Yes, metal can melt if placed directly on top of glass in the oven. The reason for this is that glass and metal have significantly different melting points, and the high heat inside the oven can cause the metal to reach its melting point.
Glass is generally heat-resistant and can withstand the temperatures found in most household ovens. However, metals, depending on their type and composition, have much lower melting points. For example, aluminum has a melting point around 660°C (1220°F), while certain types of glass can withstand temperatures well above 1000°C (1832°F).
If you place metal directly on top of glass in the oven, the metal can transfer its heat to the glass, potentially causing the glass to crack or shatter due to thermal stress. Additionally, the metal itself may melt, deform, or cause damage to the oven's heating elements or interior surfaces.
To avoid these risks, it's essential to use appropriate cookware and follow proper guidelines when using the oven:
Use Oven-Safe Cookware: Always use oven-safe cookware made of materials designed for high-temperature cooking, such as stainless steel, cast iron, or oven-safe ceramics.
Use Oven Mitts or Trivets: When placing hot cookware on countertops or any heat-sensitive surface, use oven mitts or trivets to protect the surface from the heat.
Avoid Direct Contact: Avoid placing metal directly on top of glass or any other heat-sensitive material in the oven to prevent potential damage or accidents.
Check Manufacturer's Recommendations: Follow the manufacturer's guidelines for both the oven and cookware to ensure safe usage.
By using the appropriate cookware and practicing proper safety measures, you can enjoy efficient and safe cooking in your oven without risking damage to your cookware or oven.