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7012

AMS QQ-A-200/11 / AlZn6Mg2Cu / 7012 / T6

化学性质 % 值
Silicon (Si)0,00 - 0,15
Chromium (Cr)0,00 - 0,04
Manganese (Mn)0,08 - 0,15
Magnesium (Mg)1,80 - 2,20
Copper (Cu)1,20 - 2,00
Titanium (Ti)0,02 - 0,08
Iron (Fe)0,00 - 0,25
Zinc (Zn)5,80 - 6,50
Aluminium (Al)Balance
物理特性
Density2.84 g/cm³
Melting Point470 °C
Thermal Expansion23.6 x 10^-6 /K
Modulus of Elasticity70 GPa
Thermal Conductivity124 W/m.K
Electrical Resistivity%31 IACS
机械性能
Proof Strength540 MPa
Yield Strength590 MPa
Shear Strength354 MPa
Elongation A50 mm%7
Modulus of Elasticity70 GPa

Alloy 7012, UNS A97012, ASTM B211 ASTM B221

AlZn6Mg2Cu, 

 

TEMPER TYPES

7012 is supplied in a wide range of tempers:

 

  • O - Soft
  • F - As fabricated
  • T6 - Solution heat-treated and then artificially aged.
  • T62 - Solution heat-treated and then artificially aged. Applies to test material heat-treated from annealed or F temper or to products heat-treated from any temper by the user.
  • T651 - Solution heat-treated, stress-relieved by controlled stretching (permanent set 0.5% to 3% for sheet, 1.5% to 3% for plate, 1% to 3% for rolled or cold-finished rod and bar, 1% to 5% for hand or ring forging and rolled ring) and then artificially aged. The products receive no further straightening after stretching.
  • T6510 - Solution heat-treated, stress-relieved by controlled stretching (permanent set 1% to 3% for extruded rod, bar, shapes and tube, 0.5% to 3% for drawn tube) and then artificially aged. The products receive no further straightening after stretching.
  • T6511 - Same as T6510 except that minor straightening is allowed after stretching to comply with standard tolerances
  • T73 - Solution heat-treated and then artificially overaged in order to achieve the best stress corrosion resistance.
  • T7351 - Solution heat-treated, stress-relieved by controlled stretching (permanent set 0.5% to 3% for sheet, 1.5% to 3% for plate, 1% to 3% for rolled or cold-finished rod and bar, 1% to 5% for hand or ring forging and rolled ring) and then artificially overaged in order to achieve the best stress corrosion resistance. The products receive no further straightening after stretching.
  • T73510 - Solution heat-treated, stress-relieved by controlled stretching (permanent set 1% to 3% for extruded rod, bar, shapes and tube, 0.5% to 3% for drawn tube) and then artificially overaged in order to achieve the best stress corrosion resistance. The products receive no further straightening after stretching
  • T73511 - Same as T73510 except that minor straightening is allowed after stretching to comply with standard tolerances.
  • T76 - Solution heat-treated and then artificially overaged in order to achieve a good exfoliation corrosion resistance.
  • T76511 - Solution heat-treated, stress-relieved by controlled stretching (permanent set 1% to 3% for extruded rod, bar, shapes and tube, 0.5% to 3% for drawn tube) and then artificially overaged in order to achieve a good exfoli-ation corrosion resistance. The products receive no further straightening after stretching, except that minor straightening is allowed after stretching to comply with standard tolerances.

 

 

SUPPLIED FORMS

7012 is supplied in plate, sheet, bar and extrusions.

  • Round Bar / Bar
  • Tube / Extrusions

 

 

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