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ISO9001 Professional Steel Grating Manufacturer Hot DIP Galvanized Drain Grating Covers

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ISO9001 Professional Steel Grating Manufacturer Hot DIP Galvanized Drain Grating Covers

Brand Name : GNEE

Certification : SGS

Place of Origin : China

MOQ : 10 square meter

Price : Negotiable

Payment Terms : Negotiable

Supply Ability : 100 ton/week

Delivery Time : 5-9 working days

Packaging Details : Sea-worthy packing, ie wooden or steel tray with steel strip,etc

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1. Steel grating is made of bearing bar and cross bar, placed horizonatally anvertically, and at an equal pitch apart, by welding with 200-ton hydraulic resistance automatic automatic welding equipment, then cutting,punching and banding ends.


Type of bearing bar		 25x5x3,32x5x3,38x5x3,50x7x4,60x7x4,...75x7x4mm
Pitch of bearing bar 12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 34.3, 35, 40, 41, 60 mm
Pitch of cross bar 38,50,76,100,101.6mm

ISO9001 Professional Steel Grating Manufacturer Hot DIP Galvanized Drain Grating Covers
2.Type of bearing bar:
serrated bearing bar, plain bearing bar,I type bearing bar
Specifications


Type		 GT type, GU type, GM type or customization
Material Low Carbon Steel or Stainless Steel
Surface treatment Hot-dip galvanizing or painted
Standard YB/T4001.1-2007, ANSI/NAAMM, BS4592, AS1657
Application draining well, park and civil projects, etc

Galvanized steel Grating, is extremely strong and durable for all load bearingapplications and is primarily used for pedestrian and light vehicle traffic. Ourgalvanized coating process provides for years of corrosion resistance in acidicand high moisture environments.

Galvanized Steel Expanded Metal is a sheet product that has been slit andstretched to diamond shaped openings. Galvanized expanded metal offerssavings in weight and allows free passage of light, liquid, sound and air whileproviding corrosion resistance in harsh environments.

Material 1.Carbon Steel Q235 2.Stainless Steel 304 / 316
Type Press lokced / Flat bar / Serrated bar / I Bar
Bearing Bar Size 20 x 3 to 100 x 9;the specification of "I-section" is 25 x 5 x 3, 32 x 5 x 3, 38 x 5 x 3, 40 x 5 x 3, 50 x 5 x 3, 50 x 7 x 4, 55 x 7 x 4, 60 x 7 x 4, 65 x 7 x 4, 70 x 7 x 4, 75 x 7 x 4, etc
Bearing Bar Pitch 12.5 to 100 mm etc, 30, 40, 60mm are recommended, America standard is available
Cross Bar Pitch from18.5 to 101.6mm etc, 50, 100mm are recommended, America standard is available
Specification Size of bearing flat steel: 25x3mm / the center space: 30mm, 40mm, 50mm, 100mm
Size of horizontal pole: 10x2mm / the center space : 50mm, 100mm
Surface Treatment Untreated / Painting / Hot Dip Galvanizing
Steel Standard China GB700-88 / America ASTM (A36) / Britain ASTM (A36)
HDG Standard China GB/T13912-92 / America ASTM (A123) / Britain BS729
Quality Standard China YB/T4001-1998 America ANSI/NAAMM (MBG531-88)
Britain BS4592-1987 Australia AS1657-1992

ISO9001 Professional Steel Grating Manufacturer Hot DIP Galvanized Drain Grating Covers

ISO9001 Professional Steel Grating Manufacturer Hot DIP Galvanized Drain Grating Covers


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