SPACE 2009
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AS 9120
Plates
Sheets
Rod/Round Bar/Flat Bar
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7475 alclad
AMS 4207 / AlZn5.5MgCu / 7475 alclad / T61
| 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) | 5,10 - 6,20 |
| Aluminium (Al) | Balance |
| Physical Properties | Value |
| Density | 2,81 g/cm³ |
| Melting Point | 477 °C |
| Thermal Expansion | 24,3 µm/m.°C |
| Modulus of Elasticity | 71,7 GPa |
| Thermal Conductivity | 138 W/m.K |
| Electrical Resistivity | %34 IACS |
| Mechanical Properties | Value |
| Proof Strength | 490 MPa |
| Yield Strength | 517 MPa |
| Shear Strength | 340 MPa |
| Elongation A50 mm | %11 |
| Hardness | 70.3 GPa |
Alcald Sheet as; AMS 5207, DMS 2234
Bare Sheet as; AMS 4084
Alloy 7475, UNS A97475
AlZn5.5MgCu
Also;
7475 T61 Alclad Sheet, as EN 3332
7475 T61 Bare Sheet is known as EN 3333.
MINIMUM BASIC MECHANICAL VALUES FOR 7475 T61:
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) 563 520
Yield Strength, ksi (MPa) 491 455
Elongation, % 9 9
KIc: ksi√in.(MPa√m)*
Temper Thickness T-L
T61 0.040-0.125 in. 74.0 (81.4)
Bare (1.02-3.18 mm)
0.126-0.249 in. 61.0 (66.9)
(3.20-6.32 mm)
T61 0.040-0.125 in. 75.0 (82.4)
Alclad (1.02-3.18 mm)
0.126-0.249 in. 62.0 (67.9)
(3.20-6.32 mm)
Choosing Factors for 7475 T61:
- Strength: Excellent
- Machining: Fair
- Weldability: Poor
- Formability: Weak
- Corrosion Resistance: Average
- Heat Treating:Yes
- Alclad Sheet
- Bare Sheet
| Mechanical Properties | |||
| Thickness (mm) | Proof Strength (Min.) | Yield Strength (Min.) | Elongation A50 mm % |
| over 1.60 up to & incl. 4.75 | 415 MPa | 485 MPa | 9 |
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