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The customer in Iran ordered 19.1 tons of Cold drawn SMLS alloy tubes
Cold Drawn Seamless Mechanical Tubing (CDS) is a cold drawn 1018/1026 steel tube which offers uniform tolerances, enhanced machinability and increased strength and tolerances compared to hot-rolled products. A customer in Iran ordered 19.1 tons of Cold Drawn Seamless Mechanical Tubing (CDS) in ou...Read more -
The delivery of ASTM A31 stainless steel weld pipe
Recently, a customer from Canada ordered a batch of stainless steel weld pipe. The size is 273.1*4.19mm, the material is ASTM A31. After production, we have tested their appearance, size and other aspects and passed the test. After seeing the photos of the product and packaging, the customer exp...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 -
HUNAN GREAT STEEL PIPE CO.,LTD FINISHED THE ORDER OF STAINLESS STEEL PLATE
Product:STAINLESS STEEL PLATE Quantity:27.01 MT Size: 1000mm*3000mm*1.5mm 1500mm*3000mm*1.5mm 1500mm*3000mm*2mm 1000mm*3000mm*2mm 1000mm*3000mm*2.5mm 1500mm*3000mm*3mm 1000mm*3000mm*3mm 1500mm*3000mm*1.2mm Standar:ASTM A-240,304-L SURFACE-FINISHED:2B On June,5th,2022,the order has been finished...Read more -
Canada maintains AD & CVD duties on welded large diameter line pipes from China, Japan
The Canadian International Trade Tribunal (CITT) announced its ruling regarding the anti-dumping (AD) measure on welded large diameter carbon and alloy steel line pipe from China and Japan and the countervailing duty (CVD) measure on these products from China, finding that the expiry of the exist...Read more -
Russian Steel Producer MMK Added to Latest US Sanctions List
On August 2, the United States officially added integrated steelmaker Magnitogorsk Iron & Steel (MMK) and its chairman Viktor Rashnikov to its list of sanctioned entities. The move is yet another punitive measure in response to Russia’s February invasion of Ukraine, in hopes that the steel ma...Read more -
What is hot straightening
What is hot straightening? Hot straightening is an operation to correct the deformation by applying external force or changing the internal stress state of steel parts in various ways with the help of the characteristics of good plasticity of steel parts at a certain temperature. Due to the heati...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 -
major avoidance principles in pipeline construction
1. Small tubes avoid large tubes: Small tubes are easy to bend and low in cost. 2. The branch pipe avoids the main pipe: The branch pipe generally has a smaller pipe diameter, and the influence scope and importance of the branch pipe are less than the main pipe. 3. Pressured tubes a...Read more -
Steel Pipe Delivery Status (Condition)
1. Delivery status Delivery status is a commonly used term in steel pipe standards, which refers to the final plastic deformation or final heat treatment status of the delivered steel pipe product. Generally, those delivered without heat treatment are called hot-rolled or cold-drawn (rolled) manu...Read more
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