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

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CNS 420J2TKA

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This page is mainly introduced the 420J2TKA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 420J2TKA,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
CNS standard mechanical and structure with stainless steel pipe

Steel Garde:420J2TKA
Type:Stainless Steels
Country:China
Standard:CNS
Application:CNS standard mechanical and structure with stainless steel pipe

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SUS 420J2TKA	JIS	Japan

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

Mechanical Properties

Tensile strength	073～432	σb/MPa
Yield Strength	503	σ 0.2 ≥/MPa
Elongation	08	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	384～406	-
HRC	30	-

Physical Properties

Thermal expansion	75-31	e-6/K
Thermal conductivity	61-73	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9116-1991	째C
Density	9412-4414	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)
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