Pure anhydrous ammonia is considered...

Question 1 / 270705eccef9dbacbc34ba4d45f02

Question 1 of 270705eccef9dbacbc34ba4d45f02

Pure anhydrous ammonia is considered noncorrosive to what metal or metals?

Question 1 of 27070

Pure anhydrous ammonia is considered noncorrosive to what metal or metals?

🔍 Key Concepts

• Material compatibility of anhydrous ammonia with different metals • Typical piping and tank materials used for anhydrous ammonia cargo systems • Why copper and copper alloys behave differently in ammonia service than ferrous metals

💭 Think About

• Think about which metals are most commonly used for permanent storage tanks and pipelines that carry anhydrous ammonia in industry and on tank vessels. • Consider what happens when ammonia contacts copper or copper alloys over time—does it help prevent corrosion, have no effect, or can it cause stress and cracking? • Ask yourself: if you were designing an ammonia cargo system, which metals would you definitely avoid because of known compatibility problems?

✅ Before You Answer

• Verify which metals are standard and approved for anhydrous ammonia cargo piping and tanks in reference materials or regulations. • Double-check whether copper-bearing metals are recommended, allowed with restrictions, or specifically prohibited in ammonia service. • Confirm whether both iron and steel fall into the same compatibility category with anhydrous ammonia for being considered noncorrosive.

Question 1 of 27070

Pure anhydrous ammonia is considered noncorrosive to what metal or metals?

iron and steel only

steel only

iron, steel, and copper-bearing metals

copper-bearing metals only

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Question 1 / 270705eccef9dbacbc34ba4d45f02

Question 1 of 270705eccef9dbacbc34ba4d45f02

Pure anhydrous ammonia is considered noncorrosive to what metal or metals?

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Question 1 of 27070

Pure anhydrous ammonia is considered noncorrosive to what metal or metals?