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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	559～684	σb/MPa
Yield Strength	854	σ 0.2 ≥/MPa
Elongation	33	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	132～271	-
HRC	30	-

Physical Properties

Thermal expansion	70-39	e-6/K
Thermal conductivity	13-10	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4258-0754	째C
Density	0280-7948	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