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Monode Marking Products
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Pressure Data Chart for Marking
This chart estimates the tonnage requirements for marking mild steel. To use, multiply the
proper tonnage by the number of characters to be stamped.
| Character Size | Estimated Pressure to Stamp One Character* | Depth of Impression** |
|---|
| 1/16" - .062 |
.25 ton |
.003 |
| 3/32" - .093 |
.50 ton |
.0045 |
| 1/8" - .125 |
.75 ton |
.006 |
| 5/32" - .156 |
1.00 ton |
.007 |
| 3/16" - .187 |
1.88 ton |
.007 |
| 1/4" - .250 |
2.10 ton |
.010 |
| 5/16" - .312 |
3.00 ton |
.013 |
| 3/8" - .375 |
4.00 ton |
.016 |
| 7/16" - .437 |
4.75 ton |
.016 |
| 1/2" - .500 |
5.70 ton |
.017 |
| 5/8" - .625 |
7.50 ton |
.020 |
| 3/4" - .750 |
9.25 ton |
.020 |
| 7/8" - .875 |
11.00 ton |
.020 |
| 1" - 1.00 |
13.00 ton |
.020 |
* To determine pressures for aluminum or brass multiply the above tonnage by 0.7.
For high carbon steel, multiply by 1.5.
** To determine other impression depths, mulitply the tonnage by the following:
1/2 of depth -- 0.7
2 times depth -- 1.3
3 times depth -- 1.7
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