Expanded Metal Security Fence
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Expanded Metal Security Fences and Barriers
Expanded metal security fence or barrier systems for applications on new or retrofit fences for commercial, industrial, governmental or institutional facilities as applicable to homeland security, or where the possibility of malevolent incursion is significant.
We can also design a site specific expanded metal physical security perimeter highway barriers or portable barriers.
But this type of expanded metal fence system is not recommended for residential or public recreational facilities such as pools, schools, and kindergartens.
Expanded metal panels classification:
Type
Regular expanded metal.
Flattened expanded metal.
Class
Uncoated.
Corrosion-resisting steel.
Hot-dip zinc coated accordance with ASTM A123/A123M.
Color coating accordance with ASTM F934, and the coating no effect after 1000 h of salt spray exposure in accordance with ASTM B117.
Expanded metal security fences specification:
Fence framework
Fences height more than 8 ft.
Posts and horizontal rails, round or shapes, zinc coating or color coating, accordance with F1043 or F1083.
Fence rails:
Fences less than 10 ft in height shall have a top and bottom rail; middle rail is optional.
Fences 10 ft and higher have additional rails. Instead of a bottom rail, panels may be imbedded in concrete.
Fittings securing the mesh to the framework: nuts, bolts, vertical posts and horizontal rails, post caps, barb arms, offset line rail clamps.
Fence topping: barbed wire, barbed tape.
Barbed wire
12-4-3-14R having 4-point barbs spaced 3 in. on center.
12-4-5-14R having 4-point barbs spaced 5 in. on center.
Barbed wire arms for three to six strands of barbed wire to meet the security requirement.
Barbed tape:
18/24 in. single coil helical, 0.025 in. Thick.
18/24/30/40/60 in. single coil concertina, 0.025 in. thick.
24/30 in. double coil concertina, 0.025 in. thick.
Addition to expanded security fence structure: anti-climb panels, wind screens.
Table 1: Expanded metal panels description for security fence use
Description 1?2 in.–13R 1?2 in.–13R (.188) 3?4 in.–9R 3?4 in.–9F 1 in.–7R (.240) 1 1?2 in.— 6R
Width of panel (ft.) 3 ? 6 3 ? 6 3 ? 6 3 ? 6 3 ? 5 3 ? 5
Height of panel (ft.) 6 ? 12 6 ? 12 6 ? 12 6 ? 12 6 ? 12 6 ? 12
Diamond dimensions (in.) SWD by LWD 0.500 by 1.20 0.500 by 1.20 0.923 by 2.00 0.923 by 2.10 1.00 by 2.40 1.330 by 3.00
Percent open area 57% 25% 68% 63% 52% 63%
Strand thickness (in.) 0.092 0.09 0.134 0.120 0.170 0.198
Strand width (in.) 0.096 0.188 0.150 0.164 0.240 0.203
Weight per ft2 (lbs) 1.47 2.82 1.80 1.71 3.50 2.50
Weight galvanized (oz/ft2) 1.73 3.1 1.95 1.86 3.70 2.73
Expanded metal panel size for 1?2 in.–13R, 1?2 in.–13R (.188), 3?4 in.–9R, 3?4 in.–9F, 1 in.–7R (.240), 1 1?2 in.— 6R.
Expanded metal panels for security fence and barriers use. see table 1 for description.
Ordering/Specifying Information
When ordering or specifying expanded metal fence systems for security applications, you should supply the following items:
mesh type
finish
mesh description
fence height
post size
horizontal rails
post spacing
A galvanized expanded metal security fence with posts and three horizontal rails in the blue sky.
Expanded metal security fence.Expanded metal fencing with three lines of barbed wires on topping for power plant security perimeter barrier.
Expanded metal security fence with barbed wires topping.
Related articles: Expanded metal for general purpose fences, security fences, high security fences, extra high security fences.
Anping Mengke Wire Mesh Manufacture Co., Limited
Activity: Anping Mengke Wire Mesh Manufacture Co., Limited
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