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SUS 420F chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 420F

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JIS SUS 420F

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This page is mainly introduced the SUS 420F chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 420F,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless steel wires

Steel Garde:SUS 420F
Type:Stainless Steels
Country:Japan
Standard:JIS
Standard Number:

ITEM Standard Number Descriptions

1 G 4309 (1999) Stainless steel wires
Metallographic Structure:Martensite
Application:Stainless steel wires

ITEM	Standard Number	Descriptions
1	G 4309 (1999)	Stainless steel wires

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SUS 420F	JIS	Japan
SUS 420F	JIS	Japan
SUS 420F	JIS	Japan
SUS 420F2	JIS	Japan
SUS 420F2	JIS	Japan
SUS 420F2	JIS	Japan
SUS 420F2	JIS	Japan

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.26	0.40
Si		1.00
Mn		1.00
P		0.06
S		0.15
Cr	12.00	14.00
Ni		0.60
Mo		0.60
N

Mechanical Properties

Tensile strength	219～558	σb/MPa
Yield Strength	196	σ 0.2 ≥/MPa
Elongation	98	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	744～075	-
HRC	30	-

Physical Properties

Thermal expansion	31-34	e-6/K
Thermal conductivity	81-27	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1519-9522	째C
Density	9263-4532	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)
SUS 420F 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