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Installation of seamless pipes in fire-fighting pipes

The fire protection pipe and connection fittings are mainly used to connect firefighting equipment, conveying fire fighting water and so on.

Technical conditions of the flange

Flanges are used to connect pipes with each other, to valves, to fittings, and to specialty items such as strainers and pressure vessels.

Research on welding bars of ERW pipe

Steel pipes often need to be flattened, bent, punched, pressed, etc. in use.

How to order seamless carbon steel pipe?

In order to obtain steel pipes that meet the requirements of the buyer and the supplier to produce steel pipes that meet the requirements of the buyer, both parties must fully communicate and communicate in the "ordering" link.

Application of ERW pipes in transporting gas

ERW steel pipe used for transporting gas and liquid objects such as oil and gas, could meet the low and high pressure requirement.

Surface crack analysis of stainless steel seamless pipe

1 Macroscopic characteristics of seamless pipe surface cracks Taking the 10 mmx1 mm stainless steel seamless pipe in 0Cr18Ni9 material…

Seamless Steel Tubes in Process Piping

Seamless steel pipes are the pipes with the largest amount and the most varieties and specifications in industrial pipes. Basically…

How to conduct ultrasonic flaw detection for ERW steel pipe?

ERW pipe is made by using the skin effect and proximity effect of high-frequency current to rapidly heat the edge of the tube blank to the welding temperature, and then extrude and weld it.

Annealing process of seamless steel pipe

The main reason for the internal stress is the thickness of the casting inside.

Advantages and selection criteria of seamless carbon steel pipe

The advantages of seamless carbon steel pipes are high pressure resistance, good toughness, long pipe sections and few joints.

Quality problems of seamless steel pipes

There are two types of factors that affect the quality of seamless steel pipes: steel quality and rolling process factors.

What will affect the seamless stainless steel pipe?

Austenitic stainless steel welds contain more than 3% ferrite, which can effectively avoid solidification cracks, but too much ferrite will adversely affect performance.