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419721 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 419721

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CSN 419721

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This page is mainly introduced the 419721 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 419721,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
419721

Steel Garde:419721
Type:Special Alloy
Country:Czech Republic
Standard:CSN
Application:The Czech republic tool steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	785～490	σb/MPa
Yield Strength	988	σ 0.2 ≥/MPa
Elongation	81	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	861～132	-
HRC	30	-

Physical Properties

Thermal expansion	77-64	e-6/K
Thermal conductivity	28-27	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5475-8434	째C
Density	4624-1102	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)
419721 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