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The commonly used buckle types for oil casing pipes are pided into three types: EU, NU and New Vam.    These three types of buckles can be found in the tool shop. The EU and NU are difficult to distin...

Straight seam welded pipe has simple production process, high production efficiency, low cost and rapid development. The strength of the spiral welded pipe is generally higher than that of the straigh...

Seamless steel pipes usually lose their load carrying capacity at temperatures of 450 to 650 ° C, causing large deformations, resulting in bending of steel columns and steel beams. As a result, they c...

Since the A106B American standard seamless steel pipe often uses the welding process during the manufacturing process, the A106B seamless steel pipe for this type of application can be welded by the a...

1. Control the carbon content in the steel as much as possible to avoid the peritectic reaction zone and the upper or lower control limits. 2. The vibration stability should be monitored to ensure tha...

The oil special pipe is mainly used for drilling oil and gas wells and conveying oil and gas. It includes oil drill pipes, oil casing, and oil pipes. Oil drill pipes are mainly used to connect drill c...