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EVl7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of EVl7

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UNS EVl7

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This page is mainly introduced the EVl7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of EVl7,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Steel for exhaust valves

Steel Garde:EVl7
Type:Stainless Steels
Country:USA
Standard:UNS
Application:Steel for exhaust valves

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 493 S30430	SAE	USA
A 959 S30430	SAE	USA
F 837 Class A1-50 S30430	SAE	USA
F 837 Class A1-55 S30430	SAE	USA
F 837 Class A1-70 S30430	SAE	USA
F738 Class A1-70 S30430	SAE	USA
F738 Class A1-50 S30430	SAE	USA
F738 Class A1-80 S30430	SAE	USA
F836 Class A1-50 S30430	SAE	USA
F836 Class A1-50 S30430	SAE	USA
F836 Class A1-80 S30430	SAE	USA
S30430	AISI	USA
S30430	UNS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.10
Si		1.00
Mn		2.00
P		0.045
S		0.030
Cr	17.0	19.0
Ni	8.00	10.0
Cu	3.00	4.00

Mechanical Properties

Tensile strength	778～556	σb/MPa
Yield Strength	515	σ 0.2 ≥/MPa
Elongation	41	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	972～116	-
HRC	30	-

Physical Properties

Thermal expansion	67-23	e-6/K
Thermal conductivity	58-24	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3630-1575	째C
Density	5645-8206	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)
EVl7 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