Monthly Archives: January 2022

1. Acceptance 1.1 The quality inspection and acceptance of straight seam steel pipes shall be carried out by the technical quality supervision department of the supplier. 1.2 The supplier must ensure ...

What should be paid attention to when oil casing pipe is anti-corrosion? 1. First of all, we must do a good job in meeting water quality standards, and strictly test and manage water quality. Implemen...

Due to advanced production technology and high production efficiency, ERW steel pipe production cost is much lower than seamless steel pipe. In general, the price of ERW steel pipe per ton is about 60...

Stainless steel welded pipe is a hollow long round steel material, mainly used in industrial transportation pipelines and mechanical structural parts such as petroleum, chemical industry, medical trea...

The oil casing pipe is made of seamless steel tubes. The rules adopted at the time of delivery are irregular, but they must also meet certain rules. 1. The domestic casing is in accordance with SY/T6...

The surface quenching and tempering heat treatment of ERW pipe is usually carried out by induction heating or flame heating. The main technical parameters are surface hardness, local hardness and effe...

In June, due to the slowdown of downstream demand release, continued supply release, and the large price increase in the early period, China's seamless steel pipe prices generally showed a slight down...

Welded steel pipe, also known as welded pipe, is a steel pipe made of steel plate or strip steel that is welded after being crimped and formed, and is generally 6 meters in length. Welded steel pipe p...

APT 5CT specified the requirements of Casing and Tubing for the purpose of oil or gas production, must be cased with material with sufficient strength and functionality. Casing and tubing are the m...

ERW is-high-frequency resistance welding-straight seam welded pipe; LSAW is-submerged arc welding-straight seam welded pipe; both belong to straight seam welded pipe, but the two have different weldin...