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SUS420J2FB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS420J2FB

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JIS SUS420J2FB

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This page is mainly introduced the SUS420J2FB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS420J2FB,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SUS420J2FB

Steel Garde:SUS420J2FB
Type:Special Alloy
Country:Japan
Standard:JIS
Application:martensitic stainless steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	616～294	σb/MPa
Yield Strength	809	σ 0.2 ≥/MPa
Elongation	72	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	473～885	-
HRC	30	-

Physical Properties

Thermal expansion	13-86	e-6/K
Thermal conductivity	40-67	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1732-5038	째C
Density	4276-1802	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)
SUS420J2FB 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