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SUS440F chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS440F

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JIS SUS440F

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This page is mainly introduced the SUS440F chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS440F,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SUS440F

Steel Garde:SUS440F
Type:Special Alloy
Country:Japan
Standard:JIS
Application:Martensitic special steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	211～838	σb/MPa
Yield Strength	965	σ 0.2 ≥/MPa
Elongation	33	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	714～916	-
HRC	30	-

Physical Properties

Thermal expansion	87-01	e-6/K
Thermal conductivity	13-93	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5313-3426	째C
Density	5135-0210	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)
SUS440F 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