Products News
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Extended diameter of straight seam welded steel pipe
The current forming methods of large-diameter longitudinal submerged arc welded steel pipes include UOE forming method, row roll forming method (CFE), CE forming, and so on. For most of the forming methods, the last process is to carry out a full-length diameter expansion on the welded tube blank...Read more -
Stainless steel pipe processing steps
The variety of surface processing of stainless steel broadens its application field – different surface processing makes the surface of stainless steel different, making it unique in application. Surface finishing of stainless steel pipe is important for many reasons in architectural applic...Read more -
The use of stainless steel seamless steel pipe
Stainless steel seamless pipe is safe, reliable, hygienic, environmentally friendly, economical, and applicable, the thin wall of the pipe and the successful development of a new reliable, simple, and convenient connection method make it more irreplaceable advantages of other pipe materials, and ...Read more -
Selection guide for stainless steel pipes
First, what material stainless steel pipes are currently on the market, and what are the differences in their quality? At present, there are mainly 304, 201, and 301 materials on the market. The difference is mainly due to the different contents of chromium and nickel. Material 304 contains 18 ch...Read more -
Do you know the three hardnesses of stainless steel pipes
Rockwell hardness The Rockwell hardness test of stainless steel pipes is the same as the Brinell hardness test, which is an indentation test method. The difference is that it measures the depth of the indentation. The Rockwell hardness test is a widely used method at present. Among them, HRC is s...Read more -
Causes and preventive measures of undercutting of single and double sides of submerged arc welded steel pipe
1. Reasons for the formation of submerged arc welded steel pipes ① Welding wire joint: Due to the change in the diameter and smoothness of the welding wire joint, the wire feeding speed will change suddenly when the welding wire joint passes through the wire feeding wheel, which will cause the in...Read more