High quality special steel supplier.Old rev.

  • Certified Company

    DNV&ABS

  • Certified Company

    ISO 9001:2008

  • R&D Production

    In China
Get a Quote

UNE El721

El721


El721 material is Spain structural alloy steel.

Chemical composition of El721, El721 mechanical properties, El721 datasheet, El721 equivalent grade, Heat treatment and temperature process of El721.


El721 property sheet

El721 Spec.

Related Materials

HEV2
N07002

Chemical Composition of El721

C 0.28-0.35
Si 0.15-0.40
Mn 0.40-0.70
P 0.035
S 0.035
Cr 2.30-2.80
Mo 0.30-0.50

Mechanical Properties of El721

Rp0.2 (MPa) 277 (≥)
Rm (MPa) 176 (≥)
AKV (J) 12
A (%) 21
Z (%) 32
Hardness HBW 243

El721 shape and dimensions

El721 Round bar: 1mm-800mm
El721 Square bar: 10mm * 10mm-600mm *600mm
El721 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
El721 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
El721 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
El721 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

  • Ph: +86-1388-0247-006
  • Email: sales@steelss.com

©Longhai Special Steel © 2005-2024