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STS420F2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS420F2

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KS STS420F2

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This page is mainly introduced the STS420F2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS420F2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
STS420F2

Steel Garde:STS420F2
Type:Special Alloy
Country:Korea
Standard:KS
Application:martensitic steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
STS420F2	KS	Korea

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	548～560	σb/MPa
Yield Strength	571	σ 0.2 ≥/MPa
Elongation	98	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	442～276	-
HRC	30	-

Physical Properties

Thermal expansion	59-77	e-6/K
Thermal conductivity	98-73	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6279-0567	째C
Density	6630-5770	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)
STS420F2 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