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SUS 420J 2FB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 420J 2FB

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JIS SUS 420J 2FB

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This page is mainly introduced the SUS 420J 2FB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 420J 2FB,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless steel blooms and billets for forgings

Steel Garde:SUS 420J 2FB
Type:Stainless Steels
Country:Japan
Standard:JIS
Standard Number:

ITEM Standard Number Descriptions

1 G 4319 (1991) Stainless steel blooms and billets for forgings
Metallographic Structure:Martensite
Application:Stainless steel blooms and billets for forgings

ITEM	Standard Number	Descriptions
1	G 4319 (1991)	Stainless steel blooms and billets for forgings

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
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	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	905～868	σb/MPa
Yield Strength	342	σ 0.2 ≥/MPa
Elongation	80	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	533～777	-
HRC	30	-

Physical Properties

Thermal expansion	27-53	e-6/K
Thermal conductivity	59-00	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9975-3122	째C
Density	7809-8027	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 420J 2FB 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