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Type440F chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Type440F

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UNS Type440F

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This page is mainly introduced the Type440F chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Type440F,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Type440F

Steel Garde:Type440F
Type:Special Alloy
Country:USA
Standard:UNS
Application:Martensitic special steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
Type440F	UNS	USA

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	862～834	σb/MPa
Yield Strength	234	σ 0.2 ≥/MPa
Elongation	95	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	549～503	-
HRC	30	-

Physical Properties

Thermal expansion	62-39	e-6/K
Thermal conductivity	68-98	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8476-9317	째C
Density	9109-3929	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)
Type440F 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