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S20C chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S20C

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CNS S20C

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This page is mainly introduced the S20C chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S20C,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
S20C

Steel Garde:S20C
Type:Special Alloy
Country:China
Standard:CNS
Application:China Taiwan Structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
S20CK	CNS	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	737～266	σb/MPa
Yield Strength	204	σ 0.2 ≥/MPa
Elongation	79	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	149～794	-
HRC	30	-

Physical Properties

Thermal expansion	45-54	e-6/K
Thermal conductivity	45-50	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7553-0262	째C
Density	6161-2273	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)
S20C 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