OCR Text |
Show Table 1. Temperatures of Industrial Processes (3) Approximate temperature Material Operation range K of Everdur 1010 Melting 1290 1865 Frit Smelting 1365- 1590 2000-2400 Glass Annealing 7~920 8~1200 Glass Melting, pot fum 1530-1645 23~2500 Glass, bottle Melting, tank fum 1645-1865 25~2900 Glass, flat Melting, tank fum 1645-1920 25~3000 Gold Melting 1340-1450 1950-2150 Iron Blast furnace tap 1645-1810 25~2800 Iron, malleable Melting 1590-1980 24~3100 Iron, malleable Annealing 1090-1200 15~1700 Japan Baking 420-505 3~50 Lacquer Drying 340-365 150-200 Lead Melting 6~670 620-750 Lead Blast furnace 1170-1480 1650-2200 Lead Refining 1255- 1365 1800-2000 Magnesium Ageing 450-480 350-400 Magnesium Heat-treating 660-675 730-760 Magnesium Melting 950-975 1250- 1300 Magnesium Superheating 1060-1170 1450- 1650 Meat Smoking 310-340 100-150 Mercury Melting point 234 38 Molybdenum Melting point 2898 4757 Monel metal Annealing 865- 1075 1100- 1480 Monel metal Melting 1810 2800 Moulds, foundry Drying 475-670 400-750 Muntz metal Melting 1175 1660 Nickel Annealing 865- 1075 11~1480 Nickel Melting 1725 2650 Palladium Melting point 1827 2829 Phosphorus, yellow Melting point 317 III Pie Baking 530 500 Pigment Calcining 1150 1600 Platinum Melting 2046 3224 Porcelain Burning 1700 2600 Potassium Melting point 336 145 Potato chips Frying 450-480 350-400 Primer Baking 420-480 300-400 Silicon Melting point 1703 2606 Silver Melting 1225-1310 1750-1900 Sodium Melting point 371 208 Solder Melting 480-590 4~600 Steel, sheet Blue annealing 1030-1140 14~1600 Steel, sheet Box annealing 1090-1200 15~1700 Steel, sheet Bright annealing 950-1000 1250-1350 Steel, sheet Job mill heating 1365-1420 2000-2100 317 |