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SUS 630 FB

Description

Japan JIS G 4319 (1991), SUS 630 FB Specialsteel Stainless steel blooms and billets for forgings and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SUS 630 FB
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SUS 630 FB Precipitation-Hardening JIS Japan Stainless steel blooms and billets for forgings

Chemical composition(mass fraction)(wt.%) of the SUS 630 FB

C Si Mn P S Cr Ni Mo N Cu Nb
≤0.07 ≤1.00 ≤1.00 ≤0.04 ≤0.03 15.00 -17.00 3.00 -5.00 ≤ ≥ ≤ ≥ 3.00 -5.00 0.15 -0.45

Mechanical Properties of steel grade SUS 630 FB

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)
353 (≥) 215 (≥) 42 12 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade SUS 630 FB

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 - -     0.14 -  
243 356 - 34.3 423   -  
734 - 11 43.2   131 342

Heat Treatment of steel grade SUS 630 FB

Heat treated : 1374°C - 1261°C

Technological Curves of steel grade SUS 630 FB

Relevant standard of SUS 630 FB

G 4319 (1991) Stainless steel blooms and billets for forgings G-4319-(1991).pdf

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