September 26, 2022

ASTM A105 & A182 Material Can Produce Flanges of Types

Carbon Steel Flange: ASTM A 105 Stainless Steel Flange: ASTM A 182 Size: 1/2”-60” (DN15-DN3000) Pressure class: Class150-Class2500 Facing: RF/ FM/ M/ T G/ RF / FF / RTJ   ASTM A105 & A182 Material Can Produce Flanges of Types ASTM A105 & A182 Material Can Produce Flanges : Threaded […]
August 19, 2022

Differences between the characteristics of different grades of alloy steel pipes, and application cases

Differences between the characteristics of different grades of alloy steel pipes, and application cases 12CrlMoV This steel has the characteristics of creep limit and lasting strength values are similar, in the long-term stretch, it has high plasticity, its oxidation resistance and thermal strength are higher than 2CrMoV, and the workmanship […]
August 12, 2022

A691Gr2-1 / 4CrCL22 high temperature and high pressure steel pipe

First, SA691Gr2-1/4CrCL22 is mainly used as welded pipe for power equipment A691 grade is mainly used for high temperature and high pressure carbon steel and alloy steel point melt welded steel nominal pipe Second, SA691 is a high temperature and high pressure reconsideration condition with electric fusion welding steel and […]
August 12, 2022

Introduction to A335 P91 Alloy Pipe- 10Cr9Mo1VNb

A335 refers to the executive standard: ASTM A335 seamless ferritic alloy steel pipe for high temperature P91 is a material in the ASTM A335 standard: I. Introduction to 10Cr9Mo1VNb: 10Cr9Mo1VNb is equivalent to T91 or P91 and implements the standard ASTM A213 ASTM A335. 10Cr9Mo1VNb not only has high oxidation […]
July 15, 2022

Quality requirements for seamless steel pipes

(1) Quality requirements ①Chemical composition of steel: The chemical composition of steel is one of the most important factors affecting the performance of seamless steel pipes, and it is also the main basis for formulating process parameters for rolling and heat treatment of steel pipes. Alloying elements: intentionally added, according […]
July 9, 2022

erw ,roll bending pipes,sprial pipes,different manufacturing processes

pdf downloads: welded pipes different manufacturing processes MAJOR PODUCTION USAGE: The manufacturing process of different welded pipes,Comparison table of steel pipe manufacturing standard grades in different countries. pdf  downloads:02.Comparison table of steel pipe manufacturing standard grades in different countries    
July 5, 2022

Classification, production process and mechanical properties of seamless steel pipes

According to different production methods, it is divided into hot-rolled pipe, cold-rolled pipe, cold-drawn pipe, extruded pipe, pipe jacking, etc., all of which have their own process regulations. The materials are ordinary and high-quality carbon structural steel (Q215-A~Q275-A and 10~50 steel), low alloy steel (09MnV, 16Mn, etc.), alloy steel, stainless […]
June 29, 2022

gas piping system Installation Inspection

Natural gas pipe mainly contains a gas mixture called methane. Natural gas is formed by chemical changes in the remains of plants and animals that existed millions of years ago and remains deep in the Earth’s crust over time under the influence of heat and pressure. Natural gas pipe is usually […]
June 29, 2022

Piping System Inspection

The Plumbing Systems segment includes plumbing and drainage installations, air conditioning and heating installations, fire and security alarm installations, lighting systems and many other construction works. Looking at this sector as a whole, the following four basic sub-sectors can be seen: Plumbing Services: Covers general plumbing services, including water supply […]
June 29, 2022

API 5L Pipeline Inspection and Testing

The API 5L standard and specification, developed by the American Petroleum Institute (API), covers oil, gas, and water pipelines in the oil, gas, and water distribution industries. The full name of the standard is as follows: API 5L Pipe Inspection and Testing.   According to this standard, pipes are classified according […]