14. MATERIAL SELECTION GUIDE
Application
Protection tube material
100
Food
• Baking ovens
Black steel
• Char retort, sugar
Black steel
• Vegetables and fruit
SS 304
Chemical
• Acetic acid
: - 10-50%, 21 °C
SS 304, Hastelloy C, Monel
- 50%, 100 °C
SS 316, Hastelloy C, Monel
- 99%, 21-100 °C
Hastelloy C, Monel
• Alcohol, ethyl, methyl
: 21-100 °C
SS 304
• Ammonia
: all concentration, 21-100 °C SS 304, SS 316
• Ammonium chloride
: all concentration, 100 °C SS 316, Monel
• Ammonium nitrate
: all concentration, 21-100 °C SS 316
• Ammonium sulphate
: 10% to saturated,100 °C SS 316
• Barium chloride
: at 21 °C
Monel, Hastelloy C
• Barium hydroxide
: at 21 °C
Low carbon steel
• Barium sulphide
Nichrome, Hastelloy C
• Butadiene
SS 304
• Butane
SS 304
• Butyl acetate
Monel
• Butyl alcohol
Copper, SS304
• Calcium chlorate
: dilute 21 to 66 °C
SS 304
• Calcium hydroxide
: - 10 to 20%, 100 °C
SS 304, Hastelloy C
- 50% at 100 °C
SS 304, Hastelloy C
• Carbolic acid
: all 100 °C
SS 316
• Chlorine gas
: - dry at 21 °C
SS 316, Monel
- moist -7 to 100 °C
Hastelloy C
• Chromic acid
: 10 to 50% at 100 °C
SS 316, Hastelloy C
• Citric acid
: concentrated at 100 °C
SS 316, Hastelloy C
• Copper nitrite
SS 304, SS 316
• Copper sulphate
SS 304, SS 316
• Cyanogen gas
SS 304
• Dow therm
Low carbon steel
• Ether
SS 304
• Ethyl acetate
SS 304
• Ethyl chloride
: 21 °C
SS 304, low carbon steel
• Ethyl sulphate
: 21 °C
Monel
• Ferric chloride
: 5%, 21 °C to boiling
Tantalum, Hastelloy C
• Ferric sulphate
: 5%, 21 °C
SS 304
• Ferrous sulphate dilute
: 21 °C
SS 304
• Formaldehyde
SS 304, SS 316
• Freon
Monel
• Gallic acid
: 5%, 21 to 66 °C
Monel