Aluminum Alloy 2219

  • Aluminum Alloy 2219

  • General Characteristics

    The 2219 alloy is used in aerospace applications such as space booster and fuel tanks. The alloy is weldable and resistant to stress corrosion cracking . Its useful temperature range is -452° to 600°F. The alloy also has good fracture toughness.

  • Typical Chemical Composition

    Others
    Weight % Si Fe Cu Mn Mg Zn Ti V Zr Each Total Aluminium
    Minimum — — 5.8 0.2 — — 0.02 0.05 0.10 — — Remainder
    Maximum 0.20 0.30 6.8 0.4 0.02 0.25 0.10 0.15 0.25 0.05 0.15

  • Physical Properties

    Characteristics English Metric
    Nominal density

    (68°F/20°C)

    		 0.103 lbs/in3 2.84 mg/m3
    Melting range 1010°F-1190°F 543°C-643°C
    Specific heat

    (212 °F/100°C)

    		 0.206 BTU/lb – °F 864 J/KG- °K
    Coefficient of thermal expansion Linear

    68°F – 212°F

    20°C – 100°C

    		 12.5 micro in/in- °F 22.5 micro in/in- °K
    Volumetric

    68 ºF / 20 ºC

    		 3.62 x 10– 5 in .3/in.3 – ºF 65 x 10-6 m3/m3 – ºK
    T3, T3551 67 BTU/ft- hr – °F 116 W/m – °K
    T8, T851, T8511 75 BTU/ft- hr – °F 130 W/m – °K
    Electrical conductivity

    (68°F/20°C)

    		 Equal Volume T3, T3551 28% IACS
    T8, T851, T8511 30% IACS

  • Mechanical Properties

    Temper Tensile (.500” Dia. Speciman) Hardness Shear Fatigue Modulus
    Ultimate Yield Elongation/ 4D Brinell 500 kg 10 mm Ultimate shearing strength Endurance limit-R.R.Moore type Modulus of elasticity
    KSI MPa KSI MPa KSI MPa KSI MPa KSIx103 Gpa
    T-351 52 359 36 248 17 95 — — — — 10.6 73.1
    T-851 66 455 51 352 10 125 — — 15 103 10.6 73.1
    T-37 57 393 46 317 11 — — — 15 103 10.6 73.1
    T-87 69 476 57 393 10 — — — 15 103 10.6 73.1

  • Specifications

    • AMS – 4031, 4094, 4095, 4096, 4143, 4144, 4162, 4163, QQ-A-250/30, QQ-A-430
    • Military Specifications – MIL-A-46083, MIL-A-46118
    • ASTM – B209, B211, B221
  • Request quote Print

View full Quality Metals catalogue

BROWSE CATALOGUE

BTI is proud to be the exclusive representative of in Israel, the leading company for Modular Profile solutions and related products

Read more
Skip to content