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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	758～377	σb/MPa
Yield Strength	273	σ 0.2 ≥/MPa
Elongation	68	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	878～450	-
HRC	30	-

Physical Properties

Thermal expansion	36-51	e-6/K
Thermal conductivity	11-61	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5835-1675	째C
Density	7246-4597	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