Difference between ASTM A53 straight weld pipe vs spiral weld pipes?
Oct .10.2024
ASTM A53 straight-weld and spiral-weld pipe are two kinds of welded steel pipe. Both options offer superior performance for a wide range of applications, which makes them some of the most popular kinds of pipe for any construction project. But, these welded steel pipes have some very fundamental differences.
Why does ASTM A312 304/304L stainless steel pipe crack?
Sep .30.2024
304L stainless steel pipe is a more common type of stainless steel materials, many of the processing plant, 304L stainless steel pipe may occur in the process of machining line crack, scarring, surface defects such as inclusions, and scarring, these defects is roughly due to slab outer arc Angle of subcutaneous appeared transverse crack, there are tiny impurities mixed with in the crystallizer, finishing clean up without oxidation residue on the surface of the stainless steel pipe, as well as in the rolling process due to slab edges to the stainless steel pipe surface caused by the cartwheel.
What are the expression methods of API 5L steel pipe hardness?
Sep .26.2024
The hardness expression method of API 5L seamless steel pipe has Brinell hardness (HB), Rockwell hardness (HRC), Vickers hardness (HV), Leeb hardness (HL) are four different hardness testing methods, each of which has its own unique testing principle, application range and characteristics. The following are the detailed differences between the four hardness testing methods: