UNS Custom 455

Grades | Stainless Steels | Custom 455

UNS Custom 455 ( Precipitation-Hardening )

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Custom 455 Application:Steel, Corrosion-Resistant, Sheet, Strip, and Plate 12Cr - 8.5Ni - 0.30Cb - 1.1Ti - 2.0Cu Multiple Melted, Solution Heat Treated, Precipitation Hardenable

Chemical composition(mass fraction)(wt.%) of the Custom 455
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

Mechanical properties of grade Custom 455

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition HBW
948 (≥) 928 (≥) 23 23 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical properties of grade Custom 455

Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm
173 (≥) 719 (≥) 21 14 11 Solution and Aging, Annealing, Ausaging, Q+T,etc
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2		 - - -
227 585 919 - - -

Custom 455 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