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7475 alclad

AMS 4100 / AlZn5.5MgCu / 7475 alclad / T761

Chemical Properties % Value
Silicon (Si)0,00 - 0,10
Chromium (Cr)0,18 - 0,25
Manganese (Mn)0,00 - 0,06
Magnesium (Mg)1,90 - 2,60
Copper (Cu)1,20 - 1,90
Titanium (Ti)0,00 - 0,06
Iron (Fe)0,00 - 0,12
Zinc (Zn)5,20 - 6,20
Aluminium (Al)Balance
Physical Properties Value
Density2,81 g/cm³
Melting Point477 °C
Thermal Expansion23.2 µm/m.°C
Modulus of Elasticity71.7 GPa
Thermal Conductivity163 W/m.K
Electrical Resistivity% 33 IACS
Mechanical Properties Value
Proof Strength421 MPa
Yield Strength490 MPa
Shear Strength290 MPa
Elongation A50 mm%12
Hardness84 HB
7475 T761 Aluminum Sheet and 7475 T76 Aluminum Sheet are naming as the same material. 7475 T761 aluminum is preferred highly  in the aviation-aerospace industry. Because 7475 T761 has a higher toughness than 7475 T61,it has a very high resistance to general and especially exfoliation  corrosion.

 

ALLOY DESIGNATIONS
 
7475  T761 has similarities to the following standard designations and specifications ;
 

Alcald Sheet as; AMS 4100, EN 2803, 3.4377

Bare Sheet as; AMS 4085, AIR 9048-290

Alloy 7475, UNS A97475

AlZn5.5MgCu

 

MINIMUM BASIC MECHANICAL VALUES FOR ​7475 T761:

 

                                                                    Bare                  Alclad
Thickness: in.                                      0.040-0.249         0.063-0.187
(mm)                                                    (1.016-6.325)         (1.60-4.75)
Tensile Strength, ksi (MPa)                           523                    490
Yield Strength, ksi (MPa)                              456                    421
Elongation, %                                                12                      12

 

 

MINIMUM FRACTURE TOUGHNESS VALUES FOR 7475 T761:

 

                                                        KIc: ksi√in.(MPa√m)*
Temper            Thickness                         T-L

T761               0.040-0.125 in.              88.0 (96.6)
bare               (1.02-3.18 mm)
                       0.126-0.249 in.              81.0 (88.9)
                      (3.20-6.32 mm)
T761              0.040-0.125 in.              88.0 (96.6)
alclad            (1.02-3.18 mm)
                      0.126-0.249 in.              81.0 (88.9)
                     (3.20-6.32 mm)

 

 

Choosing Factors for 7475 T761:

 

  • Strength: Moderate
  • Machining: Normal
  • Weldability: Weak
  • Formability: Fair
  • Corrosion Resistance: Good
  • Heat Treating:Yes

 

Some Well-Known Applications for 7475 T761: 
 
In the production of fighter aircraft, manufactures of spacecraft.
 
In the production of parts operating at unusual speeds and momentum values in the textile industry.
 
In ship building, manufacturing of large chassis in various sectors, manufacturing of central apparatus ..
 
 
 
SUPPLIED FORMS
 
7475 T761 is supplied in  sheet form.
 
  • Alclad Sheet
  • Bare Sheet
DELIVERY:
Mechanical Properties
Thickness (mm) Proof Strength (Min.) Yield Strength (Min.) Elongation A50 mm %
over 0.5 up to & incl. 0.6 435 MPa 510 MPa 12
over 1.60 up to & incl. 4.75 386 MPa 465 MPa 9
referans metal sertifika
AS 9100
referans metal sertifika
SPACE 2009
referans metal sertifika
AS 9120

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