Metal Polishing

Finishes From Descaled To 0.10  Ra

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Metal Polishing

Axium’s team of stainless steel polishers are trained to provide a range of finishes from bead blasting to electropolishing.   Different industries require different finishes which can vary in cost, quality and in some cases delivery times.  Not every enquiry requires a pharmaceutical finish with full certification and testing!

Orbital:

Welds left as laid, no post weld treatment

Manual:

Welds left as laid, pickled and brushed.

0.8Ra:

Welds removed internally and externally, polished 0.8Ra.

0.4Ra:

Welds removed internally and externally, polished to 0.4Ra (top end
pharmaceutical, high value biotechnology components).

Mirror polish:

Welds removed internally and externally, Mirror polish (top end pharmaceutical, high value biotechnology components)

SURFACE MEASUREMENTS

NOMINAL
GRIT
RA
MEASUREMENT
TYPICAL APPLICATIONS AND TECHNIQUES
 Micron
(micrometer)
Micro-inch
 802.5100Dull polish – applicable for tube, bends and tees in general food processing subject to daily cleaning in place (CIP). Normal abrasive techniques achieve this.
 1001.248
1201.040
1500.832Satin polish – used by high end food and beverage plants, cosmetics, toiletries and with standard pharmaceutical and biotechnology applications. Easier to CIP. Sequential use of abrasives is required.
1800.624
2400.520
3200.416Bright polish – Top end pharmaceutical (water for injection), high value biotechnology materials, semi-conductors, solvents and pure gases. Abrasives plus electropolishing normally required.
5000.1 - 0.24 - 8

All polishing materials are certified free of animal derived products (TSE Free Certification available)

  • Finishes to 0.10µm Ra
  • All polishing materials are certified free of animal derived products (TSE Free Certification available)
  • Bead blasting, mirror and electropolishing options
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Gale RuddMetal Polishing