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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	940～205	σb/MPa
Yield Strength	656	σ 0.2 ≥/MPa
Elongation	32	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	024～658	-
HRC	30	-

Physical Properties

Thermal expansion	06-12	e-6/K
Thermal conductivity	25-62	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4995-5749	째C
Density	8035-6919	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