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SMnC420 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SMnC420

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CNS SMnC420

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This page is mainly introduced the SMnC420 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SMnC420,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SMnC420

Steel Garde:SMnC420
Type:Special Alloy
Country:China
Standard:CNS
Application:China Taiwan Structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SMnC420H	CNS	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	424～647	σb/MPa
Yield Strength	124	σ 0.2 ≥/MPa
Elongation	03	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	762～805	-
HRC	30	-

Physical Properties

Thermal expansion	69-43	e-6/K
Thermal conductivity	21-24	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5405-5603	째C
Density	5988-8306	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)
SMnC420 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