Galvanized Perforated Metal
Galvanized perforated metal is made of high quality low carbon galvanized steel sheet after being perforated on the digital control perforated machines. This kind of perforated metals enjoy the features of rust resistance and corrosion resistance therefore it's widely used in corrosive environments.
Hole patterns: diamond, round, rectangular, scale, hexagonal and so on.
Surface treatment: hot-dipped galvanized and electro galvanized
Features
corrosion-resistance
Long-lasing service life
Smooth-surface
Wide range of open area percentages
Accurate hole size
Available in corrosion resistant materials
Available in lightweight material
Suitable for decorative applications
Applications:
Galvanized perforated mental is widely used as environmental protective screen of noise abatement, such as expressway, railway, subway which are passing through the cities; wall of the building, generator room, factory workshop and other acoustical boards for reducing the noise. This kind of perforated mental can be used in the ceiling of the building, the acoustical material of the wallboard, it also can be used in the exquisite ornament punching board of the building stair, balcony and environmental protection desk.
|
GAUGE |
HOLES |
CENTERS |
OPEN AREA % |
|
26 |
.037" |
.055" STRAIGHT |
36% |
|
18 |
5/64" |
1/8" |
36% |
|
22-18 |
3/32" |
5/32" |
33% |
|
20,18,16,14,11 |
1/8" |
3/16" |
40% |
|
18 |
3/16" |
7/32" |
67% |
|
18,16 |
3/16" |
1/4" |
51% |
|
22 |
1/4" |
HEX |
79% |
|
16 |
5/16" |
7/16" |
46% |
|
16 |
3/8" |
1/2" |
51% |
