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S42020 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S42020

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AISI S42020

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This page is mainly introduced the S42020 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S42020,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Martensitic Chromium Stainless Steel

Steel Garde:S42020
Type:Stainless Steels
Country:USA
Standard:AISI
Metallographic Structure:Martensite
Application:Martensitic Chromium Stainless Steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 895 S42020	SAE	USA
A 582 S42023	SAE	USA
A 895 S42023	SAE	USA
S42023	AISI	USA
A 582 S42023	SAE	USA
A 895 S42023	SAE	USA
S42023	AISI	USA
SUS 420F	JIS	Japan
SUS 420F	JIS	Japan
SUS 420F	JIS	Japan
SUS 420F	JIS	Japan
SUS 420F2	JIS	Japan
SUS 420F2	JIS	Japan
SUS 420F2	JIS	Japan
SUS 420F2	JIS	Japan
STS420F	KS	Korea
STS420F2	KS	Korea
420F	CNS	China
420F2	CNS	China

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.15
Mn		1.25
Si		1.00
P		0.06
S		0.15
Cr	12.00	14.00
Ni
Mo		0.60

Mechanical Properties

Tensile strength	897～509	σb/MPa
Yield Strength	577	σ 0.2 ≥/MPa
Elongation	41	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	731～319	-
HRC	30	-

Physical Properties

Thermal expansion	26-54	e-6/K
Thermal conductivity	38-97	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8175-1423	째C
Density	3024-5005	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)
S42020 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