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45SiCr90 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 45SiCr90

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STAS/SR 45SiCr90

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This page is mainly introduced the 45SiCr90 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 45SiCr90,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
45SiCr90

Steel Garde:45SiCr90
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:tool steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	191～561	σb/MPa
Yield Strength	468	σ 0.2 ≥/MPa
Elongation	47	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	827～334	-
HRC	30	-

Physical Properties

Thermal expansion	23-88	e-6/K
Thermal conductivity	70-82	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2357-2517	째C
Density	9735-5113	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)
45SiCr90 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