Black Steel Expanded Grating 31006 VALANCES Uses a patented HF-less torch

Uses a patented HF-less torch start mechanism

Custom metal fabrication and general steelwork

Cryogenic cylinders for vapor withdrawal

2 Lb Spool

Black Steel Expanded Grating 31006 VALANCES Uses a patented HF-less torchThis is a 4' x 8', 1 4'' Thick, Black Steel Expanded Metal, Expanded Gratings, with 1 1 4" Hole Size NOTE: Hole Sizes are measured by the width of the hole, not the length. Expanded metal is a type of sheet metal that has been cut and stretched to create a pattern of diamond shaped openings. This process makes the metal sheet stronger and more rigid while reducing its weight. Expanded metal can be made from a variety of materials, including aluminum,