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

Location » Home » Grades > Stainless Steels > EVl4

UNS EVl4

Profile

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

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 239~277 σb/MPa
Yield Strength 283 σ 0.2 ≥/MPa
Elongation 03 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 643~810 -
HRC 30 -

Physical Properties

Thermal expansion 01-72 e-6/K
Thermal conductivity 88-66 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3131-7681 째C
Density 0488-3956 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

Technical specification/standard for download

Hot keywords:EVl421-5-7
Previous: S63013
Next: EVl5