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SUS 420J2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 420J2

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JIS SUS 420J2

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This page is mainly introduced the SUS 420J2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 420J2,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 420J2
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 420J 2FB	JIS	Japan
SUS 420J 2TKA	JIS	Japan
SUS 420J2	JIS	Japan
SUS 420J2	JIS	Japan
SUS 420J2	JIS	Japan
SUS 420J2	JIS	Japan
SUS 420J2	JIS	Japan
SUS 420J2-CSP	JIS	Japan

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.16	0.25
Si		1.00
Mn		1.00
P		0.06
S		0.03
Cr	12.00	14.00
Ni		0.60
Mo
N

Mechanical Properties

Tensile strength	651～043	σb/MPa
Yield Strength	966	σ 0.2 ≥/MPa
Elongation	22	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	300～159	-
HRC	30	-

Physical Properties

Thermal expansion	55-58	e-6/K
Thermal conductivity	30-60	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4352-9221	째C
Density	6483-8298	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 420J2 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