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SAE S590 Details

Special Purpose Alloys ("Superalloys")

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S590 Application:Special Purpose Alloys ("Superalloys")
Category Type Grade Microstructure Designations
Grades Stainless Steels S590 Precipitation-Hardening USA - SAE , SAE J 467 (1968) - Special Purpose Alloys ("Superalloys")
Chemical composition(mass fraction)(wt.%)
Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.43
Si - 0.40
Mn - 1.25
Cr - 21.00
Ni - 20.00
Mo - 4.00
Co - 20.00
W - 4.00
Al - -
Cu - -
Ti - -
Fe - remaining
Nb - 4.00
Mechanical properties of grade S590
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)
832 (≥) 625 (≥) 11 14 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 131
Physical properties of grade S590
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
138 (≥) 353 (≥) 43 32 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 112
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
683 143 874
S590 Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
S590 SAE USA
Special Purpose Alloys ("Superalloys")