Recently, Haihao Group applied sandblasting treatment to a batch of elbows, aiming to enhance the durability and quality of these essential pipe fittings. Sandblasting is a surface preparation technique that involves propelling abrasive particles, typicall ...

When it comes to piping systems,the choice of flange is critical to ensure stability and performance. In this article, we will mainly introduce the differences between anchor flanges and weld neck flanges. Anchor Flanges Anchor flanges are specifically des ...

Haihao Group is committed to providing the highest quality products to our clients. Recently, we received an order for half couplings from our Iranian customer, who has specified rigorous quality inspection requirements before shipment. This commitment to ...

Haihao Group is pleased to announce the recent order from our Iranian client for a batch of half couplings made from high-quality alloy steel. These half couplings are designed to meet stringent industry standards, ensuring their reliability and performanc ...

Recently, Haihao Group has completed a comprehensive quality inspection of a batch of steel pipe coatings. This rigorous process ensures that our products meet the highest industry standards and provide reliable protection against corrosion and environment ...

Haihao Group is excited to announce our participation in the upcoming Abu Dhabi International Petroleum Exhibition & Conference (ADIPEC) 2024, which will take place from November 4th to November 7th. This prestigious event is held annually at the Abu D ...

Haihao Group received a request from a client in the UK, seeking to order a batch of U channel earth beam uprights. This specific product is designed according to Drawing provided by customers, showcasing our commitment to providing tailored solutions for ...

In piping systems, selecting the right component for sealing the ends of pipelines is essential for ensuring safety, reliability, and functionality. Two common solutions for closing off pipelines are pipe caps and blind flanges. Though they may seem simila ...

Haihao Group recently delivered an order of EN 10253-3 316L equal tee fittings to our valued Russian customer. This fitting plays a crucial role in piping systems across various industries, such as chemical processing, oil and gas, and water treatment faci ...

Recently, a German client ordered a batch of ASME B16.9 A106 Gr. B 180° SR elbows from Haihao Group. This product is a critical component in pipeline systems, especially where a 180-degree turn is required in compact spaces. The ASME B16.9 A106 Gr. B 180° ...

At Haihao Group, we are pleased to announce the successful fulfillment of an order for a valued client in Qatar. This shipment features a comprehensive batch of ASME B16.9 pipe fittings, specifically designed to meet the rigorous demands of various industr ...

Salt spray testing is divided into two main categories: natural environment exposure testing and artificial accelerated salt spray environment testing. The latter involves using specialized equipment, known as a salt spray test chamber, where an artificial ...

Haihao Group proudly participated in Tube China 2024, where we successfully handled hundreds of clients from various industries. Our team’s professionalism, strict standards, and genuine approach earned the trust of many, making them choose Haihao Gr ...

Haihao Group has been actively involved in numerous marine pipeline projects, including subsea pipelines, large ship piping systems, and offshore drilling platforms. Many of these projects require that the piping system products undergo rigorous salt spray ...

Haihao Group is proud to announce the production of MSS-SP-97 ASTM A105 sockolets for our valued client in Singapore. Sockolets are specialized fittings that enable the branching off of a smaller pipe from a larger one, offering a seamless and efficient wa ...

First, let’s clarify the purpose of the pressure test. The pressure test is conducted to ultimately verify the overall strength and reliability of a pressure vessel. It assesses the manufacturing quality, the strength and rigidity of each pressure-be ...

The 2024 International Pipe Exhibition will be held at the Shanghai New International Expo Center from September 25 to 28, 2024.This premier event will showcase the latest advancements in tube and pipe manufacturing technologies, and we are thrilled to be ...

The mechanical properties of metallic materials play a crucial role in determining their performance and durability in various applications, especially in the field of mechanical engineering. These properties include strength, plasticity, hardness, impact ...

Choosing the right materials for pressure vessels is crucial for both economic efficiency and safety. The following guidelines outline how to select materials that strike a balance between cost-effectiveness and suitability for the intended use. 1.General ...

In the design and operation of pressure vessels, several key temperature parameters are critical for ensuring safety and functionality. These include operating temperature, metal temperature, design temperature, and the minimum design metal temperature (MD ...