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HR203 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of HR203

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B.S. HR203

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This page is mainly introduced the HR203 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of HR203,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for nickel-chromium-titanium heat-resisting alloy plate, sheet and strip (nickel base, Cr 19.5, Ti 0.4)

Steel Garde:HR203
Type:Stainless Steels
Country:UK
Standard:B.S.

Standard Number:

ITEM	Standard Number	Descriptions
1	BS HR 203	Specification for nickel-chromium-titanium heat-resisting alloy plate, sheet and strip (nickel base, Cr 19.5, Ti 0.4)
2	BS 2HR 203 (2009)	Specification for nickel-chromium-titanium heat-resisting alloy plate, sheet and strip (nickel base, Cr 19.5, Ti 0.4)

Application:Specification for nickel-chromium-titanium heat-resisting alloy plate, sheet and strip (nickel base, Cr 19.5, Ti 0.4)

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.08	0.15
Si		1.00
Mn		1.00
P
S		0.020
Cr	18.00	21.00
Ni		remaining
Mo
Co		0.50
Ti	0.20	0.60
Fe		5.00
Cu		0.50
Pb		0.005

Mechanical Properties

Tensile strength	250～404	σb/MPa
Yield Strength	627	σ 0.2 ≥/MPa
Elongation	92	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	401～108	-
HRC	30	-

Physical Properties

Thermal expansion	27-90	e-6/K
Thermal conductivity	17-57	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3808-4743	째C
Density	0269-9296	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)
HR203 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