Differences between Hot Rolled and Cold Rolled Seamless Steel Tube
What is the difference between a hot-rolled seamless steel pipe and a cold-rolled seamless steel pipe? Is the usual seamless steel pipe a...
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Decarburization and Oxidation of Spiral Steel Pipe
When the spiral steel pipe (SSAW) is heated, the iron, alloy, and elements on the surface of the steel react with oxygen, carbon dioxide,...
Comparative Analysis of Seamless Casing Pipe and ERW Casing Pipe
According to the manufacturing method, the steel pipe can be pided into two categories: seamless steel pipe and welded seam steel pipe....
Classification of Seamless Pipes for Low and Medium Pressure Boilers
Seamless steel pipes are pided into two types: hot-rolled and cold-rolled (dial) seamless steel pipes. Hot rolled seamless steel pipes...
Different Forming Methods for Industrial Production of Large Straight Seam Pipes
The industrial production of large straight seam pipes (LSAW steel pipe) can be pided into the following types according to different...
Differences between Precision Steel Pipe and Small Diameter Steel Pipe
Precision steel pipe is a kind of high-precision steel pipe raw material after cold drawing or hot rolling. Because there is no air oxide...
Differences Between Seamless Pipe and ERW Pipe
Casing pipe and Tubing pipe made to API specifications uses seamless or electric-weld processes. Seamless pipe is defined as a wrought...
Quality Inspection of Spiral Steel Pipe
Spiral steel pipes should be subjected to mechanical performance test, flattening test and flaring test before leaving the factory, and...
Analysis of Cutting Heat Treatment of Seamless Steel Pipe
The seamless steel pipes we use every day need to be done-some cutting treatment and heat treatment. What are the reasons for seamless...
Anticorrosion Technology of Buried Petroleum Pipeline
As a carrier of oil and gas transmission, buried oil pipelines are a link connecting upstream and downstream (analyzed by backward...
ERW Pipe vs Seamless Cost
Seamless steel pipes have a hollow section and are used in large quantities as pipelines for conveying fluids, such as pipelines for...
Spiral Welded Pipe Manufacturing Process
Spiral welded pipe (SSAW/SAWH): a low carbon carbon structural steel or low alloy structural steel strip is rolled into a tube blank at a...
Casing Pipe Material
According to the American Petroleum Institute standard APISPEC5CT 1988 first edition, casing steel grades are H-40, J-55, K-55, N-80,...
ASTM A53 Carbon Steel Seamless Pipe Specifications
ASTM A53 is a carbon steel alloy, which can be used as structural steel or for low-pressure pipelines. ASTM A53 (ASME SA53) carbon steel...
ERW Pipe Standard
ERW pipe standard are as follows: API 5L, ASTM A53 B, ASTM A178, ASTM A252, ASTM A500/501, ASTM A691, ASTM A672 API 5L Standard aims to...
ERW Pipe Manufacturing Process
High-frequency straight seam resistance welded steel pipe, abbreviated as ERW, is a hot-rolled coil that is formed by a forming machine,...
Low, Medium and High Pressure Boiler Tube
1. What is a boiler tube? Boiler tube refers to a steel with open ends and a hollow section, and its length is larger than that of the...
Seamless Pipe vs Welded Pipe
1. Different outer surfaces It can be seen from the outer surface of the seamless steel pipe that there is no gap in the whole body; the...
Special Thread for Oil Casing Pipe
API casing threads are not suitable for the development of high-pressure gas fields, so many manufacturers have developed special joints...
Differences between High Frequency Resistance Welded Pipe and SAW Pipe
1. Comparison of process characteristics and quality performance of several steel pipes: ERW Pipe is pided into induction welding and...
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