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Advantages of Three-cathode Argon Arc Welding
12-05 2024

Stainless steel welded pipes are more and more widely used because of their relatively high economical manufacturing cost and the advantages of pipe performance comparable to those of seamless steel pipes. Stainless steel welded pipe production lines are also favored by more and more pipe manufactur

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Steel Pipe Industry Trends: Innovation, Sustainability, and Global Growth Shaping the Future
11-27 2024

Here’s an article in English about current trends in the steel pipe industry, with a connection to international trends and recent news:Current Trends in the Steel Pipe Industry and Their Global ImplicationsThe steel pipe industry has always been a critical part of global infrastructure, providing e

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‌The Main Reasons for Using Lubricants in Oil Drawing Machines
11-26 2024

‌The main reasons for using lubricants in oil drawing machines include the following aspects‌:Pipeline drawing machines are divided into two types: air drawing and oil drawing. There are many benefits of pipeline oil drawing. Hangao has joined hands with the industry's top technology companies to jo

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The Importance of Heat Treatment To Large Diameter Steel Pipes
11-20 2024

HANGAO Tech (SEKO) takes you to have a look reasons why large-diameter steel pipes require heat treatment include increasing strength and hardness, improving wear resistance and corrosion resistance, eliminating internal stress, improving mechanical properties and processability, etc.

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Meet You on METAL-EXPO 2024, Moscow, Russia!
09-12 2024

Hangao will attend to 2024 Russian Metallurgical Exhibition. It is the largest metallurgical steel exhibition in Russia.Mate Expo is undoubtedly a shining star in the metal processing industry. Looking forward to meet you there!

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​Global Trade Updates – November 2024
11-19 2024

The global trade landscape has experienced significant developments this month, reflecting economic shifts and policy impacts across regions.1. China’s Export Surge: China's exports rose by 12.7% in October, ahead of anticipated tariff changes under the incoming U.S. administration. This sharp rise

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What Impact Will Trump's Election Have on China's Foreign Trade?
11-21 2024

Trump's election has had an impact on the global trade environment, which is undoubtedly a major challenge for China's foreign trade enterprises. As a trade protectionist, Trump's policy propositions have a direct impact on Sino-US trade relations, which in turn affects China's foreign trade.First,

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How Many Kinds of Annealing Processes Are There?
11-07 2024

Commonly used annealing processes have the following categories:1. Complete annealing. It is used to refine the coarse superheated structure with poor mechanical properties after casting, forging and welding of medium and low carbon steel. The workpiece is heated to the temperature of 30~50℃ above w

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The Production Process And Advantages of Finishing Rolled Pipe
10-31 2024

As the molding process of stainless steel welded pipe becomes more and more mature, many places that need to use stainless steel pipes have begun to slowly change from the original stainless steel seamless pipe to stainless steel welded pipe, the advantage of this is to reduce manufacturing costs fo

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Why Coil Tube Annealing Machines Are Essential for Modern Metallurgy
10-14 2024

In the world of metallurgy, the process of annealing is crucial for ensuring the quality and durability of metal products. Coil tube annealing machines have emerged as a vital tool in this process, offering unparalleled efficiency and precision. This article delves into the significance of these mac

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