|Payment Terms:||L/C,D/A,D/P,T/T,Western Union,MoneyGram|
|Supply Ability:||4000 Ton/Tons per Month steel grating stairs treads|
|Place of Origin:||Hebei China|
|steel grating standards:||A) China: YB/T4001-1998(B) USA: ANSI/NAAMM (MBG531-88)|
|steel standard:||B. USA: ANSI/NAAMM (MBG 531-88)|
|Cross bar pitch:||30 mm, 40mm,60mm,100mm etc.|
|bearing bar pitch:||30mm, 35mm, 40mm, 45mm, 50mm, 60mm etc.|
|bearing bar depth(width)&thickness:||25mmx 3mmx5mm to 100mmx10mmx12mm|
|bearing bar style:||Serrated, Plain or I bar|
|Cross bar style:||round,twisted, load bar|
|surface treatment:||hot dipped galvanized,PVC coated|
|package service:||common package,on customer's special request|
|application:||steel grating stair treads|
|Packaging Detail:||normally packed in the way with two pieces of square wood on both upper and bottom sides.there are four or six pieces M10 long bolt penetrating the gratings stairs and screwing them together.it is suitable for loading and unloading by fork-lift.But we also packing our products on costumer's requirement.|
High quality durable light weight hot dip galvanized outdoor steel grating
1.Introduction of galvanized steel grating stair treads
Our company has more than ten years experience in manufacturing and exporting steel grating stair treads with high quality and competitive price and faster delivery time.
1>Material :Q235 steel bar and round steel bar.Stainless steel.
2>Surface process: hot-dipped galvanized ,PVC coating,black paintting.
Plain type of steel grating stair treads
Serrated steel grating stair treads
2.Specification of galvanized steel grating stair treads
1>Shape of bearing bar: plain or serrated type.
2>Bearing Bar Pitch (center to center):according to client's requirement and 30, 40, 60mm are recommended.
3>Bearing Bar (Load Bar) thickness and depth(mm): 20 x 3 to 100 x 10 etc;
4>Cross bar pitch(center to center) :38.1, 40, 50, 60, 76, 80, 100, 101.6, 120mm, 2' ' & 4' ' etc
3.The manufacturing process of galvanized steel grating stair treads
The factory of our company has strong ability in manufacturing production by large quantity. We can assure you about the quality with competitive price,and we can manufacturer all kinds of galvanized steel grating stair treads.
4.The application of galvanized steel grating stair treads
5.The installation of galvanized steel grating stair treads
Steel grating stair treads made by our company are easy to install,there are two ways to install it.Weld it directly for permanent using or use blots to fix it for re-movement,it's very easy to install it with our special design.
(1)Attractive appearance: Simple outline.silver colour,and modern.
(2)Optimum water draining: Water leakage area is 83%,which is two times larger than that of cast iron.
(3)Hot dip galvanizing: Good anti rust performance,maintenance free and replacement free.
(4)Design of preventing theft: The cover is connected with the frame by gemel,which ensures protection against theft,safety,and convenient opening.
(5)Saving investment: With large span,the cost is lower than that of cast iron when under heavy load.And the replacement expenses in case of theft and crushing will be saved.
(6)High strength:With strength: With strength and toughness far higher than those of cast iron,it can be used in the environment with large span and heavy load,such as the wharf and the airport.
(7)Many specifications available: The requirement of different environments,loads, spans,sizes and shapes can be satisfied.
7.Standards of galvanized steel grating stair treads.
|Steel grating standard||Steel standard||Galvanizing standard|
|China standard||YB/T 4001.1-2007||GB700-88||GB/T13912-2002|
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.
Galvanized steel grating stair treads are normally packed with two pieces of square wood on both upper and bottom sides.We always use 4 or 6 long bolts penetrate gratings and screw them together.This kind of packaging is suitable for fork-lift loading. And we also pack our productions on our costumer’s requirement.
time of deilivery: 15-20 days after receiving 30% deposit
Payment: 30% by T/T in advance, the balance by T/T against the fax copy of B/L.
Why choose Haiao ?
1)We have a standard manufacturing line and a complete quality ensuring system for high quality galvanized steel grating reaching your requirements.
2)We own most advanced production equipments.The CNC press-welding meshine is controled by computers.
3)We have more than ten years experiences about manufacturing and exporting.
4)We own more than ten senior engineers,they can promise our product technology in the industry in a leading level.
HAIAO Wire Mesh Product Co.,Ltd is a company in manufacturing wire mesh ,fencing, steel grating products .We are professional and we have more than ten years experience in designing and manufacturing steel grating production.