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SUS 420J2TKA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 420J2TKA

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JIS SUS 420J2TKA

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This page is mainly introduced the SUS 420J2TKA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 420J2TKA,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 420J2TKA
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
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

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.26	0.40
Si		1.00
Mn		1.00
P		0.04
S		0.03
Cr	12.00	14.00
Ni		0.60
Mo

Mechanical Properties

Tensile strength	346～342	σb/MPa
Yield Strength	117	σ 0.2 ≥/MPa
Elongation	38	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	322～573	-
HRC	30	-

Physical Properties

Thermal expansion	68-43	e-6/K
Thermal conductivity	40-29	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5257-2375	째C
Density	8834-2642	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 420J2TKA 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