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Threeway Steel Co., Ltd

E-mail: sales@srtsteelpipe.com

Address: 22nd Floor, Royal Wing Tower, Long Champ International Building, No.9 Xiangfu Road, Changsha, Hunan, China, PC: 410116

Phone:0086-731-8873-9521  

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oil casing

Anti-corrosion countermeasures of oil casing

Keywords :oil casing        Update : 2020-09-30        View(s) : 1035

1. First of all, ensure that the water quality meets the standards, and strictly monitor and manage the water quality. Implement cleaning and separate injection, strengthen the cleaning of main water pipelines, ensure that the water quality in the station and the bottom of the well reach the sta...

anti-corrosion pipelines

Precautions for anti-corrosion of buried pipelines

Keywords :anti-corrosion pipelines        Update : 2020-09-29        View(s) : 1143

From the overall measurement of material performance, construction, cost, and use effect, epoxy coal tar paint-glass fiber cloth coating is an ideal anti-corrosion method for buried pipelines in urban sewage treatment projects. From the perspective of technical performance, fusion bonded epoxy c...

Oil and gas pipeline

Oil and gas pipeline welding construction technology

Keywords :Oil and gas pipeline        Update : 2020-09-24        View(s) : 994

1.1 Manual welding with cellulose downward electrode When there is a pipeline with severe hydrogen sulfide corrosion or a pipeline operating in a cold environment, use a low-hydrogen type vertical downward welding electrode. Due to the flexibility of manual welding and the low requiremen...

stainless steel clad steel pipe

Welding technology of lining stainless steel clad steel pipe

Keywords :stainless steel clad steel pipe        Update : 2020-09-21        View(s) : 1052

The lining stainless steel composite steel pipe (304+Q235B) is a new type of composite pipe, which has the characteristics of corrosion resistance, high-temperature resistance, high extensibility, and high strength. It is widely used in the process of pipelines of new and expanded petrochemica...

Flange classification

Flange classification

Keywords :Flange classification        Update : 2020-09-16        View(s) : 1113

1. According to national standards: integral flange, threaded flange , butt welding flange, flat welding flange with neck, socket welding flange with neck, butt welding ring loose flange with neck, plate flat welding flange, Buttweld ring plate loose flange, flat weld ring plate loose flange, f...

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