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Zinc-Aluminum-Magnesium (ZAM) vs Hot-dip galvanizing (HDG)

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Definition What is Zinc-Aluminum-Magnesium (ZAM)? Zinc-aluminum-magnesium (ZAM) is a high-performance metallic coating applied to steel designed to offer superior corrosion resistance, durability, and heat resistance compared to traditional galvanizing (zinc-only coatings). The coating combines zinc (Zn), aluminum (Al), and magnesium (Mg), which provides unique advantages in various applications. What is Hot-dip galvanizing? (HDG)? Hot-dip galvanization is a form of galvanization. It is the process of coating iron and steel with zinc, which alloys with the base metal surface when immersing the metal in a bath of molten zinc at a temperature of around 450 °C (842 °F). When exposed to the atmosphere, the pure zinc (Zn) reacts with oxygen (O2) […]

Onshore vs Offshore Pipeline and Piping

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Introduction In the realm of energy transportation, the distinction between onshore and offshore pipelines and piping systems plays a crucial role in the efficiency, safety, and environmental impact of resource extraction and distribution. Onshore pipelines, typically situated on land, are designed to transport oil, gas, and other fluids over varying distances, benefiting from relatively more straightforward access for maintenance and monitoring. Conversely, offshore pipelines, laid on the seabed or suspended in water, present unique engineering challenges due to harsh marine conditions and logistical complexities. Understanding the Onshore vs Offshore Pipeline and Piping in design, construction, and operational considerations between these two types of pipelines is essential for optimizing infrastructure development […]

L80-9Cr と L80-13Cr: 知っておくべきこと

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Choosing the proper casing and tubing materials can ensure safety and efficiency in oil and gas drilling and exploration. L80-9Cr and L80-13Cr are two alloy steel grades commonly used in petroleum casing and tubing. Each grade has unique characteristics and applications. L80-9Cr vs L80-13Cr, this article will delve into the difference between these materials to help you make an informed decision. 1. Overview of L80 Grade L80 is an alloy steel used in the oil and gas sector. It is known for its good strength and corrosion resistance. It is typically employed in high-temperature and high-pressure environments and is suitable for both oil and gas production. 1.1 L80-9Cr Composition: Contains […]

陸上および洋上風力タービン用円形中空構造セクション

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As the demand for renewable energy continues to rise globally, offshore wind power has emerged as a vital solution. This article delves into the significance of structural circular hollow sections (CHS) used in the supporting structures of offshore wind turbines, exploring their design, material properties, and applications. 1. Understanding Structural Circular Hollow Sections Structural circular hollow sections are cylindrical tubes with a hollow center. These sections play a crucial role in the support structures of offshore wind turbines, which are primarily designed to bear the turbine’s weight and withstand external environmental pressures. 2. Material Properties of Structural Circular Hollow Sections Carbon Steel: S355MH, S355MLH, S420MH, S420MLH, S460MH, S460MLH, S460QH, S460QLH, […]

2024年9月の粗鋼生産量

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In September 2024, the world crude steel production for the 71 countries reporting to the World Steel Association (world steel) was 143.6 million tonnes (Mt), a 4.7% decrease from September 2023. Crude steel production by region Africa produced 1.9 Mt in September 2024, up 2.6% on September 2023. Asia and Oceania produced 105.3 Mt, down 5.0%. The EU (27) produced 10.5 Mt, up 0.3%. Europe, Other produced 3.6 Mt, up 4.1%. The Middle East produced 3.5 Mt, down 23.0%. North America produced 8.6 Mt, down 3.4%. Russia & other CIS + Ukraine produced 6.8 Mt, down 7.6%. South America produced 3.5 Mt, up 3.3%. Table 1. Crude steel production by […]

違いを知る: API 5L と ISO 3183

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ISO 3183 and API 5L are standards related to steel pipes, primarily for use in the oil, gas, and other fluid transportation industries. While there is significant overlap between these two standards, API 5L vs ISO 3183, key differences exist in their scope, application, and the organizations behind them. 1. Issuing Organizations: API 5L vs ISO 3183 API 5L: Issued by the American Petroleum Institute (API), this standard is primarily used in the oil and gas industry. It details the technical requirements for steel pipes transporting oil, gas, and water. ISO 3183: Issued by the International Organization for Standardization (ISO), this standard is internationally recognized and used globally for steel […]