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

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JIS SUS 420J 2TKA

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

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

ITEM Standard Number Descriptions

1 G 3446 (2012) Stainless steel pipes for machine and structural purposes
Metallographic Structure:Martensite
Application:Stainless steel pipes for machine and structural purposes

ITEM	Standard Number	Descriptions
1	G 3446 (2012)	Stainless steel pipes for machine and structural purposes

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SUS 420J 2FB	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	617～417	σb/MPa
Yield Strength	690	σ 0.2 ≥/MPa
Elongation	45	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	652～308	-
HRC	30	-

Physical Properties

Thermal expansion	22-57	e-6/K
Thermal conductivity	72-76	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8282-6225	째C
Density	0844-6914	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 2TKA 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