Steel Grating Manufacturing Tolerances
All dimensions are maximum permissible tolerances
1. Overall Dimensions and Squareness
|Standard Fabrication Welding||Optional Welding|
|Edge bars and attachments are welded with a||Full Weld:|
|minimum 3mm fllet weld to one side of:||Weld one side of every load bar.|
|Every 5th load bar on Series 30 Grating||Seal Weld:|
|Every 4th load bar on Series 40 Grating||Weld both sides of every load bar|
|Every 3rd load bar on Series 60 Grating|
2. Cross Bar Alignment Spacing
3. Longitudinal and Transverse Bow
4.Cross Bar Location and Load bar lean
6.Stair Tread Tolerances
We are manufacturer of steel gratings, stair treads, trench covers, handrails, steel ladders and handrails. etc.
If you are in need of our products, please try to inquire to us for further details.