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419720 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 419720

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CSN 419720

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This page is mainly introduced the 419720 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 419720,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
419720

Steel Garde:419720
Type:Special Alloy
Country:Czech Republic
Standard:CSN
Application:The Czech republic tool steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	796～600	σb/MPa
Yield Strength	815	σ 0.2 ≥/MPa
Elongation	67	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	126～401	-
HRC	30	-

Physical Properties

Thermal expansion	14-61	e-6/K
Thermal conductivity	99-34	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8193-7337	째C
Density	9190-8808	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)
419720 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