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  Expanded Metals with Technical Information
Manufacturing Specifications  
 

STOCK SIZE SHEETS

Standard Carbon Steel, Grating, Aluminum and Aluminum Grating
SWD: Plus 3/8" minus 0" per foot of width
LWD: Plus 1/2 " - 0"

Flattened Carbon Steel and Aluminum
SWD: Plus 3/8" minus 0" per foot of width
LWD: Plus 3/4" - 0"

 
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Standard Stainless Steel and Stainless Grating
SWD: Plus 1/2" minus 0" per foot of width
LWD: Plus 1/2" - 0"

Flattened Stainless Steel
SWD: Plus 1/2" minus 0" per foot of width
LWD: Plus 3/4" - 0"

2.80# Flattened Carbon Steel Grating
SWD: Plus 3/8" minus 0" per foot of width
LWD: Plus 3" - 0"

CAMBER

Bow in sheet. Measured by placing a straight edge along the concave side of the sheet parallel to LWD, touching both ends of the sheet. The maximum distance between the edge of the expanded metal and the straight edge is the camber.

TOLERANCE

Standard expanded metal 1/16" per foot of length
Flattened expanded metal 3/32" per foot of length

OUT OF SQUARE

Expanded metal sheets are not perfectly square as manufactued. Stock size sheets and machine run non-standard size sheets will be produced to the following tolerances.

TOLERANCE

SWD: 1/16" per foot of width
LWD: 1/16" per foot of length

Sheet must be re-squared by shearing on all sides for squareness.

NON-STANDARD SIZES

MACHINE RUN

When tolerances permit, Niles can machine run non-standard sheet sizes to the same tolerances as stock size sheets. Unless otherwise specified, the material will be produced to a plus (+) tolerance; however the material can be produced to a minus (-) tolerance if requested.

RANDOM SHEARING

Stock size sheets and special sizes should be random sheared when a closer tolerance is desired. Normal mill tolerance for standard and flattened expanded metal is plus (+) or minus (-) 1/16"; for our grating products, plus (+) or minus (-) 1/8". Material that is random sheared leaves open diamonds in most cases.

BOND SHEARING

When certain applications require closed diamonds and the quantities do not economically justify special mill runs, bond shearing can sometimes be performed, WITHIN LIMITATIONS, resulting in closed diamond edges. Because of the diamond design and angle, standard expanded metal should not be bond sheared SWD and must be machine run to size.

Our Products
Mild Steel Expanded Metal
Expanded Metal - Industrial Meshes
Expanded metal gratings
Projection Mesh Grating
Expanded Metal - Decorative Meshes
Diamond Pattern Expanded Metal Mesh
Square Pattern Expanded Metal Mesh
Hexagonal Pattern Expanded Metal Mesh
Round Pattern Expanded Metal Mesh
architectural expanded metal
Expanded Metal Fence & Security Products
High Ribbed Formwork
Rib Lath
   
Contact
   
Deploye Expanded Metal Co.
URL:  
http://www.expandedmetal.cc
ADD:
No. 17, Deliang Road, New
Development Zone, Dezhou
China
E-mail:
expanded@expandedmetal.cc
   
Deploye Expanded Metal Co.   |    URL: http://www.expandedmetal.cc   |    E-mail: expanded@expandedmetal.cc