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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.
CNS standard mechanical and structure with stainless steel pipe

Steel Garde:420J1TKA
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 420J1TKA	JIS	Japan

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.16	0.25
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	739～622	σb/MPa
Yield Strength	750	σ 0.2 ≥/MPa
Elongation	66	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	457～354	-
HRC	30	-

Physical Properties

Thermal expansion	69-52	e-6/K
Thermal conductivity	66-38	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8318-7018	째C
Density	1584-1871	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 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