325S31 Stainless Steels to BS 1554

325S31 - Specification & Application

  • BS 1554 - Specification for stainless and heat-resisting steel round wire
  • BS 970-1 - Specification for wrought steels for mechanical and allied engineering purposes. General inspection and testing procedures and specific requirements for carbon, carbon manganese, alloy and stainless steels
  • BS 970-3 - Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes

Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes

Chemical composition(wt.%) of 325S31 grade: to BS 1554

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.12
Si - 1.00
Mn - 2.00
P - 0.045
S 0.15 0.35
Cr 17.00 19.00
Mo - -
Ni 8.00 11.00
Ti 5×C 0.90

325S31 - Detail

Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes

Mechanical properties of grade 325S31 BS 1554

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)
373 (≥) 397 (≥) 11 33 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical properties of grade 325S31 BS 1554

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
781 (≥) 434 (≥) 12 44 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 112
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
864 711 365

Equivalent Grade

Equivalent Products

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