S32550 Stainless Steels

S32550 - Specification & Application

Duplex (Austenitic-Ferritic) Chromium Nickel Molybdenum Copper Nitrogen Stainless Steel

Chemical composition(wt.%) of S32550 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.04
Si - 1.00
Mn - 1.50
P - 0.040
S - 0.030
Cr 24.0 27.0
Ni 4.5 6.5
Mo 2.9 3.9
Cu 1.50 2.50
N 0.10 0.25

S32550 - Detail

Duplex (Austenitic-Ferritic) Chromium Nickel Molybdenum Copper Nitrogen Stainless Steel

Mechanical properties of grade S32550

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)
564 (≥) 774 (≥) 13 13 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical properties of grade S32550

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
947 (≥) 476 (≥) 21 21 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 212
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
314 441 262
We can customize the production of S32550 grade, contact us for the best solution.
sales@specificsteel.com