4" OD X .250 W (3.500 ID) ROUND TUBE 6061-T6511

Specifications:

ASTM B221
AMS QQA 200/8

Applications:

Structural applications, fencing, handrails, frames and columns.

How To Measure:

OD (Outside Diameter) X W (Wall) & ID (Inside Diameter)

Chemistry: Less than 3/4" thick
  • Aluminum 98
  • Copper .15/.40
  • Silicon .20/.06
  • Iron .70 max
  • Magnesium .80/1.20
  • Zinc .25 max
  • Chrome .04/.35
  • Titanium .15 max
Mechanical Properties:
  • Ultimate Tensile Strength = 43.9 min - 45.5 max ksi
  • Yield Strength = 39.10 min - 42.8 max
  • Brinell Hardness 95
  • Rockwell Hardness 60
  • % Elongation = 12%

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