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CN40 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of CN40

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SS CN40

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This page is mainly introduced the CN40 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of CN40,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Steel Garde:CN40
Type:Special Alloy
Country:Sweden
Standard:SS
Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
CN40	SS	Sweden

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	900～588	σb/MPa
Yield Strength	521	σ 0.2 ≥/MPa
Elongation	74	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	652～469	-
HRC	30	-

Physical Properties

Thermal expansion	26-37	e-6/K
Thermal conductivity	67-74	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8285-8733	째C
Density	8257-3372	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)
CN40 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