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Steel Grating

Steel grating is manufactured usi線地ng a high voltage resistance comp問女uter controlled forge welder. Cross r都場ods are set horizontally on evenly spac習自ed flat bars and welded using知姐 high electrical current and h頻事ydraulic pressure to fo紅服rm forge-welded grating standard 科老panels. Panels are then cut to size雪雪 based on CAD drawings an拍又d banded in the fabrication 技綠section before sending for hot dip習哥 galvanizing or other t讀長reatments. Mild steel grating i答嗎s recommended for high im歌個pact, high load applications where eco見她nomy and strength are paramount.



  • Advantages Of Grating
  • Flow Chart
  • Designation
  • Grating Series
  • Standards
  • Grating Tolerance
  • Selection Guide
  • Application Case

Comparing with other meta道月l products, Wellter 了森grating has the following advan林綠tages:

* Excellent quality at reasonable 房店price.

* Light weight & high stren跳科gth.

* Good ventilation.

* Good aesthetic appearance多分.

* Efficient stacking & de店朋livery.

* Easy installation.

* Solid & durable.

Grating is dimensioned a吧商s per designed drawings. Prior校弟 to packing and delivery, it should be 報外banded first, and then hot業去-dip galvanized or treat舞內ed otherwise. Processing flow chart of呢草 grating is shown as below.

MS

Cross Rod Pitch:

      A 100 mm (ce兒好nter distance)

      B 50光腦 mm (center distance樂請)

      C 25 mm (center學雜 distance)

Cross Rod Size:

      Genera土件lly 6 x 6 mm twisted rod靜算

      5 x 5南銀 mm twisted rod for small size grating

     &理身nbsp;5 x 5 mm round rod fo少男r stainless steel gr都飛ating

Load Bar Size:

      Usual文器ly 20 x 3 mm ~ 130 x 7村商 mm

Load Bar Pitch:

      Serie我厭s 1 30 mm (center distance)

      Series 2 40 mm (ce理小nter distance)

     些術 Series 3 40 mm (center dista為唱nce)

Load Bar Top Surface:

      P refers to commo街子n plain type

      S 工說refers to reinforced anti刀我-skid serrated type

   &n物遠bsp;  I  refers to load 從拿bar with I- shape section

Surface Treatment:

      G r票靜efers to hot- dip galvanizi做新ng

      P refers匠呢 to dip painting

      U refers什船 to no surface treatment

     為生; E refers to electrochemical polish慢嗎ing


Standard grating comprises Plain (P) 鐘和square edge flat bars. To incr新照ease the slip resistance, Serrated (S) 你熱grating can be specified. Stainless Ste草也el, 6mm bars, and any load bars 紅外20mm deep will not be ser子東rated normally. 

.

Series 1 : This series is most commonly used北外 throughout all sections of indus遠兵try. Center pitch of load bars i農林s 30mm. It is in accordance with 光微USA standards, Australia standards 輛可and Japanese standards applicable你做 etc. With highest den中笑sity of flat bars and城子 strength, it is suitabl睡媽e for different applicat暗事ions.

 

 

 Series 2: This series is most著能 economical and light. Center pitch o遠雨f load bars is 40mm. It co坐店nforms to the requirement笑地 of Fixed Platform, Walkway, Stairwa雪匠y and Tread as regulated in Brit路東ish, Germany, France and J好能apanese standards etc. Its general制問 applications include convey關請or walkway, storage shelves,你校 mezzanine floor, catwalk, securit機民y grilles and sun screens etc.農輛

Series 3 :This series has been specifica答中lly developed for mining industry謝小 and used for hang ceiling. Cent兒書er pitch of load bars is 60mm.什路 The large square opening a風遠llows most materials to fall throug做服h the grating, thus keeping子下 the walking surface clear a睡見nd safe. This product is frequently sp媽件ecified for mining and mineral 明生processing projects. With 畫又a high cost efficiency, it i不唱s the optimal choice for 照聽Hang Ceiling.


Grating : Chinese YB/T 4001 - 2007

Steel Material: Chinese GB 700 - 88, GB 1著懂220- 92;

Hot-dip Galvanizing: Chinese GB/T 13912 - 2002

Note: Products can also be manufactu湖月red according to other st不業andard as agreed by both partie師和s (Buyer and Seller).

Besides specifications recomme遠睡nded below, other specifications are al小見so available for design and 場短manufacturing, which w年車ill depend on the quantity and動看 delivery schedule requested. All d市這etails should be indicated in th遠農e contract after agreemen刀理t of both parties. For relevant duty 冷看parameters of stainless steel g能放rating, please refer to &qu窗說ot;Loads and Deflections Table o爸他f Carbon Steel Grating用長".






   


 


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