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STS630 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS630

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KS STS630

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This page is mainly introduced the STS630 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS630,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
STS630

Steel Garde: STS630
Type:Special Alloy
Country:Korea
Standard:KS
Application:precipitation hardened steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
STS630	KS	Korea

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	224～495	σb/MPa
Yield Strength	289	σ 0.2 ≥/MPa
Elongation	78	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	531～533	-
HRC	30	-

Physical Properties

Thermal expansion	02-55	e-6/K
Thermal conductivity	84-00	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6891-7166	째C
Density	4448-5151	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)
STS630 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