIS Japan precipitation-hardening stainless
SUS630FB JIS Japan precipitation hardening

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