The company's core product, hot-dip galvanized angle steel, boasts national standard materials, full dimensions and thickness, high toughness, and high load-bearing capacity, perfectly addressing industry pain points such as dimensional deviations, easy deformation, easy corrosion, poor load-bearing capacity, and short service life of ordinary angle steel on the market. The product is made of high-quality Q235B and Q355B national standard base materials, combined with mature hot-dip galvanizing process, which completely makes up for the defects of ordinary black hot-rolled angle steel that is prone to corrosion and not resistant to weathering outdoors. It takes into account structural stability and environmental adaptability. Whether it is indoor frame construction or outdoor curtain wall and engineering steel structure construction, it can maintain a long-term stable service state and significantly reduce the later maintenance cost of the project.
Our factory strictly adheres to national standards in the production of hot-dip galvanized angle steel. From base material rolling to finished product forming, the entire process is intelligently controlled, completely eliminating common quality issues in the market such as dimensional deviations, angle distortion, burrs at the cut, and twisting deformation. Our products are made to full dimensions and thicknesses, with precise and regular angles. The 6-meter standard length finished products have smooth, flat cuts, requiring no secondary grinding and can be directly installed on-site. Our product range covers two main categories: equal-sided and unequal-sided angle steel. We offer a full range of materials, from small-sized 25# and 30# shelving supports to medium-sized 40#-63# curtain wall railings, and 70#-200# heavy-duty steel structure columns. We maintain a stock of mainstream thicknesses from 3mm to 10mm, and have ample stock of standard sizes. Our products are suitable for various scenarios such as low-voltage electrical frames, building curtain walls, factory steel structures, and heavy engineering supports, providing a one-stop solution for diverse customer size procurement needs.
Designed for complex outdoor construction environments characterized by humidity, wind, sand, and high corrosion, our hot-dip galvanized angle steel utilizes a high-standard hot-dip galvanizing process. This results in a uniform, full, and extremely strong galvanized layer, free from defects such as missed areas, peeling, or flaking. Compared to ordinary painted angle steel and black hot-rolled angle steel, its rust and corrosion resistance is significantly improved. The product is resistant to outdoor sun and rain, acid and alkali corrosion, and exhibits outstanding oxidation and weathering resistance. It is not prone to rusting or corrosion aging over long-term use, effectively extending the service life of steel structure projects. This completely solves the pain points of frequent rusting, damage, and replacement of outdoor steel structure profiles, significantly reducing project operation and maintenance costs. It is the preferred material for outdoor curtain wall frames, outdoor supports, and open-air steel structure projects.
All hot-dip galvanized angle steel is made of genuine Q235B ordinary carbon steel and Q355B low-alloy high-strength material. The base material is dense, tough, and has excellent compressive load-bearing capacity, resulting in extremely strong structural stability. The finished product undergoes professional processing, exhibiting outstanding resistance to bending, impact, and deformation. It is resistant to bending and deformation even under long-term heavy loads, and can stably support heavy-duty applications such as factory columns, heavy equipment supports, and large steel structure frames. Whether for small-scale civil engineering frame construction or large-scale key projects in municipal, energy, and transportation sectors, it ensures structural safety and stability, meets international engineering material acceptance standards, eliminates potential structural safety hazards at the material source, and safeguards the quality of project construction.
To meet the diverse construction needs of our clients, our hot-dip galvanized angle steel offers comprehensive deep-processing customization services, breaking away from the limitations of traditional single-source material supply. We support zero-cut processing and custom-made to any length, precisely completing customized processes such as punching, bending, drilling, curtain wall frame forming, and bracket welding according to construction drawings. No secondary processing is required from the client; the steel is ready for direct installation upon arrival. We also support pre-production specification adjustments and quantity reductions. Our production team responds quickly to customer needs, flexibly adapting to personalized, fragmented, and large-volume purchase orders, effectively avoiding delays and procurement losses caused by specification discrepancies, quantity redundancy, or shortages, greatly improving customer construction efficiency.
|
Classification |
Detailed parameter information |
|
Substrate material |
1. Mainstream materials: Q235B (ordinary carbon steel, suitable for hot-dip galvanized angle steel in general load-bearing scenarios), Q355B (low alloy high strength steel, suitable for hot-dip galvanized angle steel in heavy-duty and low-temperature environments); 2. Auxiliary materials: Q195, Q215 (suitable for light-duty and decorative hot-dip galvanized angle steel). |
|
Cross-section specifications |
1. Equal-sided angle steel: side length × side length × thickness (mm), common specifications range from 25×25×3 to 200×200×24, such as 50×50×5, 75×75×6, etc., hot-dip galvanized angle steel; 2. Unequal-sided angle steel: long side × short side × thickness (mm), common specifications range from 32×20×3 to 200×125×18, such as 63×40×4, 90×56×5, etc., hot-dip galvanized angle steel; 3. Length: standard 6m, 9m, 12m, custom lengths of 5-19m hot-dip galvanized angle steel are available, with an allowable deviation of ±5mm/m. |
|
Hot-dip galvanizing process and parameters |
1. Core Process: High-temperature immersion plating process. After pickling, degreasing, and fluxing pretreatment, the substrate is immersed in molten zinc. The zinc layer is metallurgically bonded to the substrate, achieving an adhesion level of Grade 1. 2. Key Parameters: Zinc layer thickness ≥85μm (standard), customizable to over 100μm for high salt spray scenarios. No defects such as incomplete plating or peeling on the surface. Salt spray resistance test ≥500 hours. 3. Optimization Treatment: Can be equipped with passivation and phosphating processes to improve the corrosion resistance and wear resistance of hot-dip galvanized angle steel. |
|
Mechanical properties (substrate) |
1. Q235B: Yield strength ≥235MPa, tensile strength 375-500MPa, elongation ≥26%; 2. Q355B: Yield strength ≥355MPa, tensile strength 470-630MPa, elongation ≥21% (performance remains unchanged after hot-dip galvanizing). |
Tianjin Xinlida Steel Pipe Co., Ltd., as a source manufacturer, eliminates middlemen and sources all hot-dip galvanized angle steel directly from the factory. We maintain a large inventory of readily available stock in various specifications, offering significant price advantages. Exclusive discounts are available for bulk purchases. Leveraging our mature global trading system and import/export qualifications, we can handle bulk orders from both domestic and international markets, supporting delivery to Southeast Asia, the Middle East, and other global regions. Our logistics channels are stable, and delivery is fast. From production, quality inspection, processing to logistics, we maintain complete control over the entire process, ensuring strict quality control and comprehensive after-sales service. Whether it's domestic engineering project procurement or overseas cross-border bulk orders, we can achieve efficient fulfillment, providing customers with a worry-free, time-saving, and cost-effective one-stop procurement experience.
Hot-rolled seamless steel pipes for water supply and drainage
Hot-rolled seamless steel pipes for fire protection pipelines
Corrosion-resistant hot-rolled seamless steel pipe
High-temperature resistant hot-rolled seamless steel pipe
Small-diameter hot-rolled seamless steel pipe
Large Diameter Hot Rolled Seamless Steel Pipe