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B45 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of B45

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SS B45

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This page is mainly introduced the B45 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of B45,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Steel Garde:B45
Type:Special Alloy
Country:Sweden
Standard:SS
Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
B45	SS	Sweden
SB450	CNS	China
SB450M	CNS	China
SB450M	CNS	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	758～848	σb/MPa
Yield Strength	363	σ 0.2 ≥/MPa
Elongation	55	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	291～344	-
HRC	30	-

Physical Properties

Thermal expansion	44-17	e-6/K
Thermal conductivity	34-06	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4423-7763	째C
Density	9845-4607	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)
B45 Special Alloy	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