Tiffany Haney
When cooking over an open flame, it is important to consider the type of cookware that will be used. While metal pans are commonly used, not all metals are created equal when it comes to fire resistance. Some metals, like aluminium, have a lower melting point and can easily warp or melt when exposed to high temperatures, so they need to be held above the fire or coals. Other metals, like cast iron and stainless steel, have higher melting points and are more suitable for direct contact with flames or coals. Additionally, the use of fire-resistant coatings or paints can enhance the fire resistance of metal pans, further protecting them from the extreme heat of a fire.
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What You'll Learn
Cast iron is best for open-fire cooking
Metal pans are not inherently fire-resistant, and will eventually melt and burn under prolonged exposure to intense heat. However, certain metals, such as steel, are more fire-resistant than others. Cast iron, in particular, is an excellent choice for open-fire cooking due to its unique properties.
Cast iron is perfectly safe to place directly on hot coals or an open flame. Its high heat capacity allows it to retain heat effectively, providing even cooking and a strong, rich, beautiful crust. Unlike aluminium and copper, cast iron is not an efficient heat conductor, which is actually beneficial for open-fire cooking. It takes longer to heat up and cool down, making it less prone to sudden temperature spikes. This makes cast iron an excellent heat regulator, providing consistent cooking temperatures.
The weight and solidity of cast iron pans further contribute to their superior heat retention. Heavier pans can hold more heat, and cast iron is the heaviest type of pan available. This makes cast iron ideal for searing, as it can reach the high temperatures required for effective searing. Additionally, cast iron imparts nutritional iron to foods, enhancing the nutritional value of your meals.
Cast iron cookware is also incredibly durable. A well-seasoned cast iron pan can last for generations, becoming an heirloom piece passed down through families. Open-fire cooking with cast iron can be a challenging but rewarding experience, allowing you to create delicious meals with a delightful rustic flavour. It is an art form that requires practice, experimentation, and a bit of trial and error to master.
In summary, cast iron is the best choice for open-fire cooking due to its heat retention, temperature stability, searing ability, nutritional benefits, and durability. Its unique properties make it ideal for cooking over an open flame or hot coals, providing a satisfying and rustic culinary experience.
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Stainless steel is fire-resistant up to 550°F
When cooking over an open flame, it is generally recommended to use seasoned cast iron. However, other types of metal pans, such as stainless steel, can also be used. Stainless steel is known for its high heat tolerance and fire resistance. Specifically, 18/10 stainless steel products can withstand temperatures up to 550°F (or about 288°C) without losing their strength. This makes them safe to use for cooking over a flame and prevents the transfer of any metallic taste to your food.
It is important to note that while stainless steel exhibits excellent fire resistance compared to other metals, it is not entirely "fireproof". At extremely high temperatures, such as 930°F and above, steel will start to lose its strength. Therefore, it is always important to take necessary precautions when working with fire and metal.
To enhance the fire resistance of metal pans, including stainless steel, you can consider using fireproof coatings or paints specifically designed for metal. These coatings can provide additional protection and help slow down the spread of flames. Additionally, always use thick, fire-resistant hot pads to protect your hands and arms from the heat when handling metal pans over an open flame.
When purchasing a stainless steel pan for open-fire cooking, it is recommended to invest in a good-quality product. Reliable brands, such as Cuisinart, offer stainless steel cookware sets that are safe to use and provide even heat distribution. Remember that high heat may cause oxidation, resulting in discolouration on the outside of your pans.
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Anodized aluminium is inexpensive but heats unevenly
Metal pans are not inherently fire-resistant, and metal will eventually melt and burn given high enough temperatures. However, some metals, such as steel, are more fire-resistant than others. Fire resistance refers to the duration of time a metal can withstand flames and high temperatures before losing its structural integrity.
Now, anodized aluminum is a popular choice for cookware due to its durability, excellent heat conductivity, and relatively low price. However, one of the drawbacks of anodized aluminum is that it heats unevenly. This is because stamped anodized aluminum, which is created by stamping a sheet of aluminum with a machine, is thin and prone to warping, resulting in uneven heating. In contrast, cast aluminum, which is made by pouring molten aluminum into a mold, is thicker and heats more evenly. Additionally, while anodized aluminum is durable, the anodized surface can crack due to heat expansion, especially during the curing cycle for powder coating.
To improve the heat distribution of anodized aluminum cookware, some manufacturers combine anodized aluminum with other materials. For example, the Viking line of cookware features an exterior layer of hard anodized aluminum, three internal layers of aluminum, and a cooking surface of stainless steel. This combination provides faster and more even heating due to the greater amount of aluminum, while the stainless steel cooking surface and anodized outer layer offer superb durability.
While anodized aluminum may not provide the most even heating, it is still a popular choice for cookware due to its low cost, durability, and good heat conductivity. However, if even heating is a priority, other materials such as cast iron or copper may be preferable, although they can be more expensive. Ultimately, the choice of cookware depends on the specific needs and budget of the consumer.
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Glass cookware must not be used over a fire
Metal pans are not inherently fire-resistant, and they will melt and burn under intense heat. However, some metals, like steel, are more fire-resistant than others. Steel can retain its strength in temperatures up to 700°F (371°C), but at 930°F (499°C), it loses 30% of its strength, and at temperatures above 1000°F (538°C), unprotected steel loses close to half of its strength. Fire-resistant paints can also be used to increase the fire resistance of metal pans.
Now, while glass cookware has its advantages, it is not suitable for use over an open flame. Glass cookware is susceptible to thermal shock, which can cause it to shatter or explode. Thermal shock occurs when glass cookware is subjected to rapid or extreme temperature changes, such as pouring cold liquid into hot glassware or placing hot glassware on a cold surface. Additionally, the material used in manufacturing glass cookware can also contribute to its explosion. Soda lime silicate, for example, is unable to withstand rapid exposure to boiling water. Furthermore, some manufacturers may use substandard materials or cheap glass, which can burn or break at moderate temperatures.
Therefore, when using glass cookware, it is crucial to avoid sudden temperature changes and ensure that the glass is of good quality. Regularly checking for damage, such as chips or cracks, is also essential, as these weaknesses can make the glass more susceptible to breaking.
While glass cookware should not be used over an open flame, there are alternative options available, such as metal pans made from cast iron, copper, or anodized aluminum, which are better suited for cooking over a fire. Cast iron, for example, maintains its structure and distributes heat evenly, even in extremely high-heat scenarios. Copper provides superior heat conduction, so it doesn't require high heat levels for cooking and is suitable for residual heat cooking. Anodized aluminum is stronger than regular aluminum and is scratch-resistant.
In conclusion, while metal pans are not inherently fire-resistant, some metals and treatments can increase their fire resistance. Glass cookware, on the other hand, is susceptible to thermal shock and should not be used over an open flame to avoid shattering or exploding. Alternative cookware options, such as cast iron, copper, or anodized aluminum pans, are better suited for cooking over a fire.
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Fireproof paints can be used to fireproof metal
While metal is not the first material that comes to mind when considering fire hazards, it will melt and burn given sufficiently high temperatures. Steel, especially stainless steel, is the most fire-resistant metal, retaining all of its strength in temperatures up to 700°F (371°C). However, at 930°F (499°C), steel loses 30% of its strength, and at temperatures above 1,000°F (538°C), unprotected steel loses close to half of its strength.
Fireproof paints are an effective way to increase the fire resistance of metal. There are two types of fireproof paint: intumescent and non-intumescent. Intumescent paint, such as FlameOFF® Fire Barrier Paint, swells and creates a thick char barrier of foam when exposed to high temperatures, insulating the structure behind the paint from fire and smoke. This type of paint can be applied to sheet metal, sheetrock, composite panels, and interior wood. Non-intumescent paint, on the other hand, slows the spread of flames.
When choosing a fireproof paint, it is important to consider the substrate being painted, the environment, and the relevant fire code. For example, fire retardant paint for wood is specifically designed to create a protective layer that slows the spread of flames. Contego High Solids is another fireproof paint designed specifically for structural steel, requiring 20% less paint to achieve the desired rating.
In addition to paints, fire retardant sprays and coatings are also available to increase the fire resistance of metal. For example, RDR Technologies offers fire retardant sprays and coatings to protect the structure of buildings during a fire.
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Frequently asked questions
Cast iron is considered the best metal for cooking over a fire. Cast iron pans can be used on a camp stove or placed directly over an open flame. Stainless steel is also a good option as it has a higher melting point than aluminium.
The pan should be held 6-8 inches above the fire or coals. The whole pan, including the handle, will get very hot, so use a cloth, mitt, or something similar to handle the pan.
Avoid cleaning the pan with cold water right after cooking as the sudden temperature change can ruin the pan. Instead, let the pan cool down, then use a cloth or other soft items to clean it.
