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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

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Oil and gas pipeline

Oil and gas pipeline welding construction technology

Keywords :Oil and gas pipeline        Update : 2020-09-24        View(s) : 951

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) : 1011

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) : 1074

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...

Precautions for hot-dip steel pipe

Precautions for hot-dip steel pipe

Keywords :Precautions for hot-dip steel pipe        Update : 2020-09-15        View(s) : 946

Precautions for hot-dip steel pipes : The pipes that transport hot water can transport cold water, but the pipes that transport cold water cannot transport hot water. The cross-section of the plastic-coated composite pipe shall not be in contact with water, non-plastic lined pipe fittings shall...

API 5L GR.B/ASTM A53 GR.B (HOT EXPANDED ERW STEEL PIPE)

API 5L GR.B/ASTM A53 GR.B (HOT EXPANDED ERW STEEL PIPE) Price List 2020/09/10

Keywords :API 5L GR.B/ASTM A53 GR.B (HOT EXPANDED ERW STEEL PIPE)        Update : 2020-09-10        View(s) : 1017

API 5L GR.B/ASTM A53 GR.B (HOT EXPANDED ERW STEEL PIPE) Outside Diameter Wall Thickness FOB TIANJIN Outside Diameter Wall Thickness FOB ...

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