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STC3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STC3

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STC3

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This page is mainly introduced the STC3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STC3,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Steel Garde:STC3
Type:Special Alloy
Country:Korea
Application:Carbide for cutting tools

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	376～362	σb/MPa
Yield Strength	995	σ 0.2 ≥/MPa
Elongation	99	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	212～631	-
HRC	30	-

Physical Properties

Thermal expansion	00-93	e-6/K
Thermal conductivity	61-43	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8365-0782	째C
Density	4305-4724	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)
STC3 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