Aluminum Tees – Series 7178

Aluminum Tees – Series 7178 is a wrought aluminum alloy with a T-shaped cross-section, known for its excellent corrosion resistance, durability, and formability. Its high strength-to-weight ratio makes it an efficient and cost-effective solution for demanding projects. This tee is widely used in various industries, including aerospace, transportation, and construction, where high strength, corrosion resistance, and durability are crucial.

Applications:

– Aerospace industry
– Transportation industry (automotive, marine, etc.)
– Construction industry (building structures, bridges, etc.)
– Heavy machinery and equipment
– Chemical and petrochemical plants

Standards:

– ASTM B308
– ASME SB308
– ISO 9001
– ISO 14001
– OHSAS 18001

Common Sizes:

– 2″ x 2″ x 1/4″ (5.08 cm x 5.08 cm x 0.64 cm)
– 3″ x 3″ x 1/4″ (7.62 cm x 7.62 cm x 0.64 cm)
– 4″ x 4″ x 1/4″ (10.16 cm x 10.16 cm x 0.64 cm)
– 5″ x 5″ x 1/4″ (12.7 cm x 12.7 cm x 0.64 cm)

Mechanical Properties:

– Tensile Strength: 70,000 – 80,000 psi (483 – 552 MPa)
– Yield Strength: 40,000 – 50,000 psi (276 – 345 MPa)
– Elongation at Break: 12% – 18%
– Brinell Hardness: 70 – 80 HB
– Rockwell Hardness: 70 – 80 HRB
– Impact Resistance: 50 – 70 ft-lbs (68 – 95 J)

Chemical Composition:

– Aluminum (Al): 95.00% min
– Zinc (Zn): 4.00% – 5.00%
– Magnesium (Mg): 2.50% – 3.50%
– Copper (Cu): 0.10% – 0.20%
– Chromium (Cr): 0.05% – 0.20%