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Industry News

Seamless steel pipe pickling process

2023-12-18 15:13:51
1. Commonly used media for seamless steel pipe pickling:Sulfuric acid, nitric acid, phosphoric acid, hydrofluoric acid. When pickling, be sure to add pickling corrosion inhibitor to prevent the acid f...
Industry News

How to identify inferior seamless steel pipes from the appearance?

2023-12-18 15:13:53
Because of the high cost performance of seamless steel pipes (astm a106 gr b), there are more and more low-quality seamless steel pipes on the market. Consumers will buy fake and inferior seamless ste...
Industry News

The welding process of seamless steel pipe(ASME SA53)

2023-12-18 15:13:54
The welding process of seamless steel pipe(ASME SA53) includes: heating before welding, heat treatment after welding, quenching.1. HeatingBefore the seamless steel pipe arc welding, the key is to heat...
Industry News

Seamless steel pipes and cold treatment

2023-12-18 15:13:55
If the cold treatment method selected for seamless steel pipes is not correct, its performance will be affected to a certain extent. Therefore, preventive measures must be taken during the cold treatm...
Industry News

Submerged arc welding process of steel pipe

2023-12-18 15:13:57
The submerged arc welding process is suitable for the requirements of heavy industrial applications such as pipelines, pressure vessels and tanks, locomotive manufacturing, heavy construction, and exc...
Industry News

What are the manufacturing processes of straight seam steel pipes?

2023-12-18 15:13:57
Straight seam steel pipes can be divided into high-frequency straight seam steel pipes(ERW steel pipes) and submerged arc welded straight seam steel pipes(SSAW steel pipes) according to the production...
Industry News

Enter the world of high frequency welded pipe

2023-12-18 15:13:58
The straight seam high frequency welded steel pipe has the characteristics of relatively simple process and fast continuous production. It has a wide range of uses in civil construction, petrochemical...
Industry News

What kind of material is the anti-corrosion steel pipe made of?

2023-12-18 15:14:00
With the continuous development of pipeline transportation construction, pipelines have been widely used in daily life. When we are walking on the road, we can see all kinds of steel pipes. The applic...
Industry News

Inspection and Cleaning of Surface Defects of Seamless Steel Tube Billet

2023-12-18 15:14:02
Microstructure of seamless steel tubeFor the production of alloy steel pipes and high-alloy steel pipe billets, in addition to checking the low-magnification structure, the microstructure (high-magnif...
Industry News

Harm of excessive weld seam height of welded pipe

2023-12-18 15:14:03
With the rapid development of high-quality strip continuous rolling production and the advancement of welding and inspection technology, the quality of welds continues to improve, and there are more a...
Industry News

How to avoid pitting and pits in seamless pipe production?

2023-12-18 15:14:04
Pitting corrosion and pits are common surface quality problems in seamless pipe(astm a53 pipe) manufacturing. When delivering pits and potholes, if this happens, many seamless steel pipe mills will sa...
Industry News

Advantages of seamless steel pipe cone roller piercing machine

2023-12-18 15:14:05
The seamless steel pipe cone-roll piercing machine is an ancient piercing process. In the early 1980s, the cone-roll piercing machine with horizontal rolls was revived. Its process has the following a...
Industry News
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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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As a professional steel pipe manufacturer, we can provide First-Class Quality & Professional Technical Services ! Welcome to contact us ! 

Tel : 86-21-68415567

E-mail: info@pipesl.com

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

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