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

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CNS 420F

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

Steel Garde:420F
Type:Stainless Steels
Country:China
Standard:CNS

Standard Number:

ITEM	Standard Number	Descriptions
1	G3067	Stainless steel bars
2	G3076	Stainless steel wires
3	G3077	Stainless steel wire rods

Metallographic Structure:Martensite
Application:Stainless steel wire rods

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 895 S42020	SAE	USA
S42020	AISI	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
420F2	CNS	China

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.26	0.40
Si		1.00
Mn		1.25
P		0.060
S		0.15
Ni		0.60
Cr	12.00	14.00
Mo		0.60

Mechanical Properties

Tensile strength	909～037	σb/MPa
Yield Strength	728	σ 0.2 ≥/MPa
Elongation	39	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	719～848	-
HRC	30	-

Physical Properties

Thermal expansion	11-59	e-6/K
Thermal conductivity	13-20	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7082-1170	째C
Density	9737-4616	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)
420F 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