TONNAGE CHART brought to you by POWER BRAKE DIES, INC.
TONNAGE CHART brought to you by POWER BRAKE DIES, INC.
| THICKNESS OF METAL |
WIDTH OF FEMALE DIE OPENING | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GAUGE | INCHES | 1/4" | 5/16" | 3/8" | 1/2" | 5/8" | 3/4" | 7/8" | 1" | 1.125" | 1.25" | 1.5" | 2" | 2.5" | 3" | 3.5" | 4" | 5" | 6" | 7" | 8" | 10" | 12" |
| 20 18 16 |
.036 .048 .060 |
2.9 |
2.2 4.0 |
1.7 2.9 5.6 |
1.2 2.2 3.6 |
1.0 1.6 2.7 |
1.3 2.2 |
1.7 |
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| 14 13 12 |
.075 .090 .105 |
6.0 |
4.5 6.8 10.1 |
3.4 5.4 7.4 |
3.0 4.3 6.3 |
2.5 3.7 5.4 |
2.1 3.3 4.4 |
2.9 4.0 |
3.2 |
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| 11 10 9 |
.120 .135 .150 |
10.5 |
8.8 11.3 |
7.2 9.6 13.1 |
6.2 8.4 11.9 |
5.4 7.0 9.0 |
4.3 5.6 6.7 |
3.2 4.1 5.2 |
3.5 |
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| 7 1/4 5/16 |
.188 .250 .312 |
16.4 |
14.0 28.8 |
11.2 22.0 38.0 |
7.6 15.3 26.0 |
5.8 11.5 19.2 |
4.5 9.1 16.0 |
7.5 12.5 |
6.2 10.6 |
7.6 |
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| 3/8 7/16 1/2 |
.375 .437 .500 |
41.0 |
29.9 45.2 |
24.0 35.0 47.9 |
19.4 28.0 39.0 |
16.0 24.0 33.1 |
12.3 17.0 24.0 |
14.6 19.0 |
11.1 15.6 |
12.7 |
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| 5/8 3/4 7/8 1" |
.625 .750 .875 1.00 |
WITH THESE THICKNESS IT IS USUAL PRACTICE TO HAVE DIE OPENING AT LEAST 10 x METAL THICKNESS |
69.5 |
58.0 92.0 |
42.2 69.0 104.0 |
32.4 52.2 80.0 112.2 |
26.0 42.2 63.0 90.0 |
23.0 36.0 52.5 76.0 |
16.5 27.0 39.4 56.2 |
21.0 31.2 44.0 |
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| AIR FORM RADIUS |
1/32 | 3/64 | 1/16 | 5/64 | 3/32 | 1/8 | 9/64 | 5/32 | 11/64 | 3/16 | 15/64 | 5/16 | 25/64 | 15/32 | 35/64 | 5/8 | 25/32 | 15/16 | 1.09" | 1.25" | 1.56" | 1.87" | |
| MIN. FLANGE INS. DIM. |
3/16 | 7/32 | 1/4 | 5/16 | 7/16 | 1/2 | 9/16 | 5/8 | 11/16 | 3/4 | 15/16 | 1.188" | 1.438" | 1.75" | 2" | 2.25" | 2.75" | 3.38" | 4" | 4.5" | 5.5" | 6.5" | |
|
PRESSURES IN RED ARE FOR DIES WITH FEMALE OPENINGS APPROX. 8 x METAL THICKNESS, WITH RADIUS ON MALE DIE EQUAL TO METAL THICKNESS, AND ARE CONSIDERED IDEAL FOR RIGHT ANGLE BENDING. | |||||||||||||||||||||||
| Bending Pressures Required For Other Metals As Compared To 60,000 P.S.I. Tensile Mild Steel On Chart: | |||||||||||||||||||||||
|
SOFT BRASS ...........50% OF PRESSURE LISTED SOFT ALUMINUM ........50% OF PRESSURE LISTED ALUMINUM ALLOYS (Heat Treated)...SAME AS STEEL |
STAINLESS STEEL ...........50% MORE THAN STEEL CHROME MOLYBDENUM ....100% MORE THAN STEEL A36 STEEL ............30% MORE THAN STEEL |
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