Maille étendue

Maille déployée : maille déployée telle qu'elle sort de la machine. Les brins et les liaisons sont placés à un angle uniforme par rapport au plan de la feuille. Cela ajoute de la résistance et de la rigidité, permet la circulation de l'air et répartit la charge sur le métal sur les cadres de support tout en créant une surface antidérapante.

Le maillage conventionnel est formé selon un motif en losange. Il existe d'autres motifs d'ouverture en forme d'hexagone, de rond, de triangle ou d'écaille.

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Le treillis déployé est polyvalent, offre des formes élégantes et une grande capacité de traitement. L'un des principaux avantages du treillis déployé est qu'il est formé d'une seule pièce de matériau et que le processus n'est pas gaspilleur et donc rentable.

Utilisation principale : traitement de surface métallique et post-traitement, largement utilisés dans les grands lieux, à la fois décoratifs intérieurs et extérieurs, aérospatiale, pétrole, industrie chimique, métallurgie, médecine, fabrication de papier, filtration, élevage, emballage, installations mécaniques, protection, fabrication artisanale, grille de haut-parleur de haute qualité, siège pour enfants, paniers, protection des autoroutes et machines lourdes, chaudières, mines de pétrole, locomotives, plates-formes de travail, escaliers, passerelles. Peut également être utilisé pour la construction, les autoroutes et les ponts comme utilisation renforcée.

The difference between common expanded metal and flattened expanded metal:

Common expanded metal: this expanded metal is made by machine stamping, stretching. It has not been processed. metal strand and bond and plane has a certain point of view, this structure increases strength and hardness of the metal, permeability, and has a good anti-skid, reinforced performance.

Flattened expanded metal: flattened expanded metal is made from common expanded metal by machine rolling flat. After a flattened, expanded metal strand and bond are in the same horizontal plane, so flattened expanded metal smooth, shiny; and flatten the meal from thickness to be thinner, strand width wider, larger mesh than the former. Generally flattened expanded metal is often applied to the wear and mesh with the requirements of the situation.

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Treillis métallique personnalisé et spécifications supplémentaires disponibles.

Carbon Steel-Standard
Specification	Design Size		Opening Strands		Size of Strands		Overall Thickness	Open Area

	(Inches)		(Inches)		(Inches)		(Inches)	(%)
	SWD	LWD	SWO	LWO	Width	Thickness
1/4" #20	0.25	1	0.125	0.718	0.072	0.036	0.135	45
1/4" #18	0.25	1	0.11	0.718	0.072	0.048	0.147	43
1/2" #20	0.5	1.2	0.438	0.938	0.072	0.036	0.14	80
1/2" #18	0.5	1.2	0.438	0.938	0.088	0.048	0.172	72
1/2" #16	0.5	1.2	0.375	0.938	0.087	0.06	0.175	65
1/2" #13	0.5	1.2	0.312	0.938	0.096	0.092	0.204	57
3/4" #16	0.923	2	0.813	1.75	0.101	0.06	0.21	78
3/4" #13	0.923	2	0.75	1.688	0.096	0.092	0.205	76
3/4" #10	0.923	2	0.75	1.625	0.144	0.092	0.29	72
(13ga)
3/4" #9	0.923	2	0.688	1.562	0.15	0.134	0.312	68
(10ga)
1" #16	1	2.4	0.938	2.062	0.087	0.06	0.192	82
1-1/2"#18	1.33	3	1.313	2.625	0.068	0.048	0.14	90
1-1/2"#16	1.33	3	1.25	2.625	0.108	0.06	0.23	85
1-1/2"#13	1.33	3	1.188	2.5	0.105	0.092	0.202	85
1-1/2"#10	1.33	3	1.188	2.5	0.138	0.092	0.284	80
(13ga)
1-1/2"#9	1.33	3	1.125	2.375	0.144	0.134	0.312	76
(10ga)
1-1/2"#6	1.33	3	1	2.313	0.203	0.198	0.433	69
(6ga)
2"#10	1.85	4	1.625	3.438	0.164	0.092	0.327	82
(13ga)

Stainless Steel-Standard
Specification	Design Size		Opening Strands		Size of Strands		Overall Thickness	Open Area

	(Inches)		(Inches)		(Inches)		(Inches)	(%)
	SWD	LWD	SWO	LWO	Width	Thickness
1/4" #18	0.25	1	0.12	0.62	0.087	0.05	0.15	30
1/2" #18	0.5	1.2	0.437	0.937	0.087	0.05	0.164	70
1/2" #16	0.5	1.2	0.437	0.937	0.087	0.062	0.164	70
1/2" #13	0.5	1.2	0.325	0.875	0.119	0.093	0.225	70
3/4" #18	0.923	2	0.812	1.75	0.106	0.05	0.2	85
3/4" #16	0.923	2	0.812	1.75	0.106	0.062	0.202	83
3/4" #13	0.923	2	0.75	1.687	0.107	0.093	0.202	80
3/4" #9	0.923	2	0.687	1.562	0.152	0.16	0.14	67
(10ga)
1-1/2"	1.333	3	1.25	2.75	0.115	0.062	0.222	85
#16
1-1/2"	1.33	3	1.25	2.625	0.115	0.093	0.222	83
#13
1-1/2"#9	1.333	3	1.125	2.5	0.144	0.134	0.312	76
(10ga)

Aluminum-Standard
Specification	Design Size		Opening Strands		Size of Strands		Overall Thickness	Open Area
	Design Size		Opening Strands		Size of Strands		Overall Thickness	Open Area
	(Inches)		(Inches)		(Inches)		(Inches)	(%)
	SWD	LWD	SWO	LWO	Width	Thickness
1/2" .051	0.5	1.2	0.375	0.937	0.093	0.051	0.158	65
1/2" .081	0.5	1.2	0.375	0.937	0.093	0.081	0.186	60
3/4" .051	0.923	2	0.813	1.175	0.109	0.051	0.2	78
3/4".081	0.923	2	0.75	1.68	0.129	0.081	0.22	76
(Lt.)	0.923	2	0.75	1.68	0.129	0.081	0.22	76
3/4".081	0.923	2	0.75	1.68	0.165	0.081	0.3	69
(Lt.)	0.923	2	0.75	1.68	0.165	0.081	0.3	69
3/4".125	0.923	2	0.688	1.68	0.169	0.125	0.305	68
1-1/2".081	1.333	3	1.188	2.5	0.128	0.081	0.24	85
1-1/2".125	1.333	3	1.188	2.5	0.162	0.125	0.3	79

Material:
stainless steel, carbon steel, brass , aluminum , titanium , nickel , Al-Mg alloy

Strand and Bond
Expanded metal is composed of strands and bonds. Strands form the sides of the expanded metal openings. Bonds are where the strands intersect. In other words, the bond is where each diamond shaped opening is connected with the next opening.

SWD
SWD (Short Way of the Diamond) is the distance from the middle of the bond on one side to the middle of the bond on the opposite side.

LWD
LWD (Long Way of the Diamond) is the distance across the largest dimension of the diamond measured halfway between the diamonds.

SWO
SWO (Short Way of the Opening) is the width of the opening of the shortest side of the diamond. SWO does not include the strand width, where SWD (Short Way of the Diamond) does.

LWO
LWO (Long Way of the Opening) is the length of the opening of the longest side of the diamond. LWO does not include the strand width, where LWD (Long Way of the Diamond) does.

Open Area
Expanded metal contains open spaces (the diamond-shaped openings) and material. Open area is the total area of the diamond openings divided by the total area of the sheet or roll of expanded metal and is expressed as a percent. In other words, open area describes how much of the expanded metal is open space. If expanded metal has a 60 percent open area, then 60 percent of the expanded metal is open space and 40 percent is material.

Gauge or Thickness
Thickness is the measurement from the top surface to bottom surface of the expanded metal piece. Gauge is the most common measurement, but thickness can also be measured in fractional inches or millimeters.

Width and Length
Length is the measure of the longest side of the expanded metal sheet or cut-to-size piece. Width is the measure of the shortest side of the sheet or cut-to-size piece.

Determining SWD, LWD Direction
The illustration to the right shows the correct way to designate SWD and LWD dimensions in relation to the length or width.