Steel Bar Grating- Steel Stair Treads
Steel grating is one of our mainly products, we supplier different types of stair treads.
Steel Bar Grating, made by welding with flat steel and bars with certain distances, is the workhorse of the industrial flooring market and has served industry for decades. Strong and durable with an exceptional strength-to-weight ratio, steel bar grating can be easily fabricated to nearly any configuration through cutting, opening, edging and other processes. The products enjoy the features of high strength, light structure, high bearing, convenience for loading and other properties. The hot dipped zinc coating gives the product excellent anti-corrosion resistance.
Material: Mill steel/stainless steel
Surface treatment: Hot dipped galvanized after welded,Powder coated or painting coated.
Usage:Floor walkway, plateform,stair treads,well cover,steel structures,sump cover and handrail so on.The grating
used for construction project, oil project, seaport,powder plant,water plant,defense project,and so on.
Steel Stair Treads Types:
1. Welded fixed without nosing
2. Bolt fixed without nosing.
3. Welded fixed with plate nosing.
4. Bolt fixed with plate nosing.
Steel grating different country standard
1. China:YB/T4001-1998
2. USA:ANSI/NAAMM(MBG531-88)
3. UK:BS4592-1987
4. Australia:AS1657-1988
5. Japan:JJS
Commen Specification
Pitch of
Bearing Bar
mm |
Pitch of
Cross Bar
mm |
Specification of Bearing Width x Thickness (mm) |
| 32x5 |
40x5 |
45x5 |
50x5 |
55x5 |
60x5 |
| 30 |
10 |
325/30/100 |
405/30/100 |
455/30/100 |
505/30/100 |
555/30/100 |
605/30/100 |
| 50 |
325/30/50 |
405/30/50 |
455/30/50 |
505/30/50 |
555/30/50 |
605/30/50 |
| 40 |
100 |
325/30/100 |
405/30/100 |
455/30/100 |
505/30/100 |
555/30/100 |
605/30/100 |
| 50 |
325/30/50 |
405/30/50 |
455/30/50 |
505/30/50 |
555/30/50 |
605/30/50 |
| 60 |
50 |
325/30/50 |
405/30/50 |
455/30/50 |
505/30/50 |
555/30/50 |
605/30/50 |
){kind=link}
){kind=link}