Quality Expanded Metal; ASTM F TYPE1 CLASS 1 4FT X 8FT; 1/2 #18 Standard NSN: ASTM F Standard Specification for Metal, Expanded, Steel. ASTM F Standard Specification for Metal, Expanded, Steel. standard by ASTM International, 03/01/ View all product details. Most Recent.

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Grip Strut grating is commonly used for work platforms, industrial flooring, catwalks, balconies, storage areas, walkways and stair treads. Flattened Expanded Metal-Carbon Steel 20 Non-standard, cut to size expanded metal also fabricated expanded metals and grating as per specifications.

To measure the strand thickness, the calipers must be flat against the thickness of the bond. On grating products, which are typically load bearing, the allowed variation is limited to plus or minus 5 percent. The distance between supporting members measured from the inside bearing point of one supporting member to the inside bearing point of the next supporting member.

For each additional inch add the appropriate weight from table for Bearing Bar Sizes. Building Entrances, Air Duct and sidewalk installations when ventilation and easy access are required. Measuring standard expanded metal can be tricky even for the most experienced warehouse person armed with good calipers.

Standard material is often used for its traction, in a ladder or catwalk for example, while flattened material might be used for a grilling surface. Manufacturers of shopping carts, lockers or furniture often have their own internal requirements for expanded metal.

This is perfectly allowable since there is variation within gauges of base metals.

ASTM F Steel Expanded Metal , Steel Finished Product

All close mesh types shown below are with 4 inch cross bar centers. Heavy Duty Grip Strut is a one-of-a-kind plank grating sporting a hefty 24 foot clear span capability.


Standard weights are published per square feet. As thicker material is used to produce a given product, the strand width can be reduced to compensate, thereby keeping the weight per square foot the axtm.

To identify the product, it helps to be familiar with some basic nomenclature. The values given in parentheses are for information only and may be approximate.

ASTM F1267-07 Steel Expanded Metal

Finally, the sheet size must also be specified. Below is an introduction to both specs. It ast informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. Specialty or made-to-order products are often produced to an engineering drawing rather than any specification. Two inch cross bar centers are also offered and can be specified with the letter “F”- i. Products will be offered with or without abrasive nosing.

Closed Meshed Grating is asym in carbon steel, stainless Steel and Aluminum. Grate-Lock lets you specify lighter gauge steel for substantial material savings.


Hundreds of sole-gripping dimples insure a safe surface in all kinds of environments. Also fabricated expanded metals and gratings as per specifications. Heavy Duty Grip Strut is more competitive than ever against Bar Do you even know there is a specification? Nor does a company have to be a North American producer to meet these specifications. There are very few differences between the two expanded metal specifications.

Special fabrication, cutting or specialty configurations available upon request and special quotation. Welded Bar Grating Stair Treads 6 Welded stair treads are manufactured from standard Grating with a patterned floor plate nosing and pre-punched end plates to facilitate installation.


Click on a Product to view details. Expanded metal shall be of the following types, classes, grades such as type I-expanded, type II-expanded and flattened, class I-uncoated, class2-hot-dip zinc uncoated, class 3-corrosion resisting steel, grade A and grade B.

This product complies with standards as established by the American Disabilities Act A. Search Back Issues Expanded Standard: The coating thickness shall be measured microscopically at a suitable magnification. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

Measured in per sq. Asm protect themselves from receiving inferior products, service centers would be well advised to source expanded metal from suppliers, both domestic and foreign, that adhere to these standards.

This standard does not purport to address all of the safety concerns, if any, associated with its use. Example, a pedestrian load, or light equipment load. Bushwick Metals offers a large variety of ladder rungs for use in different environments and industries. Expanded Metal U-Edging 3. Increased load performance has been achieved through interlocking planks and a “ventilated” rung design.

The deviation in inches from the original plane when the grating is placed under a load. If the sheet delivered weighs less than Link to Active This link will always route to the current Active version of the standard. Next, weigh the sheet.

Bridgeport, CT Tel: Traction Tread Ladder Rungs are ideal for use in hand-over-hand ladder applications where safe footing is also required.