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Inspection methods for large diameter straight seam welded steel pipes
There are many methods for quality inspection of large-diameter straight seam welded steel pipes, among which physical methods are also commonly used. Physical inspection is a method that uses some physical phenomena to measure or inspect. The inspection of internal defects in materials or large-...Read more -
Heat treatment of stainless steel welded pipe
During the production process of stainless steel welded pipes, intermediate heat treatment, and finished product heat treatment can be carried out. Because a bright surface without oxidation can be obtained, the traditional pickling process is eliminated. The use of this heat treatment process no...Read more -
Protective Measures for Weakness of Stainless Steel Tee
1. Strictly control the quality of raw materials, starting with the material of pipes. Strict on-site inspection of stainless steel pipe and Stainless Steel Tees. To ensure that the material meets the requirements. Considering both economy and function in material selection, under special ope...Read more -
Advantages of High Frequency Welded Pipe (ERW) in Application
With the continuous development of the national economy, the demand for steel is also increasing, and the proportion of steel pipes in steel production is also increasing. Pipe production is basically divided into two categories, one is seamless steel pipe, which is mainly produced by rolling, ex...Read more -
Nominal and Actual Dimensions & Sizes of Seamless Steel Pipes
Introduction of nominal size and sctual size of seamless steel pipe: A. Nominal size: It is the nominal size specified in the standard, the ideal size expected by users and manufacturers, and the order size indicated in the contract. B. Actual size: It is the actual size obtained in the productio...Read more -
How to degaussing stainless steel cap by solid
Stainless steel cap will be magnetic, service life will be reduced, how to deal with stainless steel cap demagnetization 304 stainless steel cap after thermal processing, not single-phase austenite, there are a small amount of carbide. In order to obtain single-phase austenite and improve corrosi...Read more -
Why is the hardness of stainless steel socket flange low?
The data of low hardness and good toughness of stainless steel socket flange, such as low carbon steel and aluminium alloy, have low hardness and good toughness. Stainless steel socket flange is difficult to break chips during cutting, and it is easy to produce chip accumulating tumors, which aff...Read more -
Welding skills of stainless steel bellows and flange pipe
Stainless steel bellows are widely used in oil, water and gas pipelines, and most of them have a certain pressure. The thin bellows are often need to welded, but it’s difficult because they are thin (about 0.2mm). Welding methods have fusion welding, brazing and so on. Here we introduce the argon...Read more -
What is the role of solid solution treatment (annealing treatment) of stainless steel welded pipe
Austenitic stainless steel welded pipes are softened by solution treatment.-Generally, stainless steel pipes are heated to about 950 to 1150 ° C and held for a period of time, so that carbides and various alloy elements are fully and uniformly dissolved in austenite, and then quickly quenched Wat...Read more -
Alloy 304L Stainless Steel Pipe
GENERAL PROPERTIES Alloy 304L a T-300 series stainless steel austenitic, which has a minimum of 18% chromium and 8% nickel. Type 304L has a carbon maximum is 0.030. It is the standard “18/8 stainless” that is commonly found in pans and cooking tools. Alloys 304L is the most versatile and widely u...Read more -
Connection mode of stainless steel tee
Stainless steel tees can be divided into equal diameter and reducing diameter. The size of the main pipe and nozzle end of equal diameter tees is the same, the size of the main pipe and nozzle of different diameter tees is the same, and the size of the nozzle of branch pipe is smaller than that o...Read more -
Regular inspection is required after installation of stainless steel elbow
When installing the stainless steel elbow, the stainless steel elbow can be directly installed on the pipeline according to the connection mode, and installed according to the use position. Generally, it can be installed at any position of the pipeline, but it is necessary to facilitate the inspe...Read more
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