Rolled plate
Ergal
EN AW 7075

SERVICES
Custom cuts can be made using a belt or circular saw upon request; the following processing operations are also available:

  • Creation of specially designed plates;
  • Creation of special profiles using water cutting technology;
  • Rotating circular saw cutting and finishing;
  • Round, flat, and square bar cutting;
  • Cutting and trimming for thicknesses of up to 200 mm.

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Rolled plate Ergal (EN AW 7075) data sheet
Ergal is available in a hardened, stretched, and tempered state (T651) in thicknesses of up to 200 mm.
 
Ergal 7075 is used for the construction of production moulds, as well as machinery and equipment that's subjected to significant static and dynamic stresses.

The main alloying element, which guarantees maximum hardness, is zinc; this alloy is also often used as a replacement for soft steels.
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TECHNICAL CHARACTERISTICS

Weldability

  • TIG/MIG: not suitable
  • For repairs: good

 

Surface treatments

  • Technical anodisation: good
  • Decorative anodisation: not suitable
  • Photoengraving: optimal
  • Polishability: excellent

 

Workability 

  • Very good
     

Resistance to corrosion

  • Normal atmospheres: average
  • Marine atmospheres: critical

AVAILABILITY

Ergal is available in a hardened, stretched, and tempered state (T651) in thicknesses of up to 200 mm. For greater thicknesses there are rolled materials that are not pulled; cold compress or forged materials that are quite unstable during processing and are replaced by innovative molten or cast products.

Ergal is also available in extruded or cast and machined round bars in diameters of up to 500 mm.

  • Rolled plates
  • Extruded round bars
  • Cast and turned round bars

GENERAL INFORMATION

Chemical Composition (%weight)

  Si Fe Cu Mn Mg Cr Zn Ti+Zr
min     1.20   2.10 0.18 5.10  
max 0.40 0.50 2.00 0.30 2.90 0.28 6.10 0.20

Physical properties
1 MPa = 1 N/mm2 = 0.10197 kg/mm2

  • Specific weight: 2.81 g/cm3
    Elastic modulus: 72000 MPa
  • Thermal conductivity: 115-140 W/m K
  • Electrical conductivity (T=20°C): 17-21•106 S/m
  • Thermal linear expansion coefficient: (20°-100°C): 23.6·10-6 K-1

MECHANICAL PROPERTIES

Minimum values (state T651 / standard EN 485-2)

Thickness (from…to) [mm] Rm [MPa] Rp0,2 [MPa] A50 [%]
12.5 - 25 540 470 6
26 - 50 530 460 5
51 - 60 525 440 4
61 - 80 495 420 4
81 - 90 490 390 4
91 - 100 460 360 3
101 - 120 410 300 2
121 - 127 360 260 2

 

Typical mechanical values for different thicknesses

Thickness (from…to) [mm] Rm [MPa] Rp0,2 [MPa] A50 [%] HB
8 - 25 575 510 10 175
26 - 60 565 500 10 175
61 - 80 540 465 9 175
81 - 100 510 425 9 170
101 - 127 490 390 9 170
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Sostenibilità

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BARATÈS. P.A

Via Alberto Baratè n.5

27036 Mortara (PV)

P. VAT and C.F. 00837850189

CONTACTS

Tel. 0384 92624

Fax 0384 93506

contattaci@barate.it

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ER-0248/2021

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