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HR3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of HR3

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B.S. HR3

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This page is mainly introduced the HR3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of HR3,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for nickel-cobalt-chromium-molybdenum-aluminium-titanium heat-resisting alloy billets, bars, forgings and parts (nickel base, Co 20, Cr 14.8, Mo 5, Al 4.8, Ti 1.2)

Steel Garde:HR3
Type:Stainless Steels
Country:UK
Standard:B.S.

Standard Number:

ITEM	Standard Number	Descriptions
1	BS HR 3	Specification for nickel-cobalt-chromium-molybdenum-aluminium-titanium heat-resisting alloy billets, bars, forgings and parts (nickel base, Co 20, Cr 14.8, Mo 5, Al 4.7, Ti 1.2)
2	BS 2HR 3 (2010)	Specification for nickel-cobalt-chromium-molybdenum-aluminium-titanium heat-resisting alloy billets, bars, forgings and parts (nickel base, Co 20, Cr 14.8, Mo 5, Al 4.8, Ti 1.2)

Application:Specification for nickel-cobalt-chromium-molybdenum-aluminium-titanium heat-resisting alloy billets, bars, forgings and parts (nickel base, Co 20, Cr 14.8, Mo 5, Al 4.8, Ti 1.2)

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.12	0.17
Si		1.00
Mn		1.00
P
S		0.015
Cr	14.00	15.70
Ni		remaining
Mo	4.50	5.50
Co	18.00	22.00
Ti	0.90	1.50
Fe		1.00
Al	4.50	4.90
Cu		0.20
B	0.0030	0.0100
Bi		0.0001
Pb		0.0015
Ag		0.0005
Zr		0.15

Mechanical Properties

Tensile strength	891～634	σb/MPa
Yield Strength	570	σ 0.2 ≥/MPa
Elongation	60	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	997～992	-
HRC	30	-

Physical Properties

Thermal expansion	04-54	e-6/K
Thermal conductivity	05-00	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1188-4174	째C
Density	8342-8410	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)
HR3 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