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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.
Cold finished stainless steel bars

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

ITEM Standard Number Descriptions

1 G 4318 (2007) Cold finished stainless steel bars
Metallographic Structure:Martensite
Application:Cold finished stainless steel bars

ITEM	Standard Number	Descriptions
1	G 4318 (2007)	Cold finished stainless steel bars

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	685～987	σb/MPa
Yield Strength	206	σ 0.2 ≥/MPa
Elongation	24	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	492～656	-
HRC	30	-

Physical Properties

Thermal expansion	91-63	e-6/K
Thermal conductivity	74-23	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9844-2137	째C
Density	0343-3457	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