HOT PRODUCTS

With an annual sales volume of over 3000,000 tons, the company mainly deals in stainless steel plates, coils, pipes, bars and nickel-based alloys.

A204 Pressure Vessel Steel Plate

ASTM A204 boiler vessel plate is molybdenum alloy steel plate, mainly suitable for welding boilers and high temperature pressure vessels. According to the molybdenum content, ASTM A204 boiler container plate is divided into 3 grades: A, B, C. The thickness of ASTM A204 boiler vessel plates is limited only by the ability of the chemical composition to meet the specified mechanical property requirements.

A202 Pressure Vessel Carbon Steel Coil

JIS G3101 SS400 is a common carbon structural steel grade. Other grades of JIS G3101 are ss330, ss490 and ss540. Relevant product types include steel coils, steel plates, steel sections, and steel pipes.

Spiral Submerged Arc Welded Pipe SSAW

The spiral submerged arc welded pipe is made of hot-rolled steel strip as raw material, and is usually made by constant temperature spiral forming and automatic submerged arc welding. The manufacturing process is to roll the steel strip, make the rolling direction at a certain angle to the center direction of the tube, and then form and weld, so the weld is spiral. Can provide API SPEC 5L steel pipe, GB / T3091,GB / T9711-2011,EN10219,ASTM A252 standard steel pipe.

API 5CT Steel Pipe

API is an acronym for the American Petroleum Institute and is considered the most authoritative and comprehensive principle in the oil and gas industry. API 5B and API 5CT are mainly used for oil casing. API 5CT oil casing can be divided into seamless steel pipe and welded steel pipe, welded steel pipe mainly refers to the straight seam steel pipe, large diameter oil casing is generally submerged arc welding straight seam steel pipe.

904L Stainless Steel Plate

Grade 904L is an unstable low carbon high alloy austenitic stainless steel. The addition of copper to this grade greatly increases its resistance to strong reducing acids, especially sulfuric acid. It is also highly resistant to chloride attack, including pitting/crevice corrosion and stress corrosion cracking.

316 Stainless Steel Pipe

Grade 316 stainless steel is an austenitic form of stainless steel with a molybdenum content of 2-3%. The addition of molybdenum makes the metal more resistant to pitting and corrosion and improves its resistance to exposure to high temperatures. This grade of stainless steel is particularly effective when used in acidic environments. With this metal, corrosion caused by acetic acid, hydrochloric acid and other forms of acid can be prevented.

403 Stainless Steel Bar

403 stainless steel has excellent mechanical properties, including high hardness, high strength and high wear resistance. It is commonly used in the manufacture of high hardness tools, cutting tools, bearings and valves and other industrial parts, especially in applications requiring corrosion resistance and wear resistance. In addition, 403 stainless steel can also be used in food processing equipment, chemical equipment, medical equipment and other fields to meet the requirements of corrosion resistance and mechanical properties.

304L Stainless Steel Coil

304L is one of the austenitic stainless steels with a chromium content of at least 18%, a nickel content of at least 8%, and a maximum carbon content of 0.03. 304L stainless steel is an ideal choice for various household and commercial applications, with excellent corrosion resistance, ease of manufacturing and excellent formability. Austenitic stainless steels are also considered to be the easiest to weld among high alloy steels and can be welded by all fusion and resistance welding processes.
17 year

Production Experience

300 +

Active Employees

300000

Floor Area

50 +

Exporting Countries

SHANDONG GANGZHENG STEEL CO., LTD.

Its own factory was founded in 2009. It is a comprehensive, modern and high-quality enterprise integrating steel production, processing and sales, as well as a first-class agent for major domestic steel plants.We are an integrated enterprise combining manufacturing, processing, logistics and distribution, providing one-stop steel procurement solutions for customers around the world.

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APPLICATION AREAS

Steel is a fundamental material of modern industry, with extremely wide applications, covering almost all sectors of the national economy, including construction and infrastructure, machinery manufacturing, transportation, energy, home appliances, marine engineering, and aerospace.

Construction machinery manufacturing field

Construction machinery manufacturing field

Intelligent manufacturing field

Intelligent manufacturing field

Energy Industry

Energy Industry

Electronic Information Field

Electronic Information Field

Precision Instruments

Precision Instruments

Energy storage sector

Energy storage sector

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FACTORY WORKSHOP

We are an integrated enterprise combining manufacturing, processing, logistics and distribution, providing one-stop steel procurement solutions for customers around the world.

Factory workshop

Factory workshop

Factory workshop

Factory workshop

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Factory workshop

Factory workshop

Factory workshop

Factory workshop

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Factory workshop

NEWS CENTER

Carbon steel coils: Highly efficient and convenient, the core of metal coils empowering multiple industries

In industrial production and processing, carbon steel coils, as the rolled form of carbon steel plates, have become a key carrier connecting raw materials and finished product manufacturing due to their convenient transportation and flexible processing characteristics. With iron-carbon alloy as its core component, it retains the high cost-effectiveness and excellent comprehensive performance of carbon steel plates.

Stainless steel pipes: a model of corrosion-resistant pipe materials, empowering safe and efficient development in multiple fields.

In industrial production and public works projects, stainless steel pipes, with their core advantages of corrosion resistance, high strength, hygiene, non-toxicity, and long service life, have become the core material for fluid transportation, structural support, and precision manufacturing.

03-19

2026

Carbon steel pipes: pressure-resistant and durable, serving as the core of conveying and structural systems across multiple industries.

Carbon steel pipe is a tubular metal product made from carbon steel plates or coils through processes such as bending, welding, and seamless rolling. It is one of the most commonly used piping materials in industrial production.

01-23

2026

Galvanized steel sheet: A cost-effective choice for corrosion protection, empowering multiple industries to reduce costs and increase efficiency.

In the field of steel deep processing, galvanized steel sheet, with its core advantages of "low cost + strong corrosion resistance," has become one of the most widely used anti-corrosion steel materials, spanning multiple core sectors of the national economy such as construction, automobiles, home appliances, and logistics.

12-19

2025

Stainless steel sheet: a high-end metal sheet with strong corrosion resistance, applicable to multiple fields.

Stainless steel sheet is an alloy sheet made with iron as the base material and alloying elements such as chromium and nickel. Its core advantages lie in its excellent corrosion resistance, wear resistance, and aesthetic appeal. Unlike ordinary carbon steel sheets, it has a smooth and clean surface, good toughness, and excellent processing performance and high-temperature resistance.

11-21

2025

Galvanized steel pipe: A mainstay of anti-corrosion pipe materials, empowering safe and sustainable development in multiple fields.

In core areas such as fluid transportation, structural support, and municipal construction, galvanized steel pipes, with their core advantages of "high strength + strong corrosion resistance + high cost-effectiveness," have become one of the most widely used anti-corrosion pipe materials, spanning multiple key sectors of the national economy, including construction, municipal engineering, industry, and agriculture.

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