TABLE XIX. Type of edge of strip.
QQ-N-286G
Thickness (inches) |
Width (inches) |
Type of edge |
0.125 and less |
12 and less |
Slit 1/ |
Over 0.125 |
8 and less |
Slit 2/ |
Over 0.125 |
Over 8 |
Slit or sheared 2/ |
1/In coil or straight (random or cut) lengths.
2/In random or cut straight lengths only.
3.9.3.4.3 Plate. Unless otherwise specified (see 6.2), plate 1� inch in thickness and less shall be furnished with sheared edges; and plate over 1� inch in thickness shall be furnished with machined, abrasive or plasma torch cut edges.
3.9.3.5 Straightness. The edgewise curvature or maximum departure from straight line in any longitudinal edge on sheet and strip cut to length or in random, nominal or stock lengths shall not exceed 0.05 inch per foot of length.
3.9.4 Wire.
3.9.4.1 Diameter. The permissible tolerances in diameter of all conditions of wire shall be as specified in table XX.
3.9.4.2 Out of roundness. Wire shall not be out of round by more than one-half the total permissible tolerances specified in table XX.
3.9.4.3 Coil and spool weights. Permissible variations in coil and spool weights of cold drawn wire shall be as stated in tables XXI and XXII.
3.10 Marking. Unless otherwise specified (see 6.2), bar, rod, sheet, strip, and plate shall be marked in accordance with FED-STD-182 and in addition, shall be marked with the lot number. Individual forgings shall be marked with the specification number, heat and lot number. Identification number and markings shall not be made by chisel or other sharp instruments.
3.11 Machining allowance for hot finished material. Machining allowances shall be made for hot finished material as specified in table XXIII.
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