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Technical Inspection of ssaw steel pipe

2023-12-18 15:07:50
The ssaw steel pipe adopts the advanced double-sided submerged arc welding process. When welding, it should be ensured that the weld bead has no impurities, no misalignment, and no welding defects suc...

How to remove scale on stainless steel seamless pipe

2023-12-18 15:07:51
I believe everyone is familiar with stainless steel seamless pipes. Stainless steel seamless pipe is a long strip of steel with a hollow section and no joints around it. It is a kind of steel pipe tha...

External factors affecting the compressive strength of seamless pipes

2023-12-18 15:07:53
CS seamless pipe is a long steel pipe with a hollow section and no joints around it. The compressive strength of the seamless pipe refers to the limit of the seamless pipe when it is produced, that is...

Methods of extending the service life of welded pipes

2023-12-18 15:07:54
We choose the welded pipe because of its corrosion resistance and long service life, but will the welded pipe have a long service life? This is not necessarily the case. Only by understanding the perf...

Belt and road impact on steel industry

2023-12-18 15:07:54
Cangzhou shenlong believes that China’s era of rapid economic growth has gone forever, which makes the steel industry has experienced the middle adjustment pains of low growth in the past five years, ...

Difference between HFW and DSAW

2023-12-18 15:07:55
The difference between double submerged arc welding(dsaw) and high-frequency difference(hfw) is mainly manifested in the appearance of the weld appearance, Double submerged arc welding steel pipe appe...

Analysis on the weld defects on the low carbon steel pipeline

2023-12-18 15:07:56
Encountered hole problems are very common in the welding process, welding materials drying, corrosion of the base metal and welding consumables, welding process is not stable enough oil and impurities...

API 5L PSL2 LSAW steel pipe

2023-12-18 15:07:57
API 5L PSL2 LSAW Steel PipeLSAW steel pipe are manufactured of metal in-house produced and smelted in the electric furnace, treated with synthetic slags and cast by continuous casters. The applied ste...

Buried pipeline coating

2023-12-18 15:07:58
Buried pipeline act as one of the important facilities of the oil and gas transmission carrier, ground engineering, which is connected upstream resources and downstream users of a link, due to the pip...

Carbon steel pipe rusting and hardness

2023-12-18 15:07:59
Carbon steel pipe anti-rust oil: it is with a high corrosion resistance and adhesion,which does not contain harmful substances such as formaldehyde, benzene, heavy metals, environmental protection and...

Difference between ERW and SAW steel pipe

2023-12-18 15:07:59
ERW is a electric-resistance welded steel pipe, Resistance welded steel pipe is divided into exchange of welded steel pipe and DC welded steel pipe in two forms. AC welding in accordance with differen...

Hardening and hydrogen embrittlement of cold drawn seamless tubing

2023-12-18 15:08:00
In the production process of cold drawn seamless tubing, there are work hardening and hydrogen embrittlement, which are the main reasons for the cracking of cold drawn seamless tubing.Analysis of burs...
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