Seamless Steel Tube Manufacturer Product Quality Specification
Usually manufacturers produce the following quality requirements for seamless steel tubes.
1. Chemical composition. Requirements for the contents of harmful chemical elements As, Sn, Sb, Bi, Pb and ga...
Oil Casing Steel Grade and Acceptance Standard
International standard for petroleum casing and tubing: API Spec 5CT
Common steel grades for casing: J55 K55 N80 L80 C90 T95 P110 Q125 V150
Common steel grades for tubing: J55 N80 L80 C90 P110
In add...
What is the Method of Non-destructive Testing of Seamless Steel Pipes?
Non-destructive testing is a method of non-destructive testing of seamless steel tube materials, workpieces or parts. So what is the method of non-destructive testing of seamless steel tubes?
1...
What are the Factors for Short Welding of Oil Casing Pipe?
The oil casing is short-circuited. The reason for this phenomenon is internal mechanical failure, such as roller or shaft eccentricity, or excessive welding power, or other reasons. As the welding spe...
How to Guarantee the Product Quality of ERW High Frequency Welded Pipe
ERW high-frequency welded pipe is a hot-rolled coil that is formed by a forming machine. The skin effect and proximity effect of high-frequency current are used to heat and melt the edge of the tube b...
Significance of Heat Treatment Process for Oil Casing Pipe
In addition to being used for oil extraction, the emergence of oil casing pipe can also be used as a pipeline for transporting raw materials. In order to enhance the quality of oil casing, every link ...
