S.525 Stainless Steels to BS S 525

S.525 - Specification & Application

  • BS S 525 - Specification for cold-rolled 18/10 chromium-nickel corrosion-resisting steel sheet and strip (niobium stabilized: 800 MPa)

Specification for cold-rolled 18/10 chromium-nickel corrosion-resisting steel sheet and strip (niobium stabilized: 800 MPa)

Chemical composition(wt.%) of S.525 grade: to BS S 525

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Si 0.20 1.00
Mn 0.50 2.00
P - 0.035
S - 0.025
Cr 17.00 19.00
Ni 9.00 11.00
Mo - -
Nb 10×C 1.00

S.525 - Detail

Specification for cold-rolled 18/10 chromium-nickel corrosion-resisting steel sheet and strip (niobium stabilized: 800 MPa)

Mechanical properties of grade S.525 BS S 525

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)
528 (≥) 631 (≥) 41 41 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical properties of grade S.525 BS S 525

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
732 (≥) 225 (≥) 13 14 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 431
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
713 653 189

Equivalent Grade

Equivalent Products

We can customize the production of S.525 grade, contact us for the best solution.
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