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Custom 455 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Custom 455

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UNS Custom 455

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This page is mainly introduced the Custom 455 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Custom 455,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials 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

Steel Garde:Custom 455
Type:Stainless Steels
Country:USA
Standard:UNS

Standard Number:

ITEM	Standard Number	Descriptions
1	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

Metallographic Structure:Precipitation-Hardening
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

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 313 S45500	SAE	USA
A 564 S45500	SAE	USA
A 693 S45500	SAE	USA
A 705 S45500	SAE	USA
S45500	AISI	USA
SA-564 S45500	AMS	USA
SA-693 S45500	AMS	USA
SA-705 S45500	AMS	USA
Custom 455	ASTM	USA
Custom 455	ASTM	USA
Custom 455	ASTM	USA
Custom 455	UNS	USA
Custom 455	UNS	USA
Custom 455 Grade 1	ASTM	USA
Custom 455 Grade 1	UNS	USA
Custom 455 Grade 2	ASTM	USA
Custom 455 Grade 2	UNS	USA

Chemical composition(mass fraction)(wt.%)

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

Tensile strength	299～103	σb/MPa
Yield Strength	799	σ 0.2 ≥/MPa
Elongation	36	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	555～581	-
HRC	30	-

Physical Properties

Thermal expansion	37-55	e-6/K
Thermal conductivity	62-25	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8729-0010	째C
Density	3999-6757	kg/m³
Resistivity	0.50-0.60	Ohm.mm²/m

Heat Treatment Regime

Annealing	Quenching	Tempering	Normalizing	Q & T
√	√	√	√	√

Size Availability

Steel Grade	Specification	Processing range(mm)
Custom 455 Stainless Steels	Round Bar and Hollow Bar	Φ1 to Φ2000
	Square and Flat Steel	Φ10 to Φ100
	Plate and Sheet	0.08-800(Thickness)10-1500(Width)Length
	Tube or Pipe	OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
	Coil and Strip Steel	THK:0.1mm Width:1500mm
	Forged	Ring/Cylindrical/Disk