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The Relationship Between Chemical Composition, Organization And Properties Of Stainless Steel
Stainless steel as a steel material, the content of the study is also the (chemical) composition of steel - organization (structure) - (various) properties of the relationship between, in fact, this middle involves both heat treatment, but also involves a variety of processing, while the purity of stainless steel, uniformity, surface condition, etc. also has an important impact.
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Thickness Inspection Standard Of Anti-Corrosion Coating For Steel Structure (Standard And Inspection Of Coating Inspection)
With the wide application of steel structure in construction, bridge, ship and other fields, the importance of anticorrosion coating is getting more and more attention. The main role of anticorrosion coating is to protect steel structure from corrosion and oxidation, and prolong the service life of steel structure. Therefore, it is very necessary to test the thickness of anticorrosion coating.
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Steel Pipe Practitioners Need To Master The Concept Of Steel Pipe Defect Terminology
1 roundness: round cross-section of the rolled material, such as round steel and round steel pipe cross-section, the diameter in all directions is not equal;
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The Effect Of Carbon On The Performance Of Stainless Steel
Carbon is an important alloying element in the traditional martensitic stainless steel, steel chromium, carbon two elements of a reasonable ratio, the emergence of high, medium and low carbon three types of Fe-Cr-C martensitic stainless steel. The role of carbon is to expand the γ region and improve the hardenability of steel. However, with the increase in the amount of carbon in steel and martensitic stainless steel strength, hardness increase at the same time, the steel plastic, toughness, corrosion resistance, cold forming and weldability to reduce.
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Oil Well Tubing Knowledge
Oil Country Tubular Goods (OCTG: Oil Country Tubular Goods) and Line Pipe are collectively known as Oil Specialized Pipe. Petroleum Specialized Pipe is actually a deep-processed product of steel pipe, including Oil Country Tubular Goods (OCTG) and Oil & Gas Transportation Pipe (OGTP). Drill pipes, casing, tubing, drill collars, square drill pipes, etc. are collectively called oil well specialized pipes.
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Overview of NACE MR 0175/ISO 1156 and MR 0103ISO 17945
What is NACE?
NACE is the International Association of American Corrosion Engineers, a civil society organization in the field of international corrosion and protection, founded in 1943 by 11 pipeline industry corrosion engineers, and is now the world's largest organization for the dissemination of corrosion knowledge
Knowledge of the organization, its responsibility is to improve public awareness of corrosion control and prevention.
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About Astm A53 Seamless Steel Pipe Allowable Deviation Of Outer Diameter Wall Thickness
The permissible deviation of the outer diameter and wall thickness of seamless steel pipe is not the same as that of different standards. In recent years, the proportion of seamless steel pipe used in our country is getting bigger and bigger, and due to its wide range of uses, the quality of seamless steel pipe also puts forward high requirements, in which the deviation of the outer diameter and wall thickness of seamless steel pipe is one of the important indexes of its quality. Wall thickness deviation will directly affect the use of seamless steel pipe.
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ASTM A53 Standard for Galvanization
ASTM A53 is a steel pipe standard for the manufacture of welded steel pipe that is commonly used to transport fluids such as water, oil and gas. This steel pipe is galvanized to increase its corrosion resistance and service life.
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What is the difference and relevance of steel grades and materials of oil pipes and casing?
Relevance: It is an iron ring used to protect the pipe or to facilitate the installation of the pipe.
Difference:
1, the nature of different: casing is a kind of electric conductor into the electrical equipment or through the wall of an insulating device. Oil pipe is a pipe that transports crude oil and natural gas from the oil and gas layer to the surface after drilling is completed.
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What Is The Difference Between Drill Pipe And Drill Collar?
Drill pipe and drill collar are commonly used tools in oil drilling, mainly for drilling, reaming and coring operations. Drill pipe is a long tube assembled from many similar tubes, which plays a role in conveying drill bits and mud in drilling. And the drill collar is a drilling tool with a slender shape, which can accurately collect cores on key strata and help geologists evaluate the nature of the reservoir.
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