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2HR401 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 2HR401

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B.S. 2HR401

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This page is mainly introduced the 2HR401 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 2HR401,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for nickel-chromium-titanium-aluminium heat-resisting alloy seamless tubes (Nickel base, Cr 19.5, Ti 2.2, Al 1.4)

Steel Garde:2HR401
Type:Stainless Steels
Country:UK
Standard:B.S.

Standard Number:

ITEM	Standard Number	Descriptions
1	BS 2HR 401 (1973)	Specification for nickel-chromium-titanium-aluminium heat-resisting alloy cold worked and softened seamless tubes (nickel base, Cr 19.5, Ti 2.2, Al 1.4)
2	BS 3HR 401 (2011)	Specification for nickel-chromium-titanium-aluminium heat-resisting alloy seamless tubes (Nickel base, Cr 19.5, Ti 2.2, Al 1.4)

Application:Specification for nickel-chromium-titanium-aluminium heat-resisting alloy seamless tubes (Nickel base, Cr 19.5, Ti 2.2, Al 1.4)

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.04	0.10
Si		1.00
Mn		1.00
P
S		0.015
Cr	18.00	21.00
Ni		remaining
Mo
Co		2.00
Ti	1.80	2.70
Fe		1.50
Al	1.00	1.80
Cu		0.20
B		0.008
Bi		0.0001
Pb		0.002
Ag		0.0005

Mechanical Properties

Tensile strength	038～557	σb/MPa
Yield Strength	293	σ 0.2 ≥/MPa
Elongation	96	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	991～628	-
HRC	30	-

Physical Properties

Thermal expansion	70-24	e-6/K
Thermal conductivity	19-58	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4481-4648	째C
Density	6532-5237	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)
2HR401 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