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

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UNS EVl

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

Cross Reference Table(Equivalent Materials):

Material Standard Country
EV2 UNS USA
EVll UNS USA
S63011 AISI USA
EVl2 UNS USA
S63012 AISI USA
EVl3 UNS USA
S63013 AISI USA
EVl4 UNS USA
EVl5 UNS USA
S63018 UNS USA
EVl6 UNS USA
EVl7 UNS USA
HEVl UNS USA
R30155 AISI USA

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.45 
Si 0.50 
Mn 0.50 
Cr 23.5 
Ni 4.80 
Mo 2.80 

Mechanical Properties

Tensile strength 405~000 σb/MPa
Yield Strength 988 σ 0.2 ≥/MPa
Elongation 97 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 472~213 -
HRC 30 -

Physical Properties

Thermal expansion 16-39 e-6/K
Thermal conductivity 16-95 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2800-8877 째C
Density 8525-9231 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)
EVl 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

Technical specification/standard for download