Types of Tungsten Alloy Swaging Rod Surface Finish
There are various tungsten alloy swaging rod surface finish.
First of all, it is swaged finish and cleaned finish. Swaged finish has a gray, matte finish with some minor surface irregularities due to oxidation during processing. Cleaned finish has a chemically cleaned surface.
What is more, it is the centerless ground finish. A centerless ground finish ensures uniformity of size to close tolerances. Centerless ground finish rod is supplied with a bright, polished surface. A ground-etched finish is also available on special request.
In addition, it is the machined finish . Machined finish is a bright surface typical of machined parts. Special surface roughness requirements must be specified.
Tolerance Details:
1、Clean-up Tolerance & Straightness
| Finish | Clean-up Tolerance(inches) | Straightness |
| Swaged or cleaned | 0.075 | Maximum of 0.015 per foot of length |
Clean-up tolerance means the amount of material that must be removed from the tungsten alloy swaging rod's diameter to have a totally uniform surface.
2、Diameter Tolerance
| Diameter Range(inches) | Swaged & Cleaned Finish | Centerless Ground Finish | Machined Finish |
| 0.625 to 0.749 | + 0.008 | + 0.003 | |
| 0.750 to 0.999 | + 0.010 | + 0.005 | |
| 1.000 to 1.749 | + 0.015 | + 0.008 | + 0.005 |
| 1.750 to 2.000 | + 0.030 | + 0.010 | + 0.005 |
3、Length Tolerance
| Diameter(inches) | Minimum Length(Feet) | Maximum Length (Feet) | Length Tolerance (inches) |
| 0.625 to 0.749 | + 0.008 | + 0.003 | |
| 0.750 to 0.999 | + 0.010 | + 0.005 | |
| 1.000 to 1.749 | + 0.015 | + 0.008 | + 0.005 |
| 1.750 to 2.000 | + 0.030 | + 0.010 | + 0.005 |
The two criteria for the tungsten alloy swaging rod are that the length cannot be longer than 8 feet and the weight cannot more than 50kg.
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