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

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CNS 440F

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

Steel Garde:440F
Type:Stainless Steels
Country:China
Standard:CNS
Standard Number:

ITEM Standard Number Descriptions

1 G3067 Stainless steel bars
Metallographic Structure:Martensite
Application:Stainless steel bars

ITEM	Standard Number	Descriptions
1	G3067	Stainless steel bars

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 582 S44020	SAE	USA
S44020	AISI	USA
A 582 S44023	SAE	USA
S44023	AISI	USA
A 582 S44020	SAE	USA
S44020	AISI	USA
A 582 S44023	SAE	USA
S44023	AISI	USA
SUS 440F	JIS	Japan
STS440F	KS	Korea
AISI440F	AISI	USA
AISI440F Se	AISI	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.95	1.20
Si		1.00
Mn		1.25
P		0.060
S		0.15
Ni		0.60
Cr	16.00	18.00
Mo		0.75

Mechanical Properties

Tensile strength	697～023	σb/MPa
Yield Strength	370	σ 0.2 ≥/MPa
Elongation	83	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	475～902	-
HRC	30	-

Physical Properties

Thermal expansion	47-82	e-6/K
Thermal conductivity	73-35	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7967-0465	째C
Density	3102-8946	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)
440F Stainless Steels	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