S45503 Stainless Steels

S45503 - Specification & Application

Martensitic, Age Hardenable Stainless Steel

Chemical composition(wt.%) of S45503 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.01
Mn - 0.50
Si - 0.20
P - 0.01
S - 0.01
Cr 11.00 12.50
Ni 7.50 9.50
Mo - 0.50

S45503 - Detail

Martensitic, Age Hardenable Stainless Steel

Mechanical properties of grade S45503

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)
135 (≥) 933 (≥) 22 42 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical properties of grade S45503

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
562 (≥) 152 (≥) 14 34 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 312
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
723 455 444

Equivalent Products

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