3" X 4" FLAT 6061-T6511 ASTM B221

Specifications:

ASTM B221
AMS 4150
AMS QQ A 200/8

Applications:

This grade is used for a wide variety of products and applications from truck bodies, frames, screw machine parts, structural components, boat equipment and furniture etc.

How To Measure:

A (Thickness) X B (Width)

Chemistry: Less than 3/4" thick
  • Copper .15/.40
  • Silicon .40/.80
  • Iron .70 max
  • Manganese .15 max
  • Magnesium .80/1.20
  • Zinc .25 max
  • Chrome .04/.35
  • Titanium .15 max
Mechanical Properties:
  • Tensile Strength = 45,000 PSI
  • Yield Strength = 40,000 PSI min
  • % Elongation = 17% min

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