320S33 Stainless Steels to BS 1449-2

320S33 - 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 320S33 grade: to BS 1449-2

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.03
Cr 16.50 18.50
Mo 2.50 3.00
Ni 11.50 14.50
Ti - 0.80

320S33 - Detail

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

Mechanical properties of grade 320S33 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)
489 (≥) 535 (≥) 14 43 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical properties of grade 320S33 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
438 (≥) 592 (≥) 23 21 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 241
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
523 779 177

Equivalent Grade

Equivalent Products

We can customize the production of 320S33 grade, contact us for the best solution.
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