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 ...

Cyclic failure modes refer to the types of failures that occur in pressure vessels after long periods of operation under cyclic loading conditions. These failures develop as the vessel is repeatedly subjected to loading and unloading cycles, which can lead ...

Pressure vessels are subject to various failure modes, classified into short-term, long-term, and cyclic failures. This article focuses on long-term failure modes, which occur over an extended period under non-cyclic loading. These modes include creep rupt ...

Pressure vessels can experience various failure modes, typically categorized into three types: (1) short-term failure modes, (2) long-term failure modes, and (3) cyclic failure modes. This article focuses on short-term failure modes, which occur suddenly u ...

Recently, Haihao Group had the opportunity to assist an Indonesian customer with a specialized request. The customer sought two distinct products: stainless steel woven mesh and square hollow section steel pipes. As a company with over forty years of exper ...

The type testing project for rotary compensators are comprehensive process that ensures the product meets all necessary standards and specifications. 1.Technical Document Review The type testing of rotary compensators involves a thorough review of technica ...

Rotary compensators, also known as rotary expansion joints, are mechanical devices used in piping systems to absorb and compensate for thermal expansion, contraction, and other movements. These compensators are designed to accommodate rotational and angula ...

Quenching and tempering is a heat treatment process used to improve the mechanical properties of metals and alloys. The process involves heating the material to a high temperature, then cooling it rapidly (quenching), followed by reheating it to a lower te ...

Quenched and tempered steel undergoes a heat treatment process that includes both preliminary and final heat treatments. The objective is to achieve steel with a balanced combination of strength, toughness, and hardness, making it ideal for mechanical part ...

Quenched and tempered steels are categorized based on their hardenability into three types: low, medium, and high hardenability steels. These steels are widely used in various mechanical applications due to their ability to undergo heat treatment, which en ...

1. Working Conditions of Tempered Steel Tempered steel is primarily used for manufacturing transmission and connecting components in machinery. These parts are subjected to complex stresses during operation, including rotational, tensile, compressive, bend ...

Definition of Cryogenic Temperature According to SH/T3525-2015 Petrochemical Welding Code for Low-Temperature Steel, the definition of cryogenic temperature varies depending on the standard. Several references define cryogenic steel temperature as -10°C, - ...

Cryogenic valves, including gate valves, globe valves, ball valves, check valves, and butterfly valves, are crucial in industries dealing with extremely low temperatures. The type testing of these valves involves a series of technical reviews and stringent ...

Haihao Group is proud to announce the successful completion of a hydrostatic test for a customized pipe fitting ordered by one of our esteemed clients. The test was meticulously carried out, with pressure being incrementally increased twice, ultimately rea ...

When it comes to piping systems, selecting the right components is crucial for ensuring reliability and performance. One such component that plays a vital role in changing the direction of flow within the piping system is the elbow. Specifically, the ASME ...

In the realm of chemical pipeline engineering, understanding and accurately determining the design pressure and design temperature are paramount. These parameters ensure the safety, durability, and operational efficiency of pipelines and their components u ...

The selection of a safety valve is a critical process that depends on several key factors. These include the operating pressure, operating temperature, set pressure, type of medium, and discharge capacity. Here’s a detailed guide on the criteria and ...

In piping systems, reducers play a crucial role in connecting pipes of different diameters. Among the various types of reducers, eccentric reducers are particularly noteworthy due to their unique design and specific applications. This article aims to eluci ...

Weld reinforcement, also known as weld bead height or weld crown, refers to the protrusion of weld metal above the base material surface after welding. While a certain degree of reinforcement is necessary for weld strength and integrity, excessive weld rei ...