News
-
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 -
A brief introduction to the role of the flange
Flanges are parts that are connected between steel pipes and steel pipes and are generally used for connection between pipe ends. Flanges are mainly used in industry and play an important role in industrial manufacturing. Therefore, the market demand for flanges is relatively large. As an industr...Read more -
Performance of 316 capillary stainless steel tube
Capillary stainless steel tubes generally refer to thin tubes with an inner diameter of less than or equal to 1mm. Because such tubes are as thin as a hair, they are called capillary tubes. Its use occasions include medicine, building materials, automatic instrument signal tubes, instrument wire ...Read more -
Straight seam steel pipe implementation standards and technological progress
Welded steel pipe, also known as welded pipe, is a steel pipe made of steel plate or steel strip after crimping and welding. Welded steel pipe has a simple production process, high production efficiency, many varieties and specifications, and less equipment investment, but its general strength is...Read more -
Features of hot dip plastic steel pipe
1. The superior antistatic performance of hot-dip plastic steel pipe: through the addition of antistatic agents in the formula, the internal and external surface resistance can reach and exceed the relevant national industry standards. 2. Flame retardant performance of hot-dip plastic steel pipe:...Read more