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STC4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STC4

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STC4

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This page is mainly introduced the STC4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STC4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Steel Garde:STC4
Type:Special Alloy
Country:Korea
Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
STC4		Korea

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	912～727	σb/MPa
Yield Strength	688	σ 0.2 ≥/MPa
Elongation	93	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	998～753	-
HRC	30	-

Physical Properties

Thermal expansion	37-78	e-6/K
Thermal conductivity	50-53	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9115-4814	째C
Density	5147-9973	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)
STC4 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