STS431 Stainless Steels to D 3702 (2008)

STS431 - Specification & Application

  • D 3702 (2008) - Stainless steel wire rods
  • D 3706 (2008) - Stainless steel bars

Stainless steel bars

Chemical composition(wt.%) of STS431 grade: to D 3702 (2008)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.20
Si - 1.00
Mn - 1.00
P - 0.040
S - 0.030
Cr 15.00 17.00
Ni 1.25 2.50
Mo - -
N - -

STS431 - Detail

Stainless steel bars

Mechanical properties of grade STS431 D 3702 (2008)

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)
736 (≥) 465 (≥) 12 43 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical properties of grade STS431 D 3702 (2008)

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
926 (≥) 921 (≥) 13 22 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 144
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
649 384 469

Equivalent Products

We can customize the production of STS431 grade, contact us for the best solution.
sales@specificsteel.com