Pole Line Fitting

Galvanized Cross-arms

Product Name:
Galvanized Cross-arms
Model Number:
U Channel 100mmx50mmx50mmx5mmx2250mm
Material:
Steel
Surface:
Hot-dip galvanizing

Description

Galvanized Cross-arms

Galvanized Cross-arms, also known as I-beams, are a type of structural steel used in various structures and engineering projects.These I-beams are crucial components in various structures, providing strength and stability, and ensuring the safe and efficient operation of the structure. They are designed to withstand the environmental conditions they are exposed to, and are rigorously tested to ensure they meet the required standards.

1.Material: This type of steel is made from hot-rolled steel that has been galvanized, or coated in a layer of zinc, to provide protection against rust and corrosion.

2.Structure: I-beams have an I or H-shaped cross-section. The horizontal elements of the I are called flanges, and the vertical element is known as the "web".

3.Usage: I-beams are most commonly used by original equipment manufacturers (OEM) in the construction of machines and equipment, lifts and hoists, maritime platforms, overhead cranes and monorails.

Specification

Model number Dimension
(mm)
Theoretical weight
(kg/m)
h b d
10 100 68 4.5 11.261
12* 120 74 5 13.987
12.6 126 74 5 14.223
14 140 80 5.5 16.89
16 160 88 6 20.513
18 180 94 6.5 24.143
20a 200 100 7 27.929
20b 200 102 9 31.069
22a 220 110 7.5 33.07
22b 220 112 9.5 36.524
24a* 240 116 8 37.477
24b* 240 118 10 41.245
25a 250 116 8 38.105
25b 250 118 10 42.03
27a* 270 122 8.5 42.825
27b* 270 124 10.5 47.084
28a 280 122 8.5 43.492
28b 280 124 10.5 47.888
30a* 300 126 9 48.084
30b* 300 128 11 52.794
30c* 300 130 13 57.504
32a 320 130 9.5 52.717
32b 320 132 11.5 57.741
32c 320 134 13.5 62.765
36a 360 136 10 60.037
36b 360 138 12 65.689
36c 360 140 14 71.341
40a 400 142 10.5 67.598
40b 400 144 12.5 73.878
40c 400 146 14.5 80.158
45a 450 150 11.5 80.42
45b 450 152 13.5 87.485
45c 450 154 15.5 94.55
50a 500 158 12 93.654
50b 500 160 14 101.504
50c 500 162 16 109.354
55a* 550 166 12.5 105.355
55b* 550 168 14.5 113.97
55c* 550 170 16.5 122.605
56a 560 166 12.5 106.316
56b 560 168 14.5 115.108
56c 560 170 16.5 123.9
63a 630 176 13 121.407
63b 630 178 15 131.298
63c 630 180 17 141.189

Advantage

Dual-layer anti-corrosion protection: Hot-dip galvanizing creates a metallurgical bond layer of zinc-iron alloy (zinc coating thickness: 55–120 μm), providing both physical barrier protection and sacrificial anodic cathodic protection; if the steel surface is scratched, the zinc corrodes preferentially, automatically protecting the base material from rusting.

Suitable for harsh operating conditions: Withstands coastal salt spray, industrial acid rain, high humidity, frost, and intense UV exposure; service life is 30–50 years in standard suburban environments and over 25 years in highly corrosive coastal areas—far superior to painted steel or wooden crossarms.

Eliminates common issues associated with wood, such as rotting, insect infestation, and cracking; completely avoids the risks of moisture-induced breakage and subsequent short-circuit fires associated with wooden crossarms.

The base material is Q235/Q355 national standard carbon steel, offering outstanding flexural, tensile, and bending strength; load-bearing capacity far exceeds that of fiberglass (FRP) or wooden crossarms, stably supporting the weight of conductors, insulators, and hardware fittings.

Resistant to strong winds, ice accumulation, and conductor galloping; resists deformation and breakage in mountainous or frigid, snowy regions, ensuring the structural stability of overhead power transmission/distribution and communication lines while reducing outages caused by line failures.

Superior impact resistance compared to composite crossarms; less prone to damage or failure from knocks during construction and hoisting, offering greater tolerance for handling during field operations and maintenance.

Low initial investment with virtually no maintenance required later: eliminates the need for repeated painting or anti-corrosion refurbishment, significantly saving on annual labor and material costs for rust removal and upkeep; requires infrequent replacement, with a total lifecycle cost only one-third to one-half that of painted steel crossarms.

Reduces losses associated with emergency repairs and outage compensation caused by crossarm corrosion or breakage; meets the cost-reduction needs of power grid and telecommunications infrastructure projects. IV. Easy Installation, Customizable, and High Construction Efficiency

Factory pre-punching and standardized dimensions eliminate the need for on-site drilling or anti-corrosion treatment; components are ready for bolted assembly upon delivery, significantly shortening the construction period for poles and towers.

Flexible customization: Length, hole spacing, single/double cross-arm configurations, and tension/suspension structures can be fabricated to meet specific requirements, accommodating various pole types and span needs for 10kV+ high-voltage distribution and fiber-optic communication lines.

Precise dimensional tolerances ensure high compatibility with standard accessories for concrete and steel-pipe poles, facilitating seamless on-site installation.

Zinc is a naturally eco-friendly metal, and the steel is 100% recyclable and remeltable; disposal creates no solid waste pollution, aligning with green infrastructure standards. The galvanizing process involves no release of toxic or hazardous substances.

Stable electrical conductivity ensures superior grounding performance compared to fiberglass (FRP) insulating cross-arms; reliable discharge of lightning currents enhances the line's overall lightning protection safety.

The galvanized surface coating is uniform and smooth, resisting chalking or peeling during long-term outdoor use, resulting in a neat and consistent appearance.

Location

Connection Plate

Packaging

Videos

 

Downloads

Galvanized Cross-arms Download

FAQs

01. Manufacturer Offering Competitive Pricing and High Quality.

We are a direct-sales manufacturer offering both competitive pricing and high-quality products, helping you gain a foothold in the market—specifically in Wenzhou, Zhejiang Province, China. You are warmly invited to visit our company.

02. OEM/ODM Services.

We are a manufacturer backed by an exceptional and highly collaborative team.

03. Standard Payment Terms.

We accept various payment methods, including Telegraphic Transfer (TT) in advance, Letters of Credit (L/C), Western Union, and others. Please feel free to contact us if you have any questions!

04. Warranty Period.

1.5 years. Any quality issues will be resolved through free replacements included with your next order.

05. Free Samples.

Yes, we provide samples of smaller products for your quality assessment; you are only required to cover the courier fees.

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