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UNS EVl5 Details

EVl5 Application:Steel for exhaust valves

Category Type Grade Designations
Grades Stainless Steels EVl5 USA - UNS ,

Chemical composition(wt.%) of EVl5 grade:

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
Steel for exhaust valves

Mechanical properties of grade EVl5

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
126 (≥) 582 (≥) 12 22 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical properties of grade EVl5

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
255 (≥) 375 (≥) 32 23 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 344
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
131 295 556

EVl5 - Form of Supply

Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
EVl5 UNS USA
Steel for exhaust valves
S63018 UNS USA
Steel for exhaust valves

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