High-pressure boiler tube VS ordinary boiler tube
Boiler tube is a seamless tube, and the manufacturing method is the same as that of seamless tube, but there are strict requirements on the steel type used to manufacture steel tube. According to the use temperature, it can be div...
2024-07-01
What is bright annealed tube?
Bright annealed tube is a stainless steel tube processed by a special heat treatment process, and its main feature is the highly optimized surface quality.The main purpose of bright annealing treatment is to remove scale, oil stai...
2024-06-28
Small-diameter welded steel pipe
Small-diameter welded steel pipe is a steel pipe made by curling and welding steel plates or strips. The production process of small-diameter welded pipes is simple, the production efficiency is high, there are many varieties and ...
2024-06-28
ASTM A519 GR 4130
ASTM A519 Grade 4130 is a carbon steel seamless tube and aluminum alloy steel seamless tube for mechanical engineering manufactured in accordance with American Society for Testing and Materials.Chemical compositionGradeCMnPmaxSmax...
2024-06-27
How to judge the quality of spiral steel pipes
1. First, conduct an appearance inspection to observe whether the surface of the spiral steel pipe is flat and smooth, and whether there are obvious cracks, bubbles, inclusions, scratches or other mechanical damage. These defects ...
2024-06-27
ASTM A500 rectangular tube
ASTM A500 rectangular tube is a tube produced according to the standard specification A500 formulated by the American Standards Association (ASTM), mainly used in the field of structural engineering.Tensile properties of ASTM A500...
2024-06-26