Can ZnAlMg square tubes be connected with other metals, such as aluminum alloys?

Yes, but galvanic corrosion risks should be considered. If direct contact with aluminum or other dissimilar metals is unavoidable, insulating gaskets or coatings are recommended to prevent galvanic reactions in damp conditions.

OEM Structure Solar Mounting Rack Home System Kit Corrosion-Resistant Steel Beam with TUV

Name: OEM Structure Solar Mounting Rack Home System Kit Corrosion-Resistant Steel Beam with TUV
Brand: Tianjin Jucai Huixin Industry and Trade Co., Ltd.
SKU: 2158584892

Tianjin, ChinaTianjin Jucai Huixin Industry and Trade Co., Ltd.

US$2.52-3.50

100 Meters

Product specifications

HDG

Sample price:US$0.01/piece.Request sample

Product profile

Customization

Available

After-sales Service

30 Years

Warranty

Steel Structure for 15 Years Solar Modules for 5 Y

Model NO.

JCHX-M00812

Certification

GB, ISO, TUV, CE, RoHS

Application

Commercial

Material

Steel

Type

Solar Part

Coating

Zinc Aluminum Magnesium Coated or Galvanized

Grade

Q235B, S350etc.

Wind Load

0-60m/S

Snow Load

0-3kN/M²

Sample

Free

Design

Free

Model No.

Square Tube

Install

Online Guidance

Feature

Anti-Corrosion, Earthquake Resistance, Easy to Ins

Size

Customizable

Length

Customization

Web Thickness

1.5-5mm

Web Width

40-500mm

Connection Form

All

Transport Package

Standard

Specification

custom

Trademark

JCHX

Origin

Tianjin, China

Production Capacity

100000 Tons / Year

Key features

Corrosion Resistance: Excellent weather and corrosion resistance with ZnAlMg coating for harsh environments.

Customizable Size: Available in standard sizes like 40x40mm or fully customizable to specific requirements.

High Structural Strength: Carbon steel construction with high strength to withstand wind, snow, and earthquake loads.

Long Service Life: Designed for a service life of approximately 25 years with minimal maintenance.

Free Samples: Complimentary samples available for evaluation before bulk orders.

OEM/ODM Service: Full OEM and ODM customization options including design and production.

Multiple Certifications: Certified by GB, ISO, TUV, CE, and RoHS for global compliance and quality.

Fast Delivery: Delivery time ranges from 3 to 45 days depending on order quantity and season.

Company profile

R&D CapabilitiesProduction Process VisualizationManagement Certification

Tianjin Jucai Huixin Industry and Trade Co., Ltd.

Tianjin, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2019-02-01 CertifiedNearest Port: Tianjin PortAverage Response Time: ≤2.32h

AI-Powered supplier vetting

SummaryJucai Huixin appears to be a photovoltaic bracket and related metal-structure supplier with broad customization and OEM/ODM capabilities. It reports multiple management and product certifications, including ISO9001, ISO14001, ISO45001, CE and RoHS. Production indicators are substantial, with more than 10 production lines, over 30 quality-control staff, and stated solar-bracket output of 1,000,000 tons. The supplier exports primarily to South America, Southeast Asia/Middle East, Europe and North America, with 71%–90% of sales from exports and self-operated import/export rights. It offers installation, training, repair, maintenance and debugging, but reports no overseas warehouse, showroom, agent or branch. Financial records are referenced for 2022–2024, but no financial results are provided. Innovation evidence is mixed: new products were reportedly developed in the past year and ODM is available, while no SDK is available and total R&D-engineer experience is listed as one year.

Supplier typeThe supplier is presented as a manufacturer and seller focused on photovoltaic mounting systems, including hot-dip galvanized, zinc-aluminum-magnesium coated, aluminum alloy and stainless-steel brackets and accessories. Its registered business scope also covers metal structures, mechanical equipment, construction reinforcement products, wires, cables and hardware, indicating a broader industrial materials scope.

CertificationsThe supplier states that its products and management systems have passed ISO9001, ISO14001 and ISO45001 certifications, as well as CE and RoHS certifications. These explicitly documented certifications support compliance and quality-system capability.

R&D capabilityThe supplier reports that it had new products during the past year and provides ODM services, while also offering multiple forms of design customization. Countervailing evidence includes no available SDK and total R&D-engineer experience listed as one year; therefore, innovation activity is demonstrated but technical depth is not fully established.

Production capacityThe supplier reports more than 10 production lines, annual solar-bracket output of 1,000,000 tons, and 31–40 quality-control staff. It also states average peak- and off-season lead times within 15 working days, providing explicit evidence of substantial production capacity and organized quality control.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization and flexible customization. It also reports both OEM service for well-known brands and ODM service, indicating broad product-development and customization coverage.

Client casesThe supplier states that it provides OEM services for well-known brands, which is direct evidence of brand-customer experience. No customer names, project details, order scope or independently verifiable case studies are provided.

Product Q&A

Q:What are zinc aluminum magnesium square tubes, and why are they suitable for solar mounting systems?

Zinc aluminum magnesium (ZnAlMg) square tubes are steel square tubes protected by a ZnAlMg alloy coating. The coating offers excellent corrosion resistance, self healing properties, and scratch resistance, making them ideal for solar mounting systems exposed to harsh outdoor conditions (rain, salt spray, UV). This significantly extends service life and reduces maintenance costs.

Q:What are the advantages of ZnAlMg square tubes compared to traditional hot dip galvanized tubes?

Superior corrosion resistance: Especially at cut edges, the coating forms a dense protective layer that prevents red rust from spreading. Longer service life: Under the same conditions, corrosion resistance is typically 2-3 times that of conventional galvanized steel. More environmentally friendly: Higher content of aluminum and magnesium reduces zinc consumption, aligning better with green building requirements.

Q:Are ZnAlMg square tubes reliable in extreme climates, such as coastal or high humidity areas?

Yes. ZnAlMg coatings exhibit notably better resistance to chloride ions (coastal salt spray) and humid environments than standard galvanized materials, making them an ideal choice for high corrosion zones like coastal and industrial areas.

Q:Do cut or drilled sections require special treatment during installation?

The ZnAlMg coating has a 'self healing' characteristic: for minor scratches or cuts, magnesium in the coating migrates to the exposed steel surface and forms a protective film. Additional anti corrosion coating is generally not needed, but it is still recommended to seal field cut edges (e.g., with a ZnAlMg specific touch up paint).

Q:Are ZnAlMg square tubes more expensive than hot dip galvanized tubes?

The initial cost is usually 10%-20% higher, but thanks to their longer lifespan and minimal maintenance needs, ZnAlMg tubes offer better life cycle cost (LCC) efficiency. They are especially economical for solar power plants designed for 25+ years of service.