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HR50/45 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of HR50/45

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B.S. HR50/45

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This page is mainly introduced the HR50/45 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of HR50/45,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Steel plate, sheet and strip. Carbon and carbon-manganese plate, sheet and strip. Specification for hot rolled wide material based on specified minimum strength

Steel Garde:HR50/45
Type:Stainless Steels
Country:UK
Standard:B.S.

Standard Number:

ITEM	Standard Number	Descriptions
1	BS 1449-1-1.4	Steel plate, sheet and strip. Carbon and carbon-manganese plate, sheet and strip. Specification for hot rolled wide material based on specified minimum strength

Application:Steel plate, sheet and strip. Carbon and carbon-manganese plate, sheet and strip. Specification for hot rolled wide material based on specified minimum strength

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
HR5	B.S.	UK
HR50F45	B.S.	UK
HR50/35	B.S.	UK
HR51	B.S.	UK
HR52	B.S.	UK
HR53	B.S.	UK
HR55	B.S.	UK
2HR501	B.S.	UK

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		5.00
Ti	0.20	0.60
Fe		5.00
Al
Cu		0.50
B
Bi
Pb		0.0050
Ag

Mechanical Properties

Tensile strength	221～545	σb/MPa
Yield Strength	877	σ 0.2 ≥/MPa
Elongation	96	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	429～253	-
HRC	30	-

Physical Properties

Thermal expansion	58-10	e-6/K
Thermal conductivity	93-30	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8636-9723	째C
Density	5300-4173	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)
HR50/45 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