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  • Steel Briefing

    Steel Briefing

    Key Trends: The steel industry is reaching a turning point. Market data shows a profound adjustment in product structure, marking a historic shift. The output of hot-rolled rebar (construction steel), which long held the top position in production, has declined significantly, while hot-rolled wid...
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  • Differences Between 201 and 304 Stainless Steel Plates

    Differences Between 201 and 304 Stainless Steel Plates

      201 and 304 stainless steel plates are two of the most commonly used grades in austenitic stainless steel. Their core difference lies in chemical composition (content of nickel and chromium), which further leads to distinct variations in corrosion resistance, mechanical properties, cost...
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  • Differences Between American Standard (ASTM) and Chinese Standard (GB) Pipes

    Differences Between American Standard (ASTM) and Chinese Standard (GB) Pipes

      The core differences between American Standard (predominantly ASTM series standards) and Chinese Standard (predominantly GB series standards) pipes lie in the standard system, dimensional specifications, material grades, and technical requirements. Below is a structured detai...
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  • Let’s learn about natural gas pipelines.

    Let’s learn about natural gas pipelines.

    Carbon Steel/Low Alloy Steel Pipes Material: X42, X52, X60 (API 5L standard steel grade), corresponding to Q345, L360, etc. in China; Features: Low cost, high strength, suitable for long-distance pipelines (high pressure, large diameter scenarios); Limitations: Requires anti-corrosion treatmen...
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  • Rebar – an indispensable building material in construction

    Rebar – an indispensable building material in construction

      I. Diameter Specifications (Main Application Range) The diameter specifications of HRB400E rebar must strictly comply with the “Hot-rolled Ribbed Steel Bars for Reinforced Concrete” (GB/T 1499.2-2018). The nominal diameter range is 6mm-50mm, covering most stress scenarios i...
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  • Understanding the strength of ASTM A500 square tubing

    Understanding the strength of ASTM A500 square tubing

      Welcome to our blog! In today’s article, we will discuss the American Standard ASTM A500 Square Pipe and its significance in the steel export industry. As a leading ASTM A500 standard steel pipe producer and supplier, Shandong Zhongao Steel Co., LTD. is committed to providing high-...
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  • Advantages of using reinforcing steel bars, why choose reinforcing steel bars

    Advantages of using reinforcing steel bars, why choose reinforcing steel bars

    The advantages of using reinforcing steel bars are mainly reflected in the following aspects: High strength: Reinforcing steel bars have high tensile and compressive strength, capable of withstanding large external loads, ensuring the stability and safety of buildings. Corrosion resistance: The s...
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  • 201 stainless steel

    201 stainless steel

    201 stainless steel is an economical stainless steel with good strength and corrosion resistance. It is mainly used for decorative pipes, industrial pipes and some shallow drawing products. The main components of 201 stainless steel include: Chromium (Cr): 16.0% – 18.0% Nickel (Ni): 3.5% &#...
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  • 316 Stainless Steel Coil Introduction

    316 Stainless Steel Coil Introduction

    316 stainless steel coil is an austenitic stainless steel material with nickel, chromium, and molybdenum as the primary alloying elements. The following is a detailed introduction: Chemical Composition The main components include iron, chromium, nickel, and molybdenum. The chromium content is ap...
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  • Shandong Zhongao Steel Co., Ltd.,

    Shandong Zhongao Steel Co., Ltd., established in July 2015 and headquartered in Liaocheng, Shandong Province, a major hub of China’s steel industry, is a comprehensive enterprise focused on metal material trading, integrating processing, warehousing, logistics, and import and export operati...
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  • Building a Strong Pipeline “Protection Shield”

    Upgrades in Steel Pipe Anticorrosion Technology Protect the Safety and Lifespan of Industrial Transportation In the petrochemical, municipal water supply, and natural gas transportation sectors, steel pipes, as core transportation vehicles, are constantly exposed to multiple challenges, including...
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  • Seamless Steel Pipe: The “Steel Blood Vessels” of the Industrial World

    In modern industrial systems, seamless steel pipe is an indispensable core material. Its seamless structure makes it a key carrier for fluids, energy, and structural support, earning it the nickname “the steel blood vessels” of the industrial world. The core advantage of seamless stee...
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