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Steel Grating Technology

HDG Steel Grating for Bridge Deck, Topside, Vent Boom and Walkway

38-W-4 carbon steel galvanized gratings

  • Heavy duty carbon steel grating with galvanized finish.
  • Fabricated by welding heavy duty cross bars (3.5" × 0.25") spaced 2-3/8" on center and perpendicular to heavy duty main bearing bars 1" × 0.25" spaced 4" on center.
  • Cross bars inserted in slots or notches in the main bearing bars and fillet welded at one corner of each main bearing bar / heavy cross bar intersection.
  • The bars should meet carbon steel ASTM A-36 frames and should be galvanized frames after fabrication per ASTM A123.
  • Top of main bearing bars are to be serrated.
  • Load band ends of grating with bars of same thickness as the main bearing bars.
  • Provide appropriate fasteners for type, grade, and class required for the approved anchorage system. Include lifting devices.
  • Heavy duty carbon steel grating must be 15.25 feet (4.65 m) in length. Please provide recommended standard fabrication width.
  • Please provide a drawing for this type of frame.
  • These frames will be used for a bridge deck.
  • Quantity: aprox. 450 units.

Hot dip galvanized grating for topside, bridge, vent boom and walkway

  • Grating and bolt, clips
    • Hot dip galvanized grating ̣(38 × 5/30 × 100) serrated load bar for topside, bridge and vent boom.
    • Hot dip galvanized stair tread ST3 (38 × 5/30 × 100) serrated load bar for topside.
    • Hot dip galvanized stair tread ST3 (38 × 5/30 × 100) serrated load bar for vent boom.
    • M6 × 25 LG hex head bolt.
    • 16Ø × 22 LG screw boss.
    • 25 × 2.5 thick saddle clip.
    • Hot dip galvanized grating WB405 series 2 for walkway.
    • Hot dip galvanized grating WB405 series 2 for walkway.
    • Hot dip galvanized grating WB405 series 2 for walkway.
    • Hot dip galvanized stair tread WT3 series 2 for stair.
  • Technical requirement:
    • Steel bar for grating shall conform to ASTM A36 or equivalent.
    • All grating shall be of the welded type with parallel serrated bearing bars and "Spiraled" cross bars.
    • All grating shall be hot-dipped galvanized and conformed to ASTM A123.
    • Material of the hex head bolt, screw boss, saddle clip shall be SS316.
    • Thickness of coating test conform to ASTM A123.

If you need to consult the price, please contact the business department by e-mail:

info@chinasteelgrating.com

When you contact us, please provide your detail requirements.
That will help us give you a valid quotation.


Copyright ©2012 Anping Mengke Wire Mesh Manufacture Co., Limited
Add: East industrial Zone, Anping, Hebei, China. TEL: +86-318-76632111 FAX: +86-318-76632111
URL: http://www.chinasteelgrating.com Email: info@chinasteelgrating.com