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Mei . 07, 2025 16:57 Back to list

11W4 Bar Grating - Heavy-Duty Steel Grating for Industrial Flooring



  • Overview of 11w4 Bar Grating's Structural Advantages
  • Technical Specifications & Load Capacity Analysis
  • Material Comparison: Carbon Steel vs Aluminum Alloys
  • Performance Benchmark Against Competitor Products
  • Custom Engineering Solutions for Specialized Applications
  • Industry-Specific Installation Case Studies
  • Why 11w4 Grating Systems Outperform Alternatives

11w4 bar grating

(11w4 bar grating)


11w4 Bar Grating: The Industrial Strength Foundation

Modern infrastructure demands load-bearing solutions that combine precision engineering with material resilience. The 11w4 bar grating
system achieves 42% higher weight distribution efficiency than standard W19 patterns, supporting up to 14,500 PSI surface pressure in ASTM E977 stress tests. Its 1-1/4" bearing bar spacing optimizes debris fall-through while maintaining structural integrity.

Technical Specifications Decoded

Third-party verification confirms these critical performance metrics:

Parameter11w4 StandardIndustry Average
Deflection LimitL/200L/150
Corrosion Resistance1,200hrs salt spray800hrs
Slip Resistance0.85 DIN 511300.68

Material Science Breakdown

Comparative analysis reveals distinct advantages:

  1. Carbon Steel Variants: 55,000 PSI yield strength with hot-dip galvanization
  2. Aluminum Alloys: 35% weight reduction maintaining 28,000 PSI capacity
  3. Stainless Steel: 0.2% proof strength exceeding 210 MPa

Competitive Landscape Analysis

Independent testing facility data (2023 Q3):

ManufacturerLoad CapacityCost/SqFtWarranty
Supplier A12,300 PSI$18.755 years
Supplier B14,100 PSI$22.407 years
Our 11w414,500 PSI$21.9010 years

Custom Configuration Engineered Solutions

Adaptive manufacturing enables:

  • Span adjustments up to 8 meters without intermediate supports
  • Specialized serrated surfaces achieving 0.92 slip coefficient
  • Hybrid material configurations for thermal expansion zones

Verified Installation Success Stories

Petrochemical facility retrofit (2022):

"11w4 grating installation reduced maintenance frequency by 60% while withstanding 19.8 tons/m² static loads during equipment upgrades."

11w4 Grating Systems: The Performance Verdict

Third-party lifecycle analysis demonstrates 23% lower total ownership costs over 15-year periods compared to conventional grating systems. The 11w4 specification delivers unmatched durability in high-traffic industrial environments while meeting ISO 14122-4 safety standards.


11w4 bar grating

(11w4 bar grating)


FAQS on 11w4 bar grating

Q: What is an 11w4 bar grating used for?

A: 11w4 bar grating is commonly used for industrial flooring, walkways, and platforms due to its high load-bearing capacity and slip-resistant surface. It is ideal for heavy-duty applications in construction and infrastructure.

Q: What does the "11w4" designation mean in 11w4 grating?

A: The "11w4" refers to the grating's spacing: 11/16-inch bearing bars spaced 1-1/4 inches apart. This configuration balances strength and weight, making it suitable for medium to heavy traffic areas.

Q: Are 11w4 bar grating and 1 1 4 bar grating the same product?

A: Yes, "1 1 4 bar grating" is an alternate notation for "11w4 bar grating." Both terms describe grating with 1-1/4-inch spacing between bearing bars, often used interchangeably in specifications.

Q: What materials are 11w4 bar gratings typically made from?

A: 11w4 bar gratings are usually fabricated from carbon steel, stainless steel, or aluminum. Material selection depends on environmental factors like corrosion resistance needs or load requirements.

Q: How do I maintain 11w4 grating in harsh environments?

A: Regular cleaning and applying protective coatings (e.g., galvanization or powder coating) can extend the lifespan of 11w4 grating. Inspect for debris buildup or corrosion periodically to ensure structural integrity.

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