English 
Round Straight Perforated metal is manufactured by using punches or presses to create a series of holes, bars or decorative patterns in sheet. It has countless applications and can be easily custom manufactured according to requirements.
Some common techinical datas:
Various materials: mild steel, hot dip galvanized, stainless steel, aluminum, copper etc.
Thickness: 0.2-20mm
Aperture: 0.5-200mm
Size: 1200x2400mm or cut to size according to customer's demands.
Surface treatment: mill finish, galvanized.
We almost have all the moulds of round perforated metal.
Perforation (inch) | Type centers | Holes PSI | Open rate |
| .020 | straight | 825 | 30% |
| .020 | staggered | 625 | 23% |
| .023 | straight | 576 | 24% |
| .023 | staggered | 400 | 18% |
| .... | ..... | .... | ...... |
| .156 | 3/8'' | staggered | 15% |
| .172 | 1/4'' | staggered | 43% |
| .172 | 3/8'' | staggered | 19% |
| .180 | 9/32'' | staggered | 35% |
| .... | .... | .... | .... |
| .875 | 1-1/8'' | staggered | 50% |
| 1.0 | 1-1/4'' | staggered | 58% |
| 1.0 | 1-3/8'' | staggered | 48% |
Perforated metal products has countless applications, mainly contains:
- Filtration: acoustical enclosures and lighting fixtures.
- Architecture: home appliances, electronic enclosures, farm equipments, pharmaceutical and store displays & fixtures
- Speaker grilles
- Grain dryers
Please download for more information:
