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UNS Custom 455 Details

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Custom 455 Application: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

Category Type Grade Microstructure Designations
Grades Stainless Steels Custom 455 Precipitation-Hardening USA - UNS , 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

Chemical composition(wt.%) of Custom 455 grade: 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
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)
987 (≥) 463 (≥) 23 44 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

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
562 (≥) 527 (≥) 14 33 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 321
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
189 882 368

Custom 455 - Form of Supply

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
A 313 S45500 SAE USA
Stainless Steel Spring Wire
A 564 S45500 SAE USA
Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes
A 693 S45500 SAE USA
Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip
A 705 S45500 SAE USA
Age-Hardening Stainless Steel Forgings
S45500 AISI USA
Stainless Steel (Custom 455)
SA-564 S45500 AMS USA
Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes
SA-693 S45500 AMS USA
Specification for Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip
SA-705 S45500 AMS USA
Specification for Age-Hardening Stainless Steel Forgings
Custom 455 ASTM USA
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
Custom 455 ASTM USA
Steel Wire, Corrosion Resistant 11.8Cr - 8.5Ni - 0.30(Cb + Ta) - 1.1Ti - 2.0Cu Precipitation Hardenable, Spring Temper
Custom 455 ASTM USA
Steel, Corrosion-Resistant, Sheet, Strip, and Plate 12Cr - 8.5Ni - 0.30Cb - 1.1Ti - 2.0Cu Multiple Melted, Solution Heat Treated, Precipitation Hardenable
Custom 455 UNS USA
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
Custom 455 UNS USA
Steel Wire, Corrosion Resistant 11.8Cr - 8.5Ni - 0.30(Cb + Ta) - 1.1Ti - 2.0Cu Precipitation Hardenable, Spring Temper
Custom 455 UNS USA
Steel, Corrosion-Resistant, Sheet, Strip, and Plate 12Cr - 8.5Ni - 0.30Cb - 1.1Ti - 2.0Cu Multiple Melted, Solution Heat Treated, Precipitation Hardenable
Custom 455 Grade 1 ASTM USA
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
Custom 455 Grade 1 UNS USA
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
Custom 455 Grade 2 ASTM USA
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
Custom 455 Grade 2 UNS USA
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

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