ASTM Custom 455 Grade 2

Grades | Stainless Steels | Custom 455 Grade 2

ASTM Custom 455 Grade 2 ( Precipitation-Hardening )

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Custom 455 Grade 2 Application:Steel, Corrosion-Resistant, Bars, Wire, and Forgings 12Cr - 8.5Ni - 1.2Ti - 2.0Cu Vacuum Induction Plus Vacuum Consumable Electrode Melted Solution Heat Treated, Precipitation Hardenable

Chemical composition(mass fraction)(wt.%) of the Custom 455 Grade 2
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 Grade 2

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition HBW
935 (≥) 964 (≥) 41 13 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical properties of grade Custom 455 Grade 2

Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm
294 (≥) 374 (≥) 12 21 13 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		 - - -
813 552 724 - - -

Custom 455 Grade 2 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