Question: What is the casting temperature for a hardness of 22?
SQL: SELECT "Casting at (°C)" FROM "2-159441-3" WHERE "Hardness" = '22';

Question: What is the hardness for the alloy that is liquid at 243 degrees C?
SQL: SELECT "Hardness" FROM "2-159441-3" WHERE "Liquid at (°C)" = '243';

Question: What is the Sn/Sb percentage that is liquid at 258 degrees C?
SQL: SELECT "Sn/Sb (%)" FROM "2-159441-3" WHERE "Liquid at (°C)" = '258';

Question: What is the remelting temperature for the alloy that has a Sn/Sb ratio of 9.5/15?
SQL: SELECT "Remelting at (°C)" FROM "2-159441-3" WHERE "Sn/Sb (%)" = '9.5/15';

Question: What is the casting temperature for the alloy with hardness 21?
SQL: SELECT "Casting at (°C)" FROM "2-159441-3" WHERE "Hardness" = '21';