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How is the double-sided submerged arc welding spiral steel pipe made?

2023-12-18 15:13:06

Spiral steel pipe is a spiral seam steel pipe made of strip steel coils as raw materials, often extruded and formed by automatic double-wire double-sided submerged arc welding.(1) Raw materials are s...

The test methods and procedures for flattening seamless steel pipes

2023-12-18 15:13:07

The process of making seamless steel pipes is relatively cumbersome and rigorous. After the seamless steel pipe is produced, certain tests must be carried out. Do you know the method and procedure of ...

Comparison of Spiral Steel Pipe and Straight Seam Steel Pipe

2023-12-18 15:13:08

The production process of longitudinally welded pipes is relatively simple. The main production processes are high-frequency welded longitudinally welded pipes and submerged arc welded longitudinally ...

Variant forms and maintenance skills of stamping elbows

2023-12-18 15:13:10

Modified form of stamping elbow:1. Flanged means that the end of the pipe is convex to the inside or outside, and the rounded edge: a pipe fitting that forms a bulge or groove in the circumferential d...

The use of longitudinally welded pipes to transport fluids

2023-12-18 15:13:11

At present, the proportion of oil and gas transported by longitudinally welded pipes(ERW steel pipe) in the world is increasing, accounting for about 75%-95% of the total oil and gas. At present, the ...

Inspection process of plastic coated steel pipe inside and outside

2023-12-18 15:13:12

The first is to inspect the appearance of the steel pipe. Appearance is the external performance of a product. In addition to its aesthetics, it is necessary to check whether its appearance quality is...

A method to reduce the hardness of seamless steel pipes

2023-12-18 15:13:13

This method includes the setting of the furnace temperature and holding time in two passes, specifically:Setting of furnace temperature for the first pass;According to the wall thickness of the seamle...

Large-size seamless pipe forming technology

2023-12-18 15:13:15

The forming technologies of large-size seamless pipe fittings mainly include: hot spinning, hot extrusion, hot piercing and rolling, and hot pushing and expanding. details as follows:1.hot spinning me...

What is the process of rapid cooling of steel pipes after rolling?

2023-12-18 15:13:16

The rapid cooling of steel pipes after rolling has obvious effects on the production of bearing steel pipes, reducing network carbides, improving the pearlite structure, and shortening the spheroidizi...

The mechanical properties of seamless pipe materials

2023-12-18 15:13:17

Understanding seamless pipes, we first need to understand the mechanical properties of this pipe material. The mechanical properties of seamless pipes are very stable, so they can be widely used.Gene...

Precision steel pipe advantages, material standard and size tolerances

2023-12-18 15:13:18

Precision steel tube is a high-precision steel tube material processed by cold drawing or hot rolling. Because the inner and outer walls of precision steel pipes have no oxide layer, high pressure wit...

What is the insulation effect of polyurethane insulation steel pipe?

2023-12-18 15:13:19

Polyurethane insulation steel pipe is currently the most widely used insulation steel pipe product under low pressure. It is mainly suitable for transporting hot and cold water, etc. However, the insu...

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About Us

Cangzhou Shenlong Pipe Manufacturing Co., Ltd. is a company& supplier& manufacturer& factory specialized in the production, processing and sales of various steel pipes, such as seamless pipe, welded pipe, straight seam steel pipe, spiral welded steel pipe, hot galvanized steel pipe, coating steel pipe, stainless steel pipe, and pipe fittings, the production base is located in Cangzhou.

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Tel : 86-21-68415567

E-mail: info@pipesl.com

Add :10A6, No526, Laoshan Rd, Pudong New District, Shanghai, China

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