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SNCM220 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SNCM220

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CNS SNCM220

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This page is mainly introduced the SNCM220 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SNCM220,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SNCM220

Steel Garde:SNCM220
Type:Special Alloy
Country:China
Standard:CNS
Application:China Taiwan Structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SNCM220H	CNS	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	278～878	σb/MPa
Yield Strength	681	σ 0.2 ≥/MPa
Elongation	59	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	722～269	-
HRC	30	-

Physical Properties

Thermal expansion	81-19	e-6/K
Thermal conductivity	18-17	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6368-5560	째C
Density	6533-1738	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)
SNCM220 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