1.It is also known as the black pipe, which is also referred to in the welding tube (GB/t3092-1993).It is a welding tube used for conveying water, gas, air, oil and steam.It is divided into plain steel tube and thick steel tube.The receiver...英国华人论坛
The Continuous Welded Pipes and Tubes report is offers a clear picture of the current and future trends, developments and opportunities. The report, prepared by a highly seasoned team of analysts and data experts, carries an array of tables...英国华人论坛
The report begins with a broad introduction of the Fully Welded Ball Valve market and then drills deeper into specific segments such as application, regional markets, end-users, policy analysis, value chain structure, and emerging trends. T...英国华人论坛
'Global Welded Insulated Cylinder Industry Report 2016' provides detailed market and segment level data on the Global and Chinese consumption of Welded Insulated Cylinder. The report provides historic, forecast and growth patterns by company...英国华人论坛
Level of Q345B steel tube Q345A, is do not impact; Grade Q345B, impact is 20 degrees at room temperature; Grade Q345C, impact is 0 degrees; Q345D grade, is 20 degrees - impact; Q345E level, it is - hit 40 degrees. In the impact of different...英国华人论坛
Straight seam submerged arc JCOE welded steel pipe: with the difference between the high frequency straight seam steel pipe welding process, molding process, the scope of production, production materials, use of industry. In appearance also...英国华人论坛
Straight seam welded steel pipe refers to less than 630 mm in diameter straight seam resistance welding steel pipe, but the other is called high frequency straight seam steel pipe.Main characteristics as well as the high frequency straight s...英国华人论坛
There are many kinds of straight seam welded pipe quality inspection method, physical method which is the most commonly used inspection method, physical test some physical phenomena is used for measurement or test methods. Material or inter...英国华人论坛
Spiral welded steel pipe used in production and will often appear quality problem, affect the normal use, in some aspects need to be in the identification of the spiral welded pipe quality, according to certain way and the performance test,...英国华人论坛
Global Welded Steel Tube Industry 2015 Market Research Report was a professional and depth research report on Global Welded Steel Tube industry that you would know the world's major regional market conditions of Welded Steel Tube industry, t...英国华人论坛
In order to detect the transverse or longitudinal defect of the weld of LSAW steel pipe longitudinal seam, ultrasonic testing was carried out by jet (water column) coupling. Jet (water column) ultrasonic flaw detection is the probe and the p...英国华人论坛
Spiral welded steel pipe into the steel unit, multi-channel roll rolling strip gradually rolled up, a gap is formed with an opening round tube, squeeze rollers reduction adjustment, the weld gap control at 1 ~ 3mm, and the weld ends flush....英国华人论坛
Welded steel pipe, also known as welded pipe, it is through the process with steel plate or steel belt crimp made of welded steel pipe after forming. Language is simple, the welded pipe production type specification, less equipment investmen...英国华人论坛
Large diameter welded steel pipe often refers to the out diameter with more than 1000mm. large diameter steel pipe use is generally more widely, generally used for large-scale pipeline projects, water gas engineering, pipe network construct...英国华人论坛
There are usually two heating products for the pipe billet of the welded steel pipe, including pre-heating and rolling tube. When manufacturing welded steel pipe, the two heating products should be heated before in a given path, and it requi...英国华人论坛
As is known to all, there are many kinds of different welded steel pipe in the world. The welded steel pipes can be divided into many types according to its different material properties, technology of manufacturing and practical uses. In o...英国华人论坛
Welded steel pipe or plate are commonly welded by means of bent round, we can weld the steel into square and other shapes and then welded into the surface of the steel pipe seam. Steel plate or coating steel pipe is used in the blanks of we...英国华人论坛
Metallographic sample through the detection of cracks in the surface of the weld cracks visible copper plaque, the study found that that there are a lot of crack surface presence of copper, copper is The main reason causing the weld crack ge...英国华人论坛
Large-diameter welded steel pipe is the pipe welds, raw materials are mainly steel sheet and strip, large diameter straight seam welded steel pipe is used, the higher productivity of the kinds of steel, more used in more low-cost steel produ...英国华人论坛
Crystals not only in the secondary weld, the weld also occurs near the base metal region, which are subject to different degrees of heat in the welding process, the residence time at different temperatures and then cooled down at different s...英国华人论坛
In fact, after rolling cold - process cooling to room temperature process that species. The actual production is often used to control rolling and cold-known properties of the steel segment to control the organization needed a tree. Temperat...英国华人论坛
Welded pipe is the common pipe material used in the gas pipeline. Generally speaking,the tube whose diameter greater than 426 mm (or 508 mm) is called the large diameter welded pipe.According to the welding ...英国华人论坛
Japan is also 70 years to exhaust standard requirements. The automobile manufacturers to increase three-way catalytic device in a vehicle exhaust system to clean exhaust emissions. In the late 1980s, the Japanese government also on the life...英国华人论坛
A metal screen that is either made of stainless steel or steel with low carbon content is known as welded mesh. These wire meshes are used for several purposes and it is available in different shapes and sizes. To avoid corrosion and rust, i...英国华人论坛