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EV2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of EV2

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UNS EV2

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This page is mainly introduced the EV2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of EV2,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:EV2
Type:Stainless Steels
Country:USA
Standard:UNS
Application:Steel for exhaust valves

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）	Similar	Remarks
C	0.40
Si	0.80
Mn	4.30
Cr	24.0
Ni	3.80
Mo	1.40

Mechanical Properties

Tensile strength	531～465	σb/MPa
Yield Strength	809	σ 0.2 ≥/MPa
Elongation	21	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	103～178	-
HRC	30	-

Physical Properties

Thermal expansion	44-63	e-6/K
Thermal conductivity	45-42	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6374-7695	째C
Density	7102-4627	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)
EV2 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