Wise R Series - Detector Unit and Process Connection Unit Material

9
C-QIM-2731-T01_EN_Rev.2
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4.3 Detector unit and process connection unit material
Metal
Material
Usage
temperature
(℃)
Max.
temperature
(℃)
Characteristic
304SS
900
1000
Typically used in thermowells to protect against heat and
corrosion. Direct use in sulfurous environments or
reducing flame is not recommended.
316SS
900
1000
Contains Mo for outstanding heat, acid and alkaline
resistance.
316L SS
950
1050
Less carbon content than 316.
Better acid and alkaline resistance than 316SS.
321SS
900
1000
Weak sulfur and reducing heat resistance. Outstanding
corrosion and heat resistance
310SS
950
1050
High Ni and Cr content, with optimal high-temperature
strength with high heat and oxidation resistance.
347SS
900
1000
Contains Nb-Ta for better corrosion resistance than
304SS. Outstanding resistance to fine surface corrosion.
446SS
1050
1125
High Cr steel with outstanding resistance to oxidizing and
reducing atmospheres containing sulfur. Suitable for salt
baths, castings and other high-temperature
environments.
Inconel600
1180
1250
High Cr and Ni steel with outstanding resistance to
oxidizing and reducing atmospheres at high temperature.
Cannot be used in sulfurous atmospheres.