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Definition and Structure

Seismic-resistant brackets are specially designed components used to limit the displacement and control the vibrations of mechanical and electrical systems in buildings and infrastructure during seismic events. Their primary function is to absorb seismic forces and transmit them to the building's structural framework. These brackets are critical in ensuring the safety and stability of various building systems, such as electrical cables, piping, and HVAC systems, during an earthquake.

The structure of a seismic-resistant bracket typically consists of robust, durable materials capable of withstanding dynamic forces from multiple horizontal directions. The brackets are designed with a flexible yet secure connection to ensure that they can maintain functionality while providing essential movement control. Seismic brackets are generally installed with provisions to allow thermal expansion and contraction, especially in systems involving insulated pipes, ensuring that they do not impede the natural movement of materials.

Product Description

Product Parameters

BrandQiongkai
Model tagCC
Product nameC-shaped steel
MaterialSteel / Alloy / Stainless
OriginShanghai
Perforated designCustomizable
Surface treatmentGalvanized / HDG / Powder coated
ColorSilver / Black / Powder coated design
FinishRaw / HDG / Powder coated
Thickness0.8 - 2.5 mm
Width41 mm
Height21 mm / 41 mm / 52 mm / 62 mm / 82 mm
Length3 m - 9 m
Yield strength391 Mpa
Tensile strength484 Mpa
CertificatesCE / ISO
ODMSupported
OEMSupported

Shipping and Delivery Info

MOQ50
InsuranceCustomizable
Loading PortShanghai, Tianjin
Selling UnitsMeters / Pieces
Single Gross Weight1.6 KG
Production Capacity10,000 - 40,000 meters depending on product
Payment TermsT/T, L/C, Western Union
Price TermsEXW, FOB, CIF, CFR
Delivery Time25 days
After-salesOnline technical support
Free SampleAvailable

Material and Composition

Seismic-resistant brackets are made from materials selected for their strength, flexibility, and corrosion resistance. The primary materials used in the composition of seismic-resistant brackets include:

Steel

Most seismic brackets are made of high-strength steel or stainless steel, which provides excellent resistance to bending, shear, and tensile forces. Steel’s inherent durability and strength make it ideal for withstanding the forces generated during an earthquake.

Galvanized Coatings

To improve corrosion resistance, many seismic brackets undergo galvanization, either through hot-dip or electro-galvanizing processes. The galvanized layer prevents rust and degradation, especially in harsh environmental conditions like damp basements, industrial plants, or outdoor installations.

Other Components

In some cases, seismic brackets may include additional materials such as rubber or elastomeric pads for vibration isolation and shock absorption. These materials help further dampen the seismic forces, providing an additional layer of protection for sensitive systems.

Seismic Resistant bracket structural component
Seismic Resistant bracket channel assembly
Seismic Resistant bracket side view

Characteristics

The key characteristics that make seismic-resistant brackets suitable for their intended purpose include:

Strength and Durability

Seismic-resistant brackets are engineered from high-strength materials such as steel, ensuring they can withstand significant seismic forces. Their robust design ensures that they will not fail under the intense dynamic pressures generated during an earthquake.

Vibration Dampening

Many seismic brackets incorporate vibration isolation features, such as rubber or elastomeric pads, to absorb and reduce the transmission of seismic energy. This dampening action prevents damage to the systems being supported and minimizes the impact of the earthquake on the building structure.

Corrosion Resistance

Galvanized or made of stainless steel, seismic-resistant brackets are highly resistant to corrosion. This is essential in ensuring their long-term performance, particularly in environments exposed to moisture, chemicals, or other corrosive s.

Flexibility

Seismic brackets are designed to allow for thermal expansion and contraction without compromising the structural integrity of the system. This flexibility ensures that pipes and cables, for example, can expand and contract naturally without being restricted by the bracket, preventing damage or failure.

Easy Installation

Seismic brackets are often designed with pre-drilled holes or adjustable features that simplify the installation process. This ease of installation reduces labor costs and construction time, contributing to the efficiency of the overall project.

Galvanized seismic resistant bracket
Perforated seismic channel bracket
Heavy duty seismic support channel

Application Scenarios

Seismic-resistant brackets are used in a variety of applications, particularly in buildings and infrastructure projects in regions prone to seismic activity. Some key application fields include:

Construction

Seismic-resistant brackets are crucial in buildings, both residential and commercial, to protect essential services such as plumbing, HVAC systems, electrical cables, and fire suppression systems. These brackets ensure that these systems remain intact during an earthquake, minimizing the risk of system failures or secondary damage.

Industrial Plants

In industrial facilities, seismic-resistant brackets support critical infrastructure such as pipes, valves, tanks, and electrical equipment. These facilities often contain hazardous materials or sensitive equipment that must be protected during seismic events to prevent operational disruption or environmental harm.

Power and Utilities

Seismic-resistant brackets are widely used in power plants, substations, and utility installations to secure electrical cables, conduits, and control systems. These systems must remain operational even during a seismic event, and the brackets help protect these installations from earthquake-induced displacement.

Transportation Infrastructure

Seismic brackets are also used in transportation projects, such as bridges and tunnels, to secure essential infrastructure like communication cables, signal systems, and pipelines. Ensuring the stability of these systems during an earthquake is critical to maintaining the safety and functionality of transportation networks.

Production Process

The production process of seismic resistant brackets involves several key stages to ensure that the final product meets stringent quality standards and performance requirements:

1. Material Selection

High-strength steel or stainless steel is selected based on the project's specific requirements. Galvanization is often applied to enhance corrosion resistance.

2. Cutting and Forming

The raw steel is cut and formed into the required shape and size using advanced machinery. This includes cold-forming processes or bending operations that shape the steel into brackets with the desired dimensions.

3. Welding and Assembly

In some cases, seismic brackets may need to be welded or assembled from multiple parts. This step ensures that all components are securely joined to provide maximum strength and durability.

4. Surface Treatment

The galvanized layer is applied using hot-dip or electro-galvanizing methods to protect the brackets from corrosion. This treatment increases the brackets' lifespan, ensuring they remain functional even in harsh environmental conditions.

5. Inspection and Testing

Each seismic-resistant bracket undergoes rigorous quality control inspections to ensure it meets the necessary performance standards. Testing for strength, load-bearing capacity, and vibration dampening is conducted to ensure the brackets will perform as expected in seismic conditions.

6. Packaging and Delivery

After passing inspection, the brackets are packaged according to specifications and prepared for delivery. The packaging ensures that the brackets are protected during transport and remain in good condition until they reach the installation site.

Frequently Asked Questions

What are the primary materials used in C-shaped seismic brackets?

The brackets are primarily fabricated from high-strength steel, alloy, or stainless steel, often treated with hot-dip galvanizing, electro-galvanizing, or powder coating to prevent corrosion.

Can the dimensions and perforated designs be customized?

Yes, both OEM and ODM requirements are fully supported. Customizations for hole patterns, profile heights (21mm to 82mm), thickness (0.8mm to 2.5mm), and total length (3m to 9m) are available.

What international quality standards and certifications do these brackets hold?

The products hold CE and ISO certifications, meeting strict mechanical properties including a yield strength of 391 MPa and a tensile strength of 484 MPa.

What is the minimum order quantity (MOQ) and production capacity?

The minimum order quantity is 50 units (meters/pieces). The factory maintains a monthly production capacity ranging from 10,000 to 40,000 meters depending on configuration.

Are product samples available prior to full order dispatch?

Yes, free samples can be requested for structural verification, testing, and standard engineering approval before production orders.

What are the accepted payment and trade terms?

Trade can be processed under EXW, FOB, CIF, or CFR terms. Accepted payment methods include T/T, L/C, and Western Union, with average turnaround times around 25 days.

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