Steel bar grating is made from carbon steel, aluminum, or stainless steel.
Manufacturing methods: welded, press‑locked, swage‑locked, or riveted.
Surface: smooth or serrated. Used for walkways, platforms, Municipal drainage trench covers, and heavy‑duty construction.
Technical Specifications
| Bearing bar spacing: | standard 1‑3/16″ (19/16″) on center; other options 15/16″, 11/16″, 1/2″, 7/16″ |
| Bearing bar depth: | 3/4″ to 7″; thickness: 1/8″ to 1/2″ |
| Cross bar spacing: | 4″ or 2″ on center |
Surface Treatment
Carbon steel:
Black (cheap, short life), painted, electro‑galvanized, or hot‑dip galvanized (best, per ASTM A123)
Stainless steel:
Pickling passivation (matte) or electrolytic polishing (bright)
Why Choose Us
Over 10 years experience, exported to 50+ countries
ISO 9001:2015 certified
Free samples, competitive factory prices, distribution support
FAQ
Q1: Best finish for outdoor municipal use?
Hot‑dip galvanizing.
Q2: Standard bearing bar spacing?
1‑3/16″ on center.
Q3: Samples available?
Yes, free for most products.
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