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16640 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 16640

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CSN 16640

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This page is mainly introduced the 16640 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 16640,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
16640

Steel Garde:16640
Type:Special Alloy
Country:Czech Republic
Standard:CSN
Application:The Czech republic Structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
416640	CSN	Czech Republic

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	742～585	σb/MPa
Yield Strength	168	σ 0.2 ≥/MPa
Elongation	98	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	099～626	-
HRC	30	-

Physical Properties

Thermal expansion	98-98	e-6/K
Thermal conductivity	86-89	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5784-1402	째C
Density	6804-8715	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)
16640 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