- Classification and use of oil casing According to the function, oil casing is divided into: surface casing, technical casing and oil layer casing. 1. Surface casing 1. Used to isolate the soft, easy to collapse, easy to leak formations and water layers that are not very fixed on the upper part; 2 ...Irakurri gehiago
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- 430 altzairu herdoilgaitzezko 430 altzairu herdoilgaitza, 1CR17 edo 18/0 altzairu herdoilgaitza bezala ere ezaguna da, altzairu herdoilgaitze ferritikoa da, apaingarri arkitektonikoetan, etxetresna elektrikoetan eta automobilgintzako industrietan. It contains 16% to 18% chromium, has good corrosion resistance and formability, and has bet...Irakurri gehiago
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- ASTM altzairuzko altzairuzko altzairuzko hodiek paper garrantzitsua dute aplikazio industrialetan, batez ere eraikuntza, petrolioaren, industria kimikoen eta makineriaren fabrikazio arloetan. ASTM steel pipes, that is, steel pipes produced according to the standards of the American Society for Testing and Mat...Irakurri gehiago
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- Domestic and foreign bulletproof steel plates FD16, FD53, FD54, FD56, FD79, FD95 types, characteristics and applications 1. Introduction to bulletproof steel plates Bulletproof steel plates are generally used in bulletproof protection and explosion-proof projects, such as shooting range equipment. .Ola.Irakurri gehiago
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