Type W Welded Steel Grating
Released time:9/26/2011 Click:
Steel Bar Grating is manufactured from ASTM A-1011 mild carbon steel and is available in three distinct products, type "W" Welded Bar Grating, type "DT" Dovetail Pressure Locked Grating, and type "SL" Swage Locked Grating. All three products are available with bearing bar spacing ranging from 19/16" (1-3/16") to 7/16" on center and with cross bars at either 4" or 2" on center. Each product is available with the standard plain or optional serrated surface, and each product is available with a bare steel, painted or galvanized finish. The following Steel Load Tables provide detailed product specification information related to all three products.
Type "W" Welded Steel Grating
Our most economical steel grating products, type "W" Welded Steel Gratings are manufactured by forge welding rectangular bearing bars and drawn cross bars. This welding process provides a positive fused connection providing years of service under the most demanding conditions. Type 19-W-4 steel grating is our most popular product and is recommended for nearly all industrial flooring applications. With nearly 80% open area, 19-W-4 allows for the easy passage of dirt, debris, snow and liquids and is essentially self-cleaning. Type "W" gratings are available in close mesh ADA conforming spacings 11-W-4 and 7-W-4 which are commonly used in public areas. When specifying type 11-W-4 for ADA applications, 3/16� thick bearing bars must be specified.
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