AISI/SATM316 L Stainless Steel Seamless Pipe Out Diameter 40mm, Thinkness 4 mm

AISI/SATM316 L Stainless Steel Seamless Pipe Out Diameter 38 mm, Thinkness 4 mm

Introduction

Stainless steel pipes are divided into ordinary carbon steel pipes, high-quality carbon structural steel pipes, alloy structural pipes, alloy steel pipes, bearing steel pipes, stainless steel pipes, bimetallic composite pipes, coated and coated pipes to save precious metals and meet special requirements. Stainless steel pipes have a wide variety, different uses, different technical requirements and different production methods. At present, the outer diameter range of steel pipes is 0.1-4500mm and the wall thickness range is 0.01-250mm. In order to distinguish its characteristics, steel pipes are usually classified according to the following methods

Discrimination

The two most commonly used stainless steels 304316 (or corresponding to 1.4308 and 1.4408 of German / European standard), the main difference between 316 and 304 in chemical composition is that 316 contains Mo, and it is generally recognized that 316 has better corrosion resistance and is more corrosion resistant than 304 in high temperature environment. Therefore, in high temperature environment, engineers generally choose 316 parts. But the so-called thing is not absolute. In the environment of concentrated sulfuric acid, never use 316 at any high temperature Or it'll be a big deal. People who study mechanics have all studied threads. I still remember a dark solid lubricant that needs to be applied to prevent threads from biting under high temperature: molybdenum disulfide (MoS2), from which two conclusions can be drawn: first, Mo is indeed a high-temperature resistant material (do you know what crucible gold is melted in? Molybdenum crucible!). 2: Molybdenum easily reacts with high valence sulfur ions to form sulfide. Therefore, no stainless steel is super invincible and corrosion-resistant. In the final analysis, stainless steel is a piece of steel with more impurities (but these impurities are more corrosion-resistant than steel). If it is steel, it can react with other substances

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AISI/SATM316 L Stainless Steel Seamless Pipe Out Diameter 40mm, Thinkness 4 mm Images