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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) Outside Diameter Wall Thickness FOB TIANJIN Outside Diameter Wall Thickness FOB TIANJIN (mm) (mm) USD/TON (mm) (mm) USD/TON 245, 273 5.0-9.28 632.44 450, 457, 508, 530 6.5-11.98 656.85 9.45-9.98 635.39 12.0-14.5 664...Read more -
There are three ways to connect galvanized steel pipes
1. Connection by rolling groove Crack of rolling groove weld: ① Grind the inner wall weld ribs of the grooved part of the steel pipe mouth to reduce the rolling groove resistance; ② Adjust the axis of the steel pipe and the rolling groove equipment, and require the steel pipe and the rolling groo...Read more -
Commonly used heat treatment processes for steel pipes, heating and cooling specifications for various heat treatment processes
1. Quenching (1) Carbon and alloy structural steel pipes ① For carbon steel parts and some alloy steel parts with complex shapes, water, and oil are used for cooling. ② This section is used for carbon steel parts and some alloy steel parts with complex shapes. (2)Chromium stainless steel pipes an...Read more -
Exploring the manufacturing and application of DN1400 steel pipe
DN1400 steel pipe, as a giant-level steel pipe, plays an important role in the field of modern engineering. Its diameter reaches 1400 mm, carries important conveying and supporting functions, and is widely used in various engineering projects. Let us explore the manufacturing process, characteris...Read more -
What are the process flows of hot rolled steel pipes
Hot rolled steel pipe, as the name suggests, is a steel pipe rolled at high temperature. Its production process can be said to be an epic of metal deformation, full of heat and deformation. The following is a simple description of the hot-rolled steel pipe production process: Everything starts wi...Read more -
5 commonly used heat treatment processes for seamless steel pipes
What are the five commonly used heat treatment processes for seamless steel pipes? There are many varieties of seamless steel pipes, and the steel grades (species) used are also different. The chemical composition of steel pipes of the same type may also have certain differences, but after heat t...Read more -
Detail of industrial precision bright steel pipe
Precision bright steel pipe is a high-precision steel pipe material that is processed by precision drawing or cold rolling of ordinary seamless steel pipe (or diameter-reduced welded steel pipe). Because there is no oxide layer on the inner and outer walls of precision bright steel pipes, they ca...Read more -
API 5L PSL1, SEAMLESS STEEL PIPE PRICE LIST
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How to join seamless square steel pipes
There are three butt methods for seamless square steel pipes, namely electric welding butt, pipe hoop and trench butt, and flange butt: 1. Welding and docking method Welding and butting two seamless square steel pipes is a common butt method. This method is more time-consuming, but it improves ov...Read more -
ERW, LSAW, SMLS, Cold Drawing Seamless Pipe Pipe Stock for Sale
For Immediate Sale In order to give back to our customers, we sold some of our stock pipes at a very competitive price, all the following pipe are new with high quality, and it can be ready for for immediate delivery. ERW Stock List No. Product Name Standard Material Specificati...Read more -
Welding method of galvanized steel pipe
Galvanized steel pipe has the dual advantages of corrosion resistance and long service life, and the price is relatively low, so its usage rate is getting higher and higher now. However, some users do not pay attention when welding galvanized pipes. It has caused some unnecessary trouble. So what...Read more -
The uses, characteristics, and selection methods of welded steel pipes and seamless steel pipes
In the steel industry, welded steel pipes and seamless steel pipes are two common and important pipe types. Each of them has unique characteristics and applicable scenarios. The correct selection and application of these two steel pipes are of great significance for ensuring project quality and i...Read more