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SCM418 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SCM418

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CNS SCM418

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This page is mainly introduced the SCM418 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SCM418,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SCM418

Steel Garde:SCM418
Type:Special Alloy
Country:China
Standard:CNS
Application:China Taiwan Structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SCM418H	CNS	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	210～539	σb/MPa
Yield Strength	550	σ 0.2 ≥/MPa
Elongation	20	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	371～341	-
HRC	30	-

Physical Properties

Thermal expansion	12-19	e-6/K
Thermal conductivity	58-46	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6812-3543	째C
Density	6647-7179	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)
SCM418 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