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Ford F150 975 Axle Bead Weld

...In strength, diameter counts for almost as much as wall thickness, but the Ford is still rated 500 to 1,000 pounds below the Dana 60's Gross Axle Weight (GAW) rating. Note the bead of welded material (arrow) that gives away the tube's HREW (Hot Rolled Electric Welded) construction.
Ford F-150 9.75 Axle Build - Unsung Hero

 ...In strength, diameter counts for almost as much as wall thickness, but the Ford is still rated 500 to 1,000 pounds below the Dana 60's Gross Axle Weight (GAW) rating. Note the bead of welded material (arrow) that gives away the tube's HREW (Hot Rolled Electric Welded) construction.  View Related Article

 

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