Hengtong Updates

How to assess the quality of steel pipes

03 Jan,2024

How to assess the quality of steel pipes

Here’s what you need to know about methods for identifying the quality of steel pipe products.


On the Law of the People’s Republic of China on the Prevention and Control of Environmental Pollution by Solid Waste

02 Jan,2024

On the Law of the People’s Republic of China on the Prevention and Control of Environmental Pollution by Solid Waste

Strictly enforce the relevant provisions of the pollutant discharge permit management system and, in accordance with the law, promptly disclose information on the environmental prevention and control of hazardous waste.


Introduction to Types of Anti-Corrosion Steel Pipes

01 Jan,2024

Introduction to Types of Anti-Corrosion Steel Pipes

Anti-corrosion steel pipes are manufactured by applying an anti-corrosion coating to steel pipelines. Depending on the classification criteria, anti-corrosion steel pipes come in various types.


Inspection of Welded Elbows

29 Dec,2023

Inspection of Welded Elbows

Visual inspection, conducted primarily by the naked eye and with a magnifying glass, can reveal surface defects in welded elbow welds, such as undercut, weld buildup, surface cracks, porosity, slag inclusions, and burn-through.


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The anti-corrosion metal pipe forging industry has achieved a new breakthrough.

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How to assess the quality of a necked flat‑weld flange

How do you assess the quality of a necked flat‑weld flange? This is a concern for many customers. Here are five methods to help you make an accurate selection.

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