| 摘要 |
<p>MOLYBDENUM-FREE, CHROMIUM-CONTAINING ALLOY RESISTANT TO SULPHURIC ACID A molybdenum-free, chromium-containing alloy which is resistant to the corrosive effects of highly concentrated sulfuric acid at elevated temperatures, said alloy consisting essentially of 21 to 35% by weight of chromium, 30 to 70% by weight of iron, 2 to 40% by weight of nickel, 0 to 20% by weight of manganese, and 0 to 1% of any of carbon, silicon, phosphorus, sulphur, nitrogen, alumium, copper, vanadium, titanium, tantalum or niobium.</p> |
