bolt fixed type steel grating (10 years factory)

Specifications bolt fixed type steel grating

1.Material: Carbon steel.

2.Grating type: plain or serrated.

3.Best price

banded steel grating / steel grating / welded steel bar grating / steel bar grating   We can supply steel grating with kinds of specifications,   1) Material: Mild Steel (Low Carbon Steel) or Stainless Steel.   2) Surface Treatment:  Hot dip galvanized ,  Painted ,  Untreated.   3) Shape of bearing bars:  Plain style ,  Serrated style ,   I section style   4) Bearing bar specification:     the specification of plain type and serrated type bearing bar is 20 x 3mm to 100 x 6mm;     the specification of I-section type is 25 x 5 x 3mm, 32 x 5 x 3mm, 38 x 5 x 3mm, 40 x 5 x 3mm, 50 x 5 x 3mm, 50 x 7 x 4mm, 55 x 7 x 4mm, 60 x 7 x 4mm, 65 x 7 x 4mm, 70 x 7 x 4mm, 75 x 7 x 4mm, etc.   5) Bearing bar pitch: 15mm, 25mm, 30mm, 33. 5mm, 37. 5mm, 40mm, 50mm, etc. and 30, 40, 60mm are recommended. & 60mm   6) Cross bar pitch: 25, 38, 50, 50. 8, 76, 100 & 101. 6mm etc. and  50, 100mm are recommended .   steel grating main usage: stair trends,  trench covers, drainage pit covers.