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SCM420H chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SCM420H

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CNS SCM420H

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This page is mainly introduced the SCM420H chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SCM420H,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SCM420H

Steel Garde:SCM420H
Type:Special Alloy
Country:China
Standard:CNS
Application:China Taiwan Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	878～400	σb/MPa
Yield Strength	417	σ 0.2 ≥/MPa
Elongation	97	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	611～241	-
HRC	30	-

Physical Properties

Thermal expansion	72-66	e-6/K
Thermal conductivity	25-69	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3366-5882	째C
Density	0451-2142	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)
SCM420H 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