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EVl4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of EVl4

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UNS EVl4

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This page is mainly introduced the EVl4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of EVl4,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:EVl4
Type:Stainless Steels
Country:USA
Standard:UNS
Application:Steel for exhaust valves

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）	Similar	Remarks
C	0.20
Si	0.40
Mn	6.50
P
S
Cr	21.0
Ni	5.50
N	0.20

Mechanical Properties

Tensile strength	410～612	σb/MPa
Yield Strength	451	σ 0.2 ≥/MPa
Elongation	87	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	130～533	-
HRC	30	-

Physical Properties

Thermal expansion	15-47	e-6/K
Thermal conductivity	62-47	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7708-0684	째C
Density	6933-0815	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)
EVl4 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