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STR446 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STR446

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KS STR446

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This page is mainly introduced the STR446 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STR446,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
KS standard ferrite heat resistant steel

Steel Garde:STR446
Type:Special Alloy
Country:Korea
Standard:KS
Application:KS standard ferrite heat resistant steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	665～051	σb/MPa
Yield Strength	818	σ 0.2 ≥/MPa
Elongation	20	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	093～730	-
HRC	30	-

Physical Properties

Thermal expansion	63-23	e-6/K
Thermal conductivity	54-04	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1303-5133	째C
Density	4905-2529	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)
STR446 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