STS403FB Stainless Steels to D 3691 (2001)

STS403FB - Specification & Application

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

Stainless steel blooms and billets for forgings

Chemical composition(wt.%) of STS403FB grade: to D 3691 (2001)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
Si - 0.50
Mn - 1.00
P - 0.040
S - 0.030
Cr 11.50 13.00
Ni - 0.60
Mo - -
N - -

STS403FB - Detail

Stainless steel blooms and billets for forgings

Mechanical properties of grade STS403FB D 3691 (2001)

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
366 (≥) 489 (≥) 31 42 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical properties of grade STS403FB D 3691 (2001)

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
351 (≥) 687 (≥) 34 31 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 322
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
996 881 146

Equivalent Products

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