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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.
420J2TKA

Steel Garde:420J2TKA
Type:Special Alloy
Country:China
Standard:CNS
Application:China Taiwan Stainless steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SUS420J2TKA	JIS	Germany
STS420J2TKA	KS	Korea

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	465～445	σb/MPa
Yield Strength	069	σ 0.2 ≥/MPa
Elongation	62	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	085～595	-
HRC	30	-

Physical Properties

Thermal expansion	82-78	e-6/K
Thermal conductivity	54-83	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3850-5851	째C
Density	8031-2452	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 Special Alloy	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