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CNS 440F chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of CNS 440F

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CNS CNS 440F

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This page is mainly introduced the CNS 440F chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of CNS 440F,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
CNS standard martensite stainless steel

Steel Garde:CNS 440F
Type:Special Alloy
Country:China
Standard:CNS
Application:CNS standard martensite stainless steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
AISI 440F	AISI	USA
AISI 440F Se	AISI	USA
Type440F	UNS	USA
Type440F	UNS	USA
SUS440F	JIS	Japan
STS440F	KS	Korea
STS440F	KS	Korea
CNS 440F	CNS	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	268～372	σb/MPa
Yield Strength	887	σ 0.2 ≥/MPa
Elongation	49	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	296～294	-
HRC	30	-

Physical Properties

Thermal expansion	47-24	e-6/K
Thermal conductivity	18-53	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7436-7576	째C
Density	7404-9436	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)
CNS 440F 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