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

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AS 420

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

Steel Garde:420
Type:Special Alloy
Country:Australia
Standard:AS
Application:Australia Stainless steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
S42010	UNS	USA
S42010	UNS	USA
S42023	UNS	USA
S42023	UNS	USA
Type420FSe	UNS	USA
Type420FSe	UNS	USA
SUS420J1	JIS	Japan
SUS420J2	JIS	Japan
SUS420F	JIS	Japan
SUS420F2	JIS	Japan
SUS420J2-CPS	JIS	Japan
SUS420J1FB
SUS420J2FB	JIS	Japan
SUS420J1TKA	JIS	Japan
SUS420J2TKA	JIS	Germany
420S37		UK
420S45		UK
STS420J1	KS	Korea
STS420J1	KS	Korea
STS420J2	KS	Korea
STS420J2	KS	Korea
STS420F	KS	Korea
STS420F	KS	Korea
STS420F2	KS	Korea
STS420F2	KS	Korea
UNS J94203	AISI	USA
UNS J94204	AISI	USA
UNS J42045	AISI	USA
UNS J42065	AISI	USA
CNS 420J1	CNS	China
CNS 420J2	CNS	China
CNS 420F	CNS	China
CNS 420J2-CPS	CNS	China
STS420J1TKA	KS	Korea
STS420J2TKA	KS	Korea
S420MC	UNE	Spain
S420NC	UNE	Spain
S420MC	UNE	Spain
S420NC	UNE	Spain
S420N	UNE	Spain
S420NL	UNE	Spain
S420M	UNE	Spain
S420ML	UNE	Spain
P420M	UNE	Spain
P420ML1	UNE	Spain
P420ML2	UNE	Spain
P420NH	UNE	Spain
P420QH	UNE	Spain
414209	CSN	Czech Republic
416420	CSN	Czech Republic

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	345～346	σb/MPa
Yield Strength	165	σ 0.2 ≥/MPa
Elongation	56	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	085～726	-
HRC	30	-

Physical Properties

Thermal expansion	23-62	e-6/K
Thermal conductivity	65-89	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7322-2053	째C
Density	4315-2373	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)
420 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