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Valve Procurement Technical Specification
It is a common phenomenon in the current market economy environment that only the specification, material, structure description, size and model meet the purchase requirements when ordering. However, this is wrong because a simple valve model covers only a few technical requirements, and the requ...Read more -
How the Square Galvanized Steel Pipes Shaped
(1) Solid bend Solid bending, as the name implies, is the compaction of the bend. During the actual bending, the inner and outer rollers and the inner and outer walls of the square galvanized pipe blank are compacted in both directions. 1. The advantages of solid bending are small rebound and acc...Read more -
Points Need Note When Using Stainless Steel Pipe Fittings
1. The thin-walled stainless steel press fitting should be handled with care, and should not be thrown or trampled during construction. 2. Stainless steel press fittings should be placed away from direct sunlight. 3. When stainless steel press fittings have oil stains, they must be scrubbed clean...Read more -
How To Distinguish A Welded Steel Pipe Not By Eyes
1. Colour and seam strip Due to high temperature heating and deburring treatment, the welding seam of high-frequency welding pipe and its heat affected area are cyan, and its color is obviously darker than that of the surrounding area, showing a strip distribution with basically the same width an...Read more -
Petroleum Pipe Line
The petroleum pipe line (also known as pipeline and pipeline) is composed of oil pipe and its accessories. According to the needs of the process flow, it is equipped with corresponding oil pump unit, designed and installed as a complete pipeline system, which is used to complete the oil unloading...Read more -
Right Way to Save Spiral Steel Pipe
Proper way to preserve spiral steel pipe 1) Storage space spiral steel pipe products or warehouse, should be selected in clean, smooth drainage area, away from harmful gases or dust in factories and mines. The presence on the ground to clear the weeds and all the debris, keeping a clean steel. 2)...Read more -
Steel Pipes DIN German Standard
DIN1626-84: non-alloy steel welded round pipe with special requirements DIN1628-84: non-alloy steel welded round pipe with special high requirements DIN1629-84:Non-alloy steel seamless steel pipe with special requirements DIN1630-84: Non-alloy steel seamless steel pipe with special high requireme...Read more -
Measures of avoid 3 PE Coating Pipe End Become Warped Edge
1. In the condition of not effect the process of pipe welding, should be appropriate to increase the reserved length, epoxy powder end of polyethylene layer can be prevented because of steel pipe pile up for a long time, pipe metal corrosion caused by severe 3 PE anticorrosive become warped edge....Read more -
What is Hot Rolled And Hot Rolled Products?
The hot rolled coil is made of slab (mainly continuous casting billet), and is heated to be made of strip by rough rolling mill and finishing mill. The hot steel strip from the last rolling mill of the finishing mill is cooled to a set temperature by laminar flow, and is rolled into a steel coil ...Read more -
Stainless Steel Seamless Pipe Knowledge
Stainless steel seamless pipe is a long strip of steel with a hollow section and no joints around it. The characteristics of stainless steel seamless pipe: First, the thicker the wall thickness of the product, the more economical and practical it is. The thinner the wall thickness, the higher the...Read more -
Advantages of Alloy Steel Pipe
With the continuous development of society, alloy steel pipe is applied to the more and more field, whether it is in the water, oil or gas and other fields are applied to the alloy steel pipe, alloy steel pipe prospects is very broad, what is the comparative advantage compared to other steel pipe...Read more -
What is the difference between cold rolled and cold drawn?
The technological is different. Cold rolling mill has large single pass deformation and slow production rhythm. The cold-drawn single-pass deformation is small, it needs to pass through multiple-pass annealing, pickling and lubrication, the process is cumbersome, and the cost is higher than cold ...Read more