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Serrated Welded Steel Bar Grating for Floorings
Product descriptions
Wedled steel grating is the most popular type grating; it is
arranged of the bearing bar and cross bar
in longitude and latitude order to certain distance. The cross bar
is pressed into the bearing bar by high
tension resistance welding which is controlled by computer, so we
can produce high quality gratings
with firm welding,smooth surface and high strength.
1. material: low carbon steel,mid steel or stainless steel;
2. Surface treatment: nature, painting or hot dip galvanized;
3. Specification of steel grating: plain type (may be omitted in
the symbol of steel grating), serrated type and I-shape type;
4. Tolerance of hot dip galvanized steel grating: the allowed
deviation of length is +0/-5mm, while the allowed deviation of
width is +/-5 mm; the non-perpendicularity of bearing bar is
allowed no more than 10% of width of bearing bar; cross bar surface
should not surpass bearing bar surface 1mm, beginning & end of
cross bar should not surpass the end surfaces of two sides of
grating 2mm;
5. steel grating application: used in flooring, catwalk,
mezzanines/decking, stair tread, fencing, ramp, dock, trench cover,
drainage pit cover, maintenance platform, pedestrian/crowded
pedestrian, factory, workshop, motor rooms, trolley channel, heavy
loading area, boiler equipment and heavy equipment area, office
buildings, apartments, train stations, department stores,
hospitals,amusement parks,etc..
Grating Standardizations:
Countries | National Standards for Grating | Materials | Galvanizing Standards |
China | YB/T 4001.1-2007 | GB 700-88 | GB/T13912-2002 |
America | ANSI/NAAMM(MBG531-00) | ASTM(A36) | ASTM(A123) |
Britain | BS4592-1995 | BS4360(43A ) | BS729 |
Australia | AS1657-1992 | AS3679 | AS1650 |
No | Item | Description |
1 | Bearing bar | 25x3,25x4,30x3,30x4,30x5,32x5,40x5,50x5,.....75x10mm |
2 | Bear bar pitch | 12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 34.3, 35, 40,41,60mm. US standard: 1"x3/16", 1 1/4"x3/16", 1 1/2"x3/16", 1"x 1/4", 1 1/4"x 1/4", 1 1/2"x 1/4" etc. |
3 | Cross bar pitch | 38,50,76,100,101.6mm |
4 | Material | Q235,A36,SS304 |
5 | Surface treatment | Black, hot dipped galvanising, paint |
6 | Standard | China: YB/T 4001.1-2007 |
USA: ANSI/NAAMM(MBG531-88) | ||
UK: BS4592-1987 | ||
Australia: AS1657-1985 |
Feature:
Appearance: simple lines. Silver exterior, modern trends.
Best drainage: leakage area of 83.3%, more than double the cast
iron.
Hot-dip galvanizing: rust-proof and strong, maintenance and
replacement.
Security design: box with hinged lid and connection, security,
safe, easy to open.
Saving investment: large span. When overloaded, the lowest ratio of
iron and saves replacement costs stolen, then crushed.
High strength: strength and toughness is much higher than cast
iron, can be used for terminals, airports and other large span and
heavy load environment.
Specifications and more: meet different environment and loading
requirement. Span, the desired size and shape.
Welded Steel Bar Grating-STG0001
Welded Steel Bar Grating-STG0002
Welded Steel Bar Grating-STG0003
Welded Steel Bar Grating-STG0004
Welded Steel Bar Grating-STG0005
Welded Steel Bar Grating-STG0005