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China factory - Gnee Steel (tianjin) Co., Ltd

Gnee Steel (tianjin) Co., Ltd

  • China,Tianjin ,Tianjin
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China Heavy Duty Galvanized Welded Steel Grating for Industrial Metal Platforms
China Heavy Duty Galvanized Welded Steel Grating for Industrial Metal Platforms

  1. China Heavy Duty Galvanized Welded Steel Grating for Industrial Metal Platforms
  2. China Heavy Duty Galvanized Welded Steel Grating for Industrial Metal Platforms
  3. China Heavy Duty Galvanized Welded Steel Grating for Industrial Metal Platforms
  4. China Heavy Duty Galvanized Welded Steel Grating for Industrial Metal Platforms

Heavy Duty Galvanized Welded Steel Grating for Industrial Metal Platforms

  1. MOQ： Negotiation
  2. Price： Negotiation
  3. Get Latest Price
Supply Ability 300000 Square Meter/Square Meters per Month
Packaging Details Standard Sea Worthy Package
Brand Name GNEE
Certification SGS
Place of Origin Henan

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  1. Product Details
  2. Company Details

Product Specification

Supply Ability 300000 Square Meter/Square Meters per Month Packaging Details Standard Sea Worthy Package
Brand Name GNEE Certification SGS
Place of Origin Henan
Heavy Duty Galvanized Bar Grating Welded Steel Grating Metal Platform
Steel Grating is manufactured by welding bearing steel bars and cross twisted bars according to required pitch spacing between steel bars using specialized steel grating welding machines. This grid building material offers exceptional performance characteristics.
All gratings are manufactured using high-quality standard steel materials that exhibit excellent hardness and high tensile strength. The product is extremely strong, durable, corrosion resistant, and provides superior anti-slip performance. Steel bars are available in various spacing pitches, thicknesses, and heights to meet specific load-bearing requirements and application needs.
Steel grating manufacturing process and product display
Surface Processing of Grating
Hot Galvanizing
Hot galvanizing is typically performed after the end welding process. For bearing bars with thickness not less than 5mm, the average zinc layer weight will not be less than 610g/m². For bearing bars with thickness less than 5mm, the average zinc layer weight will not be less than 460g/m². Quality and requirements after hot galvanizing comply with GB/T 13912 standards.
Lacquering
Additional protection layers are applied through spraying, brushing, or soaking methods.
Service Life of Hot Galvanizing
With a coated zinc thickness of 100μm, the anticipated product life varies according to environmental circumstances.
Anti-Acid and Alkali Corrosion Capacity
Effective within the pH range of 6 to 12.5. A stable protective film forms on the zinc surface, providing excellent anti-corrosive properties.
Calculation of Weight and Area
  • Grating weight varies after end welding and hot galvanizing processes. For normal industrial platforms using 30mm pitch bearing bars, weight increases by 12%; 14% for 40mm pitch bearing bars, and 16% for 60mm pitch bearing bars.
  • For gratings processed according to customer-supplied sizes, calculation is based on actual area (including cutouts and taps).
  • For gratings processed according to customer drawings, calculation is based on total outside dimensions (including cutouts and taps).
  • For unusual grating sizes, cutouts are not deducted from length and width calculations.
Applications
  • Flooring steel gratings
  • Stair treads
  • Sun shades
  • Drain covers
  • Security screens
  • Manhole covers
  • Mezzanine flooring
  • Earth mats
  • Shelving
  • Stanchions (hand rails)
  • Trench covers
Common Specification of Steel Grating
Remarks: Special Material, High Zinc Coating and New Style can be Customized.
Material Standard ASTM A36, A1011, A569, Q235, S275JR, Stainless steel 304/316, Mild steel & Low carbon steel, etc
Bearing Bar (Width x Thickness) 25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5, 50x5, 65x5, 75x6, 75x10…100x10mm etc; I bar: 25x5x3, 30x5x3, 32x5x3, 40x5x3 etc US standard: 1"x3/16", 1 1/4"x3/16", 1 1/2"x3/16", 1"x1/4",1 1/4"x1/4", 1 1/2"x1/4", 1"x1/8", 1 1/4"x1/8", 1 1/2"x1/8" etc
Bearing Bar Pitch 12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 32.5, 34.3, 35, 38.1, 40, 41.25, 60, 80mm etc. US standard: 19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2 etc.
Twisted Cross Bar Pitch 38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2" & 4" etc
Surface Treatment Untreated (black), Hot-dipped galvanized, Powder coated, Electroplate, Painting or as per customers' requirement
Grating Style Plain / Smooth, Serrated / Teeth, I bar, Serrated I bar
Packing (1) Bandage and Paperboard: Generally applies to neat steel plate; (2) Screw Locking Method: Use 4 screw rods through the aperture of the steel grid, for high strength; (3) Steel Pallet: Traditional export packing
Payment Term T/T, L/C, Western Union, Credit Card, Trade Assurance
Product Name: Metal Serrated Steel Grid Grating To Construction Building Material
Frequently Asked Questions
Q: How is steel grating installed?
A: Welded or clipped (G-clips/Z-clips); support length ≥25mm per end.
Q: What's the weight of steel grating per m²?
A: Approximately 20-50kg/m² (depends on bar size/spacing; e.g., G325/30/100 ≈30kg/m²).
Q: How to maintain steel grating?
A: Clean regularly; inspect connections; touch up coating if damaged; galvanized needs no painting.
Q: What's your MOQ for steel grating?
A: Flexible; small orders (1-5 panels) and bulk projects accepted.
Q: What's the lead time for orders?
A: Standard: 7-14 days; custom: 15-25 days; urgent orders available.
Steel grating installation examples and applications Steel grating technical specifications and close-up details

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer,Distributor/Wholesaler,Exporter

  • Year Established:

    2006

  • Employee Number:

    250~300

  • Ecer Certification：

    Verified Supplier

GNEE STEEL ,Has dedicated in producing and exporting all types of steel gratings for more than 19 years,A Professional Steel Grating & Safety Grating Manufacturer for Projects Engineering. Since our establishment, we have been dedicated to becoming a trusted global partner for high-quality ste... GNEE STEEL ,Has dedicated in producing and exporting all types of steel gratings for more than 19 years,A Professional Steel Grating & Safety Grating Manufacturer for Projects Engineering. Since our establishment, we have been dedicated to becoming a trusted global partner for high-quality ste...

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Get in touch with us

  • Reach Us
  • Gnee Steel (tianjin) Co., Ltd
  • No.4-1114, Beichen Building, Beicang Town, Beichen District, Tianjin, China
  • https://www.galvanizedsteelgrating.com/

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