What type of steel is ST35.8.1? What is its thermal conductivity?

2016-05-24View Original

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It is a set of equipment imported from Germany; the material of its heat exchanger coils is ST35.8.1. However, its heat exchange efficiency is much lower compared to that of domestically produced equipment using 20-grade steel for such coils. I’m not sure what the reason for this is Is the thermal conductivity of ST35.8.1 lower than that of steel grade 20?

Reply #22016-05-24

This material should not be used for heat exchange tubes

Reply #32016-05-24

ST35.8.1 is equivalent to domestic 10# steel; I’m not sure about its thermal conductivity compared to 20 steel, sorry. 10# steel is originally a commonly used material for heat exchange tubes

Reply #42016-05-25

I’m not sure what the reason is; heat transfer is poor. I wonder if anyone knows the thermal conductivity of ST35.8.1? Is it the same as 20 steel or 10 steel?

Reply #52017-04-06

Is the German standard material different from the Chinese standard one?

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What type of steel is ST35.8.1? What is its thermal conductivity?

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