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

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UNS EVll

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This page is mainly introduced the EVll chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of EVll,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
S63011 AISI USA

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.65  0.75
Si 0.45  0.85
Mn 5.50  7.00
P   0.050
S 0.025  0.065
Cr 20.0  22.0
Ni 1.40  1.90
N 0.18  0.28

Mechanical Properties

Tensile strength 273~661 σb/MPa
Yield Strength 580 σ 0.2 ≥/MPa
Elongation 24 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 627~761 -
HRC 30 -

Physical Properties

Thermal expansion 53-49 e-6/K
Thermal conductivity 51-62 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2024-0689 째C
Density 2578-5855 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)
EVll 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