S63018 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S63018

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UNS S63018

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This page is mainly introduced the S63018 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S63018,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
EVl5 UNS USA

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.28  0.38
Si 0.60  0.90
Mn 1.50  3.50
P  
S  
Cr 22.0  24.00
Ni 7.00  9.00
Mo   0.50
N 0.28  0.35

Mechanical Properties

Tensile strength 283~149 σb/MPa
Yield Strength 405 σ 0.2 ≥/MPa
Elongation 15 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 449~122 -
HRC 30 -

Physical Properties

Thermal expansion 49-68 e-6/K
Thermal conductivity 20-50 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1627-2797 째C
Density 4098-1083 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)
S63018 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