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Description

Korea KS D 3691 (2001), STS403FB Specialsteel Stainless steel blooms and billets for forgings and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: STS403FB
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel STS403FB Martensite KS Korea Stainless steel blooms and billets for forgings

Chemical composition(mass fraction)(wt.%) of the STS403FB

C Si Mn P S Cr Ni Mo N
≤0.15 ≤0.50 ≤1.00 ≤0.040 ≤0.030 11.50 -13.00 ≤0.60 ≤ ≥ ≤ ≥

Mechanical Properties of steel grade STS403FB

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)
996 (≥) 923 (≥) 11 13 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade STS403FB

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
42 - -     0.22 -  
372 569 - 12.3 341   -  
237 - 21 44.2   243 231

Heat Treatment of steel grade STS403FB

Heat treated : 1219°C - 1416°C

Technological Curves of steel grade STS403FB

Cross Reference Table (Equivalent Grade) of STS403FB

Grade Standard Country Application
STS403
STS403

Relevant standard of STS403FB

D 3691 (2001) Stainless steel blooms and billets for forgings D-3691-(2001).pdf

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