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HR208 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of HR208

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B.S. HR208

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This page is mainly introduced the HR208 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of HR208,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for nickel-chromium-iron alloy sheet, strip and plate: annealed (Nickel base, Cr 15.5, Fe 8)

Steel Garde:HR208
Type:Stainless Steels
Country:UK
Standard:B.S.

Standard Number:

ITEM	Standard Number	Descriptions
1	BS 2HR 208 (2009)	Specification for nickel-chromium-iron alloy plate, sheet and strip: annealed (nickel base, Cr 15.5, Fe 8)
2	BS HR 208	Specification for nickel-chromium-iron alloy sheet, strip and plate: annealed (Nickel base, Cr 15.5, Fe 8)

Application:Specification for nickel-chromium-iron alloy sheet, strip and plate: annealed (Nickel base, Cr 15.5, Fe 8)

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.15
Si		0.50
Mn		1.00
P
S		0.015
Cr	14.00	17.00
Ni	72.00
Mo
Co
Ti
Fe	6.00	10.00
Cu		0.50

Mechanical Properties

Tensile strength	726～942	σb/MPa
Yield Strength	981	σ 0.2 ≥/MPa
Elongation	56	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	435～790	-
HRC	30	-

Physical Properties

Thermal expansion	21-41	e-6/K
Thermal conductivity	40-85	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4092-1790	째C
Density	7336-7280	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)
HR208 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