The seismic resistance is reflected in whether there is no iron present
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The seismic resistance is reflected in whether there is no iron present Does the iron pressure manifest in a lack of seismic resistance? Is the material of the pressure gauge important? Is stainless steel really better than iron? Gauge pressure meters break down after being used for a long time; corrosion is rarely the cause, right? So the material isn’t that important; considering cost-effectiveness, iron is a better choice. For pressure gauges of the same specifications, those made of stainless steel are 2 to 3 times more expensive than those made of iron. What do you think?
The common material for seismic pressure gauges is stainless steel, as it possesses excellent corrosion resistance and shock resistance, allowing it to be used over long periods in harsh environments. Although iron pressure gauges are inexpensive, they tend to rust and corrode, failing to meet the requirements for accuracy and reliability in industrial production. Therefore, the material is very important for the performance and durability of pressure gauges. Of course, when purchasing a pressure gauge, it is necessary to take into account actual needs and budget. For applications with lower requirements, relatively inexpensive iron pressure gauges can be chosen; however, for applications that demand high precision and reliability, pressure gauges made of stainless steel are the appropriate choice. In short, choose a pressure gauge made of different materials based on the actual conditions. .
Refer to JB/T 6804-2006
This post was last edited by qugd on 2023-6-16 at 14:33. I think his reply refers to the fact that metal instruments lose precision due to rust and corrosion, rather than saying that this affects precision from the very beginning of the instrument’s manufacture. Also, on the top floor you asked whether there are iron seismic pressure gauges? These days, metals like iron are generally not used directly to manufacture instruments, right? In practical applications, especially in the design and manufacture of instruments, iron is not used as a criterion for determining the possible materials for such instruments; instead, steel is used, namely carbon steel or other alloy steels, including stainless steel and other ferroalloys. The concept of iron as a material choice in manufacturing has become rather vague.
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Personally, I think that depending on actual usage and the environment, it’s not necessarily necessary to use stainless steel
The market price of pressure gauges means that it is not worthwhile to develop multiple product variants or maintain different product lines, unless special materials are used for specific applications.
Seismic resistance is indicated by whether silicone oil is filled in the header