Processing and production of tin
Production
Tin stone, also known as cassiterite, in the largest quantities produced in Spain, Italy, Mexico, China, Japan, Siberia and Finland. Fairly large deposits of tin ore were found on the territory of the United States. The production of tin goes through the following stages: ore-dressing; roasting;·sublimation;·smelting black tin;;·refining.There are 2 most common types of refining — electrolytic, and thermal. Refined tin grades of O1 and O2 is produced in accordance with the standards GOST 860−75.
The percentage of marks O1 and O2
| Mark | Fe | S | Cu | As | Pb | Sb | Bi | Sn | Impurities |
| O1 | ≤0.009 | ≤0.01 | 0.03 — 0.01 | ≤0.01 | ≤0.04 | ≤0.015 | ≤0.015 | min 99.9 | ≤0.1 |
| O2 | ≤0.02 | ≤0.02 | ≤0.03 | ≤0.015 | ≤0.25 | ≤0.05 | ≤0.05 | min 99.565 | ≤0.435 |
Cutting and processing
The metal is very soft and malleable material, perfectly bent, punched, and rolled. Drilling and cutting also do not cause special difficulties. Ductility to a large extent depend on the content of additional impurities (nitrogen, oxygen). The pure metal is characterized by good ductility, is easily the most different methods can be rolled to the thickness of the foil.
Supply, price
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Buy tin from the supplier KMZ can at the best price. The price is formed based on the European standards of production. The provider offers any non-ferrous metals at an affordable price wholesale or retail. Supplier KMZ invites all to partner.
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Nicholas
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