Threeway Steel-Seamless Steel Pipe, ERW Steel Pipe, LSAW Steel Pipe, SSAW Steel Pipe
Contact Us
Seamless Steel Pipe,ERW Steel Pipe,LSAW Steel Pipe,SSAW Steel Pipe,

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  

Home - NewsNews Center
Precision-rolled seamless steel pipe

Precision-rolled seamless steel pipe

Keywords :Precision-rolled seamless steel pipe        Update : 2023-06-25        View(s) : 690

The main business is DIN-2391 standard hydraulic seamless steel pipe (GB3639-83), which has been tested and confirmed by the national authority, and all indicators of the steel pipe fully meet the technical standards of German, Japanese, and American seamless steel pipes. Its salient features ar...

The difference between hot-dip galvanized steel pipe and cold-dip galvanized steel pipe

The difference between hot-dip galvanized steel pipe and cold-dip galvanized steel pipe

Keywords :The difference between hot-dip galvanized steel pipe and cold-dip galvanized steel pipe        Update : 2023-06-21        View(s) : 784

Cold-dip galvanizing refers to electroplating, and hot-dip galvanizing refers to the zinc plating of steel pipes in molten zinc. The difference between the two is that the former has poor corrosion resistance, while the latter has good corrosion resistance. The hot-dip galvanized steel pipe...

Quality requirements for seamless steel pipes

Quality requirements for seamless steel pipes

Keywords :Quality requirements for seamless steel pipes        Update : 2023-06-20        View(s) : 897

The surface quality of steel pipe: requirements for smooth surface a. Dangerous defects: cracks, inward folds, outward folds, crushing, delamination, scarring, concaves, convex hulls, etc. b. General defects: pockmarks, green lines, scratches, bruises, slight inner and outer straights, roller ma...

Causes of cracks in Q345B seamless steel pipe

Causes of cracks in Q345B seamless steel pipe

Keywords :Causes of cracks in Q345B seamless steel pipe        Update : 2023-06-19        View(s) : 734

Special pipes for oil and natural gas drilling and transportation are collectively referred to as petroleum geological pipes. Among them, the geological pipe is specially used for geological exploration and is the main tool for exploring underground resources. Geological pipe includes geological dri...

Stainless steel pipe welding precautions

Stainless steel pipe welding precautions

Keywords :Stainless steel pipe welding precautions        Update : 2023-06-16        View(s) : 717

1. The power supply with vertical external characteristics is adopted, and the positive polarity is used for DC (the welding wire is connected to the negative pole). 2. It is generally suitable for welding thin plates below 6mm. It has the characteristics of a beautiful weld shape and small wel...

Page(s):  1 ... 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 ... 480