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Product Center

Steel Plate

Steel Plate

Steel plate is a flat rectangular material made by rolling steel, primarily including carbon steel, alloy steel, and stainless steel. Its production involves two main processes: hot-rolling and cold-rolling. Hot-rolled plates are efficient to produce but have a mill scale on the surface, while cold-rolled plates offer a smoother finish and higher dimensional precision. By adjusting its composition, it can meet various requirements for strength, toughness, and corrosion resistance.

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Steel Pipe

Steel Pipe

Steel pipe is a hollow tubular product used for conveying fluids and in structural applications. Common types include carbon steel pipe, stainless steel pipe, as well as seamless and welded varieties. It is primarily manufactured through two processes: seamless, which offers uniform strength, and welded, which is cost-effective for larger sizes. Through material adjustments and treatments, it can be customized to meet specific needs for pressure, corrosion resistance, and durability.

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Steel Coil

Steel Coil

Steel coil is a continuous, coiled form of steel sheet produced through rolling processes, primarily comprising carbon steel, stainless steel, and galvanized steel. Its manufacturing mainly involves two methods: hot-rolling and cold-rolling. Hot-rolled coils are produced efficiently but typically have a mill scale on the surface, while cold-rolled coils offer a smoother surface finish and tighter dimensional tolerances. By modifying its chemical composition and applying appropriate treatments, steel coil can be tailored to meet various requirements for strength, formability, and corrosion resistance.

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Steel Rod

Steel Rod

Steel bar is a solid, long-length product used primarily in construction, manufacturing, and machinery applications. Common types include carbon steel bar, stainless steel bar, and alloy steel bar. It is typically produced through hot-rolling or cold-drawing processes, with hot-rolled bars offering efficiency and cold-drawn bars providing enhanced surface finish and dimensional accuracy. Through material selection and processing, its properties such as strength, machinability, and wear resistance can be tailored to specific engineering requirements.

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Steel Profiles

Steel Profiles

Steel profiles are long-shaped steel products with specific cross-sectional geometries, primarily used in construction, machinery, and structural frameworks. Common types include H-beams, channel steel, angle steel, flat steel, and sheet piles. They are typically produced through hot-rolling or cold-forming processes, offering high strength, design flexibility, and ease of assembly. Through material selection and processing, their load-bearing capacity, durability, and weldability can be tailored to meet various structural and industrial requirements.

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PPGI & PPGL

PPGI & PPGL

Color coated steel (PPGI/PPGL) is a pre-painted material made from coated steel sheets or coils. It provides both aesthetic appeal and enhanced corrosion resistance, making it widely used in construction, appliances, and decorative applications.

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Steel Structure

Steel Structure

Steel structure is a building structural system composed primarily of steel materials (mainly steel sections, steel plates, steel pipes, etc.) connected through methods such as welding, bolted connections, or riveting.

It features fast construction speed, good ductility, strong seismic resistance, and recyclability, making it particularly suitable for projects requiring rapid construction, large spaces, or high load-bearing capacity.

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About Us

LINGGANG STEEL (TIANJIN) CO., LTD is a professional enterprise specializing in the production and sales of steel products. Its main business covers a wide range of categories such as PPGI, PPGL, galvanized steel coils, cold-rolled steel plates, stainless steel plates, seamless and welded steel pipes, aluminum coils, equal angle steels, H-beams, etc. The company's core market layout is centered in Tianjin, China, and radiates to surrounding areas.

 

In the domestic market, its sales territory has extended to key economic regions such as Northeast, North China, and East China. In the international market, its products are exported to Europe, the Middle East, Southeast Asia, Australia and other regions, with an annual sales volume exceeding 100,000 tons. To fully meet the diverse needs of customers, the company offers full-process product customization and deep processing services, covering the entire service chain from production and manufacturing to delivery and acceptance.

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25

+

YEARS OF EXPERIENCE

100000

m2

Warehouse Area

30,000

tons+

Stock Level

100,000

tons+

Annual Sales Volume

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News

H-Beam vs. I-Beam: Deciphering the Core Choice for Structural Framing
H-Beam vs. I-Beam: Deciphering the Core Choice for Structural Framing
2025-12-10
In the design of steel structures for industrial and civil buildings, bridges, and heavy equipment, H-beams and I-beams are two of the most common and critical load-bearing components. Although they appear similar and are often confused by non-specialists, they have fundamental differences in cross-sectional properties, mechanical performance, and application scenarios. Correctly understanding and selecting between these two profiles is essential for ensuring structural safety, economy, and efficiency.
Pre-painted Steel Products: Armoring Steel with Color and Technology
Pre-painted Steel Products: Armoring Steel with Color and Technology
2025-12-10
In the fields of modern architecture and industrial manufacturing, steel requires not only robust intrinsic performance but also increasingly demands external aesthetics, durability, and functionality. Pre-painted steel products (color-coated steel sheets/coils) are the perfect solution to this need. They combine cold-rolled, hot-dip galvanized, or aluminized zinc-coated substrates with high-performance organic coatings, employing continuous roller coating and baking processes to create a high-performance composite material that integrates protection, decoration, and special functions, and is now widely used across various sectors of the economy.
Alloy Products: Defining the Future of Materials with Ingenious Formulations
In the world of engineering materials, the properties of a single metal often fall short of meeting the ever-evolving challenges of industry. It is through alloying—the scientific fusion of two or more metallic elements (or metals with non-metals)—that we create new materials whose performance far surpasses that of their base components. Alloy products are the cornerstone of modern industry, serving every corner from everyday consumer goods to cutting-edge technology with their exceptional strength, corrosion resistance, high-temperature tolerance, or special electromagnetic properties.
Product Advantages and Applications of Galvanized Steel Pipe: Infusing Projects with Lasting Protective Strength
Among various types of metal pipes, galvanized steel pipe has long been a reliable choice for construction, engineering, and conveying systems due to its excellent anti-corrosion properties and wide range of applications. By applying a uniform and dense layer of zinc onto the steel pipe surface through hot-dip or electroplating processes, it provides dual protection—acting as both a "sacrificial anode" and a physical barrier—for the steel substrate, thereby significantly extending the pipe's service life. This article delves into the core advantages of galvanized pipes and their critical applications in modern industry and daily life.
Cold Rolling vs. Hot Rolling: Key Differences and Industrial Applications
In the production and processing of steel materials, hot rolling and cold rolling are two of the most fundamental forming processes. They directly determine the properties, appearance, and final uses of steel products. Understanding their essential differences is crucial for equipment design, cost control, and material selection.
Duplex vs. Austenitic Stainless Steel: How to Select the Right Material Based on Corrosive Environment
Material selection is a critical decision in the design of industrial equipment, directly impacting longevity, safety, and lifecycle costs. Among stainless steels, the choice between the widely used Austenitic family (e.g., grades 304, 316) and the robust Duplex family (e.g., grade 2205) often presents a key challenge. This article provides a detailed comparison to guide selection in demanding corrosive environments.