904S13 Stainless Steels to BS 1501-3

904S13 - Specification & Application

  • BS 1501-3 - Steels for pressure purposes. Specification for corrosion- and heat-resisting steels: plates, sheet and strip

Steels for pressure purposes. Specification for corrosion- and heat-resisting steels: plates, sheet and strip

Chemical composition(wt.%) of 904S13 grade: to BS 1501-3

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.03
Si - 1.00
Mn - 2.00
P - 0.040
S - 0.025
Cr 19.00 22.00
Mo 4.00 5.00
Ni 24.00 27.00
Cu 1.00 2.00

904S13 - Detail

Steels for pressure purposes. Specification for corrosion- and heat-resisting steels: plates, sheet and strip

Mechanical properties of grade 904S13 BS 1501-3

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)
465 (≥) 716 (≥) 22 11 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical properties of grade 904S13 BS 1501-3

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
326 (≥) 576 (≥) 33 44 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 442
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
345 175 935

Equivalent Grade

Equivalent Products

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