- Place of Origin:
- Hebei, China
- Brand Name:
- sinodiamond
- Model Number:
- JS-steel grating011
- Material:
- Stainless Steel
- name:
- Stair Steel Gratings
- material:
- carbon steel, stainless steel
- baring bar pitch:
- 30mm, 40mm,60mm
- baring bar size:
- 25 x3,25*5,32*5,40*5
- cross bar pitch:
- 50mm,100mm
- flat steel bar size:
- 3x20;3x24;3x26;on your request
- grating style:
- T1, T2 ,T3 ,T4 ,T5 ,T6
- recommand width:
- 0.5-1m
- application:
- industry, construction, oil filed, etc
- main market:
- USA, AUS, UK, Kuwait, South America
- 5000 Ton/Tons per Month steel grating
- Packaging Details
- use steel tape or as customers requirment
- Port
- Tianjin
- Lead Time :
- 15-20days after your deposit
China factory supply high quality stair treads steel grating/grating steel structural/metal slot drainage cover steel grating
steel grating
1.Bearing bar pitch:30,40,60mm
2.Plain,Serrated,I-shape
3.Common pitch:30mm&40mm
4.ISO9001,SGS, CE, BV
Step plate grating
Grating Step plate also called stair grating, stair steel, is mainly used for platform stair, and divided into two kinds: welding installation and bolts installation.
Welded stair grating, just welded the stair grating to the ladder beam, no need side plate, this is more economic, durable, but not easy for unfixing; bolt stair grating, it is need side plate when install, for the bolt hole is on the side plate, use bolts fix stair grating to the ladder beam, this can recycle used. This is according to clients’ demands.
Step plate types:
Welded step plate:ST1,ST3,ST5
Bolt step plate:ST2,ST4,ST6
Step plate width for usual is between 0.5m-1m
Step plate size mark :
ST4-—(RA325/30) : ST4—step plate type ,RA325/30--steel grating size
Step plate size tolerance:width:W±3mm,length: L-3mm
Feature and usage:
- Easy installation, nothing complicated
- Good Ventilation, lighting, cooling, explosion-proof, non-slip performance
- High strength, light structure, durable
- Easy cleaning, anti-dust and dirt
Step plate can be widely used in factories like powder plant, water works, and used as platform and aisle in the fields of public works, Environmental Engineering , theater, visiting platform, parking lot and so on.
Main Parameter
Recommended width:
For lower cost, we suggest clients use module width, for example: series 1 use 125,155,185,215,245,275mm, series 2 use 125,165,205,245,275mm etc, and for length, it is multiple of 100mm, such as 500,600,700,800,900,1000,1200mm and so on.
Recommended length table:
Max length(mm) | ||||
Flat Steel section size | 25×3 | 25×5 | 32×5 | 40×5 |
Series 1 | 550 | 900 | 1300 | 1600 |
Series 2 | 450 | 750 | 1200 | 1500 |
Series 3 | — | 550 | 850 | 1350 |
Bolt center distance of (T2 and T4)(mm)
“A”(bolt hole center distance) | 45 | 75 | 75 | 100 | 100 | 150 | 150 |
Front fender:Size 65mm*5mm, or as your requirements
Welded standard:Two side plates is single welded with each loading bar, welding line is not less than 3mm.
Step plate kinds:
Anti-slip step plate
1.Material: serrated flat bar, grade :Q235.the different between serrated flat bar and common flat bar is that serrated flat bar has rough teeth marks, and this is mainly used for anti-skipping.Twisted bar is made of 5*5, 6*6,8*8 square steel.
2.feature:
1).good anti-skipping, used in wet , slipping area, especially the sea oil platform
2).Hot-dipped galvanized,high anti-corrosion, 30years life time, can be used as channel cover with frame, anti-thief, safe and easy to open
3).High strength, and better than cast iron, can be used in wharf, airport and other long span and heavy loading environment.
4).Large hole for drainage, Water leakage area up to 83.3%, it is the best choice of forestair.
5).Good-looking : clean lines, silver appearance, modern idea, save material , save cost; when long span, heavy load, it is cheaper than cast iron.
Stair step plate:
Stair step plate is made of steel grating , and antislip strip and side plate.mainly used for steel step plate, and called stair step plate for short.
Specification: T325/30/100 (for width between 215mm and 305mm)
T255/30/100 ((for width between 215mm and 305mm)
Steel ladder step plate:
Also called stair step plate, size divided into T1,T2,T3,T4.
1.for save cost, please use suggested width
2.Steel ladder step plate tolerance: width: W±3mm,length: L-3mm.
Also we can supply step plate with different anti-slip front strip, and size can be made as your demands.
Steel ladder step plate is made of steel grating, surface treatment is hot-dipped galvanized or electric galvanized, and mainly used for platform, stair step plate, fence,tunnel floor, railway side walk, high tower platform, drainage cover, manhole cover, way fence, parking lots, organ, school, factory, enterprises, playground, garden villa fence, and Residence outside window,balcony guardrail, high way, railway fence and so on.
Type:
1)As per different installation, divided into welded ladder step plate and bolt fixed ladder step plate.the former is just steel grating, the latter is steel grating with 65*5mm flat bar as side plate.
2) According to anti-slip or not , divided into the one with or without front plate two kinds. For safe advice, the clients should use the one with front plate.