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

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CNS CNS 440A

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This page is mainly introduced the CNS 440A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of CNS 440A,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 440A
Type:Special Alloy
Country:China
Standard:CNS
Application:CNS standard martensite stainless steel

Relevant products:

1.4109 / 440A /...

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
AISI 440A	AISI	China
ASTM 440A	ASTM	USA
SUS440A	JIS	Japan
STS440A	KS	Korea
STS440A	KS	Korea
CNS 440A	CNS	China
CNS 440A	CNS	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	674～027	σb/MPa
Yield Strength	165	σ 0.2 ≥/MPa
Elongation	99	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	738～876	-
HRC	30	-

Physical Properties

Thermal expansion	55-89	e-6/K
Thermal conductivity	88-98	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3413-7795	째C
Density	7447-8321	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 440A 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