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STS420J2TKA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS420J2TKA

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KS STS420J2TKA

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This page is mainly introduced the STS420J2TKA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS420J2TKA,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:STS420J2TKA
Type:Stainless Steels
Country:Korea
Standard:KS
Standard Number:

ITEM Standard Number Descriptions

1 D 3536 (2008) Stainless steel pipes for machine and structural purposes
Application:Stainless steel pipes for machine and structural purposes

ITEM	Standard Number	Descriptions
1	D 3536 (2008)	Stainless steel pipes for machine and structural purposes

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
STS420J2	KS	Korea
STS420J2FB	KS	Korea

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.26	0.40
Si		1.00
Mn		1.00
P		0.040
S		0.030
Cr	12.00	14.00
Ni		0.60
Mo
N

Mechanical Properties

Tensile strength	134～303	σb/MPa
Yield Strength	000	σ 0.2 ≥/MPa
Elongation	08	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	513～642	-
HRC	30	-

Physical Properties

Thermal expansion	93-90	e-6/K
Thermal conductivity	09-53	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1718-5749	째C
Density	4602-6233	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)
STS420J2TKA 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