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SM490A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SM490A

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CNS SM490A

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This page is mainly introduced the SM490A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SM490A,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SM490A

Steel Garde:SM490A
Type:Special Alloy
Country:China
Standard:CNS
Application:China Taiwan Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	837～207	σb/MPa
Yield Strength	981	σ 0.2 ≥/MPa
Elongation	57	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	046～584	-
HRC	30	-

Physical Properties

Thermal expansion	26-00	e-6/K
Thermal conductivity	26-66	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3767-1845	째C
Density	7377-8117	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)
SM490A 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