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420J1TKA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 420J1TKA

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CNS 420J1TKA

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This page is mainly introduced the 420J1TKA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 420J1TKA,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
420J1TKA

Steel Garde:420J1TKA
Type:Special Alloy
Country:China
Standard:CNS
Application:China Taiwan Stainless steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SUS420J1TKA	JIS	Japan
STS420J1TKA	KS	Korea

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	921～424	σb/MPa
Yield Strength	206	σ 0.2 ≥/MPa
Elongation	15	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	879～762	-
HRC	30	-

Physical Properties

Thermal expansion	20-36	e-6/K
Thermal conductivity	20-88	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9730-3255	째C
Density	1908-2643	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)
420J1TKA 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