A 180-degree short radius elbow is a fitting used to change the flow direction of fluids or gases in a piping system by 180 degrees. Its main feature is its short bend radius, typically equal to the diameter of the pipe (R = 1D). This design allows the 180 ...

In the realm of metal processing and surface treatment, sandblasting and shot peening are two prevalent and essential techniques. Each has its unique characteristics and applications, playing a critical role in various scenarios. In this article, we will d ...

In welding, the type of joint varies depending on the thickness, structure, and usage conditions of the workpieces. The most common types of welding joints include butt joints, tee joints, corner joints, and lap joints. Below, we provide a detailed introdu ...

At Haihao Group, we are pleased to announce our latest order fulfillment for a valued client in Qatar. This order includes a comprehensive batch of ASME B16.9 pipe fittings, specifically designed to meet the rigorous demands of various industrial appli ...

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 ...

Beveling and edge thermal cutting are crucial processes in metal fabrication, especially for preparing metal components for welding. These methods are essential for creating the correct edge geometry to ensure proper weld penetration, minimize defects, and ...

Hydrostatic testing is a critical procedure in the pipeline and piping industry, ensuring the integrity and safety of pipe fittings before they are put into service. This testing method involves the use of water or another liquid to assess the strength and ...

When designing pressure vessels, the specifications and wall thickness of the steel pipes used for pipes can be selected according to the data in the table below. The minimum wall thickness of carbon steel and low alloy steel in the table includes a corros ...

As a professional supplier of pipeline system components, Haihao Group produces a wide range of fittings in various materials, often requiring extensive welding operations. With our rich welding experience, we understand the nuances of welding different ty ...

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 ...

All-position automatic welding is a highly efficient and quality-assured welding process that has gained considerable attention in the industry. This technique involves fixing and aligning the pipeline, after which a welding carriage moves the welding gun ...

Low-temperature corrosion in boilers refers to the sulfuric acid corrosion that occurs on the low-temperature heat exchange surfaces, such as economizers and air preheaters, located at the rear of the boiler. This type of corrosion is called low-temperatur ...

In the design of pressure vessels, the difference and connection of various thicknesses is a confusing problem that designers need to pay attention to, only a clear concept and a deep understanding of its internal meaning can be handy in determining the th ...

Over time, valves in piping systems can degrade, leading to cavitation—a phenomenon that causes significant damage to the system. Cavitation typically results from vibration and noise, accelerating the corrosion process. This issue occurs when high noise l ...

In pressure piping systems, valves perform critical functions—controlling flow, ensuring safety, and maintaining system integrity. To guarantee their performance under various operating conditions, type testing of industrial valves is not optional; it’s a ...

As an expert in the piping systems field, Haihao Group has actively participated in numerous FPSO (Floating Production Storage and Offloading) construction projects in recent years, supplying a wide range of piping system products certified by classificati ...

The hydrogen energy industry is composed of several key segments, including hydrogen production, storage, transportation, refueling, and utilization. Among these, the storage and transportation of hydrogen serve as critical links between production and end ...

1.Definition of Pipe Schedule (Sch) The pipe schedule number, abbreviated as Sch, is a numerical designation that represents the wall thickness series of pipes. It is defined as the ratio of the design pressure to the allowable stress of the pipe material ...

The ASME B16.9 A234 WPB eccentric reducer plays a critical role in the petrochemical industry, facilitating the smooth transition between different pipe sizes and ensuring efficient fluid flow. This article delves into the specific applications of this com ...

Stainless steel grades 304, 304L, 316, and 316L are widely used across various industries for their excellent properties. Here’s a focused comparison highlighting their key differences: ANSI B36.19 SS304 SCH30 concentric reducer 304 vs. 304L Stainles ...