High quality special steel supplier.Old rev.

  • Certified Company

    DNV&ABS

  • Certified Company

    ISO 9001:2008

  • R&D Production

    In China
Get a Quote

UNS EV4

EV4


EV4 material is Steel for exhaust valves.

Chemical composition of EV4, EV4 mechanical properties, EV4 datasheet, EV4 equivalent grade, Heat treatment and temperature process of EV4.


EV4 property sheet

EV4 Spec.

Related Materials

EV4
S63017

Chemical Composition of EV4

C: 0.15 0.25
Si: 0.70 1.00
Mn: 1.00 1.50
P: Max 0.045
S: Max 0.030
Cr: 20.0 22.0
Ni: 10.5 12.5
N: 0.15 0.20

Mechanical Properties of EV4

Rp0.2 (MPa) 774 (≥)
Rm (MPa) 522 (≥)
AKV (J) 12
A (%) 14
Z (%) 22
Hardness HBW 134

EV4 shape and dimensions

EV4 Round bar: 1mm-800mm
EV4 Square bar: 10mm * 10mm-600mm *600mm
EV4 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
EV4 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
EV4 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
EV4 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

Our Materials

Why Our Service?

Let’s Start Work
Together

Get a Quote

Quick Contact

©Longhai Special Steel 2025