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SN490C chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SN490C

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CNS SN490C

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This page is mainly introduced the SN490C chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SN490C,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SN490C

Steel Garde:SN490C
Type:Special Alloy
Country:China
Standard:CNS
Application:China Taiwan Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	730～941	σb/MPa
Yield Strength	128	σ 0.2 ≥/MPa
Elongation	05	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	320～912	-
HRC	30	-

Physical Properties

Thermal expansion	14-49	e-6/K
Thermal conductivity	96-25	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4729-9114	째C
Density	5979-7605	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)
SN490C 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