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SCM420 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SCM420

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CNS SCM420

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This page is mainly introduced the SCM420 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SCM420,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SCM420

Steel Garde:SCM420
Type:Special Alloy
Country:China
Standard:CNS
Application:China Taiwan Structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SCM420H	CNS	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	272～372	σb/MPa
Yield Strength	291	σ 0.2 ≥/MPa
Elongation	48	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	321～888	-
HRC	30	-

Physical Properties

Thermal expansion	60-40	e-6/K
Thermal conductivity	79-45	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8791-7128	째C
Density	9174-0536	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)
SCM420 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