Custom 455 Stainless Steels to SAE AMS 5578G (2003)

Custom 455 - Specification & Application

  • SAE AMS 5578G (2003) - Steel, Corrosion and Heat-Resistant, Welded Tubing 12Cr - 8.5Ni - 0.30Cb - 1.1Ti - 2.0Cu Vacuum Induction Plus Consumable Electrode Vacuum Melted Solution Heat Treated, Precipitation Hardenable

Steel, Corrosion and Heat-Resistant, Welded Tubing 12Cr - 8.5Ni - 0.30Cb - 1.1Ti - 2.0Cu Vacuum Induction Plus Consumable Electrode Vacuum Melted Solution Heat Treated, Precipitation Hardenable

Chemical composition(wt.%) of Custom 455 grade: to SAE AMS 5578G (2003)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.02
Si - -
Mn - -
P - -
S - -
Ni - 8.50
Cr - 12.00
Al - -
Cu - 2.00
Ti - 1.15
Fe - remaining
Mo - -
Co - -
Nb - 0.38
B - 0.003

Custom 455 - Detail

Steel, Corrosion and Heat-Resistant, Welded Tubing 12Cr - 8.5Ni - 0.30Cb - 1.1Ti - 2.0Cu Vacuum Induction Plus Consumable Electrode Vacuum Melted Solution Heat Treated, Precipitation Hardenable

Mechanical properties of grade Custom 455 SAE AMS 5578G (2003)

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)
849 (≥) 989 (≥) 43 14 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical properties of grade Custom 455 SAE AMS 5578G (2003)

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
583 (≥) 264 (≥) 14 43 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 222
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
439 227 228

Equivalent Products

We can customize the production of Custom 455 grade, contact us for the best solution.
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