zora li

zora li

Joined: August 16th, 2022
Articles Posted: 73


Published 20 Hours Ago
Why does the seamless steel pipe fold?
Inward bending is a common quality problem in the production of seamless steel pipes.

Published 2 Days Ago
Cyclic pickling of seamless carbon steel pipes
Pipeline pickling method and general requirements

Published 5 Days Ago
The difference between ERW steel pipe and SSAW steel pipe
Raw material difference;Differences in production process;Purchasing costs are different;Geometry

Published 5 Days Ago
Production process of SSAW pipes
Submerged arc welding is an important welding method.

Published 7 Days Ago
Standards for seamless steel pipes
1. General purpose seamless steel pipe ASTM A53 GR.B2. ASTM A106 GR.B seamless steel pipe for high temperature service3. Line pipe API SPEC 5L, steel grade4. ASTM A106/A53/API 5L GR.B, steel grade

Published 7 Days Ago
Seamless steel pipe hot extrusion
The hot extrusion process of seamless pipe is a pressure forming method, which is to place the tube blank in a pressure-resistant container, and apply an external force to make the tube blank plastically deform under a three-dimensional compressive stress

Published 8 Days Ago
What is the impact toughness of ERW steel pipe?
How to improve the impact toughness of ERW steel pipe weld is a major problem in pipe making technology.

Published 11 Days Ago
Hardness index of seamless pipe
Seamless steel pipes are commonly used to measure Brinell hardness, Rockwell hardness and Vickers hardness.

Published 12 Days Ago
What is the difference between ERW pipe and LSAW steel pipes?
"ERW steel pipe" is a high frequency straight seam electric resistance welded pipe. It is used to transport steam and liquid objects such as oil and natural gas, and can meet various high and low pressure requirements.

Published 13 Days Ago
How to avoid seamless pipe rupture
When cleaning seamless steel pipes, use organic solvents and solvents to clean the surface of seamless steel pipes to remove oil

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