317S12 Stainless Steels to BS 1449-2

317S12 - Specification & Application

  • BS 1449-2 - Steel plate, sheet and strip. Specification for stainless and heat-resisting steel plate, sheet and strip

Steel plate, sheet and strip. Specification for stainless and heat-resisting steel plate, sheet and strip

Chemical composition(wt.%) of 317S12 grade: to BS 1449-2

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.03
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.03
Cr 17.50 19.50
Mo 3.00 4.00
Ni 14.00 17.00

317S12 - Detail

Steel plate, sheet and strip. Specification for stainless and heat-resisting steel plate, sheet and strip

Mechanical properties of grade 317S12 BS 1449-2

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)
229 (≥) 847 (≥) 44 13 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical properties of grade 317S12 BS 1449-2

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
239 (≥) 976 (≥) 11 33 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 433
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
359 161 171

Equivalent Grade

Equivalent Products

We can customize the production of 317S12 grade, contact us for the best solution.
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