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30.07.2018

The Shanghai Glass-lined Equipment Exhibition 2018

Exhibition Name: The Shanghai Glass-lined Equipment Exhibition 2018 Exhibition Date: from 19th to 21st November, 2018 Exhibition venue: Shanghai Address: Shanghai New International Expo Center Contra...
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Technical Articles
  • Posted: 06/18/2015 16:38:44  Hits: 701
    In general, hardness indicators of Brinell, Rockwell and Vickers hardness index are adopted to measure the hardness of steel. 1. Brinell Hardness In stainless steel tube standard, Brinell Hardness is the most commonly used, often impress diameter is applied to express the hardness of the material, which is intu...
  • Posted: 06/12/2015 15:20:39  Hits: 357
    Seamless steel pipe is a kind of strip steel with hollow section and no seams around. Steel pipe has a hollow section, a large number of which are used as pipes transforming fluid, such as oil, natural gas, coal gas, water and some solid materials, and so on. Compared with solid steel such as round steel, steel pipe ...
  • Posted: 05/29/2015 08:52:25  Hits: 431
    Stainless steel pipe fitting materials can't contact with other metals directly when lifting, non-metallic materials such as wood or rubber sheet should be padded. Arc striking and arc stopping of stainless steel pipe fittings: back welding method should be adopted for arc striking and must be made within the...
  • Posted: 05/18/2015 15:31:47  Hits: 390
    Production process of spiral steel pipe is complex, but it is one of the most popular steel pipes because it can be used widely. Spiral steel pipes are produced through welding process, then what issues should be noticed in the welding process? Let’s find out these questions one by one. Straight seam welded...
  • Posted: 05/15/2015 14:40:45  Hits: 349
    Precise stainless steel pipe refers to stainless steel pipes with austenitic organization in normal temperature. Stainless steel tubes contain about 0.1% C, 18% Cr, 8% ~ 10% Ni, with stable austenite organization. Common heat treatment technologies are: solution treatment, stabilizing treatment and stress relief trea...
  • Posted: 05/06/2015 14:47:47  Hits: 352
    Corrosive forms of sanitary stainless steel tubes mainly includes crevice corrosion, pitting corrosion, balanced corrosion,  intergranular corrosion and stress corrosion, etc. Crevice Corrosion Crevice corrosion refers to local corrosion caused by electrochemical imbalance of the medium in the seams of san...
  • Posted: 04/29/2015 08:25:46  Hits: 336
    Precise stainless steel pipe is safe and reliable, sanitary and environment protecting and affordable. Thin wall of pipe and successful development of new methods for reliable, simple and convenient connection endow it with many irreplaceable advantages. And the application in project will be more and more frequent and...
  • Posted: 04/21/2015 13:45:14  Hits: 422
    Welding technology of stainless steel welded pipe is significant.  Some knowledge is introduced as follows to ensure you have a better understanding of stainless steel welded pipe.  As for what is included, please read on. A. Equipment a. If it is argon arc welding, then direct current infusible a...
  • Posted: 04/17/2015 16:58:34  Hits: 417
    Hot dip galvanizing can protect steel pipes very well. When zinc is in liquid state, plate the steel with a thick layer of pure zinc after the complicated physical and chemical interaction and thus will make the hot dip galvanizing come into being. Also a zinc and steel alloy layer will be generated during this proce...
  • Posted: 03/19/2015 11:10:02  Hits: 455
    Some proposals for stainless steel pipe procurement    1. Various performance indicators (mechanical properties, wall thickness, surface): in fact, as a seller, it is good enough to know what is the material and surface of goods. It is not realistic for them to know all various performance indica...