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Alloy 20 Corrosion in H2SO4
The 3% Sulfuric prior to entering the stock line runs from 70 to 90deg F. The acid is mixing with 130deg F stock. The material is Columbium Stabalized.- rcarr
- Post #4
- Forum: Corrosion engineering
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Alloy 20 Corrosion in H2SO4
We have 3% Sulfuric Acid being injected into our Alloy 20 stock line. Downstream of the injection, the heat affected zones of some of the welds are being eaten away. Could this possibly be from the line not being pickeled and passivated after welding? Is this the right material for the...- rcarr
- Thread
- Replies: 5
- Forum: Corrosion engineering
