3.6.3 Spool and coil weights. Spools and coils shall be furnished in
weights specified in the applicable electrode specification.
3.6.4 Cast and helix. The cast and helix of spooled and coiled electrodes
shall be such as to have imparted to the electrode a curvature such that a speci-
men sufficient in length to form one loop when cut therefrom and placed on a flat
surface shall form an unrestrained circle within diametrical limits specified in
Cast and helix requirements.
Vertical separation between overlapped ends.
Not less than the original inside coil diameter.
Not greater than 2.5 times original inside coil diameter.
Alloyed cored electrodes shall be suitable for uniform uninterrupted feeding
on automatic and semiautomatic welding equipment.
3.6.5 Spool and coil dimensions.
188.8.131.52 Form 3a. Spools used for form 3a electrode shall be as shown on
figure 1 and the notes thereto.
184.108.40.206 Form 3b. Spools used for form 3b electrode shall be as shown on
figure 2 and the notes thereto.
Forms 3c, 3d and 3e.
Coil dimensions shall be as specified in
Coil dimensions and accessories.