Gnee Steel (tianjin) Co., Ltd
Professional Steel Grating & Safety Grating Manufacturer
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1.Galvanized steel grating:A36 is the common grade. After welding is completed, surface treatment will be carried out: mild steel grating will be hot-dip galvanized or painted to make it look beautiful or corrosion-resistant.
2.Stainless steel grating:Common grade is SS201, 304, 316, 316L. Stainless steel grating itself has a strong corrosion resistance, suitable for food processing and chemical fields.
3.I Bar Steel Grating:With its unique I-section design, it exhibits excellent bearing capacity and stability, and is suitable for heavy-loaded industrial platforms, bridges and other places, and has both ventilation and light transmission properties.
1. Galvanized steel grating
2. Stainless steel grating
3. I bar steel grating
Common Steel Grating Specification
| Bearing bar pitch | cross bar pitch | bearing bar size ( depth*thickness) | |||||||
| 20×3 | 25×3 | 25×3 | 40×3 | 20×5 | 20×5 | ||||
| 30 | 100 | G203/30/100 | G253/30/100 | G323/30/100 | G403/30/100 | G205/30/100 | G255/30/100 | ||
| 50 | G203/30/50 | G253/30/50 | G323/30/50 | G403/30/50 | G205/30/50 | G255/30/50 | |||
| 40 | 100 | G203/40/100 | G253/40/100 | G323/40/100 | G403/40/100 | G205/40/100 | G255/40/100 | ||
| 50 | G203/40/50 | G253/40/50 | G323/40/50 | G403/40/50 | G205/40/50 | G255/40/50 | |||
| 60 | 50 |
| G253/60/50 | G253/60/50 | G403/60/50 | G205/60/50 | G255/60/50 | ||