ASTM A666 Free Bend Requirements

[franklineng]

Customer drawing calls for minimum bend radius on 304 ASTM A666 stainless steel. ASTM specifications give a Bend Factor of 1 for Thicknesss>0.050 to <= 0.1874in. for Free Bending and Bend Factor of 3 for V-Block Bending. Is air bending regarded as "Free Bending"?

 

[EdStainless]

It is usually done with guides, but it isn't like between dies.

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