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STS434 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS434

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KS STS434

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This page is mainly introduced the STS434 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS434,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
STS434

Steel Garde:STS434
Type:Special Alloy
Country:Korea
Standard:KS
Application:Ferritic Steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
STS434	KS	Korea

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	424～205	σb/MPa
Yield Strength	315	σ 0.2 ≥/MPa
Elongation	32	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	955～121	-
HRC	30	-

Physical Properties

Thermal expansion	86-92	e-6/K
Thermal conductivity	13-90	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1939-4916	째C
Density	9645-2712	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)
STS434 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