Emilie Meyer
Cast iron pans are easily identifiable by their weight—if you can lift it comfortably with one hand, it's not cast iron. Authentic cast iron pans have thick bottoms and sides, making them heavy. They are usually black to dark grey in colour, with smooth, shiny surfaces. Cast iron pans are manufactured in one-piece moulds, so the handle is included in the mould, rather than being riveted or screwed on.
| Characteristics | Values |
|---|---|
| Weight | A cast-iron pan is heavy and has a thick bottom and sides. If you can lift it comfortably with one hand, it is not cast iron. Cast iron pans weigh around 3 pounds or more. |
| Colour | Black to dark grey with a smooth, shiny surface. |
| Handle | The handle is included in the mold to form one piece of cookware. |
| Brand | Lodge, Griswold, Camp Chef, Cuisinart, and Le Creuset are some well-known brands. |
| Markings | Numbers or brand names at the bottom. |
| Seasoning | Cast iron pans require seasoning to prevent rusting and food from sticking. Seasoning can cause discolouration. |
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What You'll Learn
Check the weight of the pan
One of the easiest ways to identify a cast-iron pan is by its weight. Cast iron pans are heavy, with a weight of around 3 pounds and above. If you can lift the pan comfortably with one hand, it is not a cast iron pan. Authentic cast iron pans have thick bottoms and sides, which contribute to their weight.
Cast iron is a highly reactive material that can rust quickly in humid conditions. Therefore, cast iron pans are often manufactured with a protective coating of seasoning. This coating is usually light and applied during the manufacturing process. Over time, as you cook in the pan, it will gain and lose seasoning, causing some discolouration. However, as you develop more seasoning, the colour will even out and darken.
Cast iron pans are also characterised by their handles. Since they are manufactured in a one-piece mould, the handle is included in the mould, resulting in a single-piece construction. In contrast, non-cast iron pans often have handles that are riveted or screwed on separately.
When purchasing a cast iron pan, it is important to look for brand characteristics or markings. Some popular brands in the cast iron cookware market include Lodge, Griswold, Camp Chef, Cuisinart, and Le Creuset. Additionally, cast iron pans may have numbers or other markings on the bottom, which can help identify their manufacturer.
In summary, when determining if a pan is made of cast iron, weight is a critical factor. The substantial weight of cast iron pans, due to their thick construction, is a distinguishing feature. Additionally, factors such as the presence of a protective coating, the colour, the handle construction, and brand markings can also provide valuable clues in identifying cast iron cookware.
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Examine the handle
One of the key indicators of whether a pan is made of cast iron or not is its handle. Cast iron pans are manufactured in a one-piece mould, so the handle is included in the mould to form one piece of cookware. Therefore, if the handle of your pan is screwed or riveted on, it is most likely not cast iron, or at least not a good-quality piece. Due to the weight of cast iron, a handle that is screwed on would be a weak point and could be dangerous.
Another feature of cast iron handles is that they often have curved ends. For example, corn stick pans have outward-curved ends for handles, with round or elongated hanging holes.
Some skillets have the size number incised on the top of the handle, and no other markings except perhaps some incised dots on the underside of the handle.
Older cast iron pans may also have a helper handle.
Finally, cast iron pans are heavy. If you can comfortably lift the pan with one hand, it is probably not cast iron.
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Look for markings or brand names
If your pan has a brand label, you can compare its logo design and font to other pans of the same brand to estimate its age. For example, Lodge's iconic egg logo was created in 1973, so any pan with just the name "Lodge" carved at the back is over 45 years old. Similarly, the Wapak logo has a different version every year, so you can check the logo to find out the exact age of the cast-iron pan.
Some other famous brands to look out for are Griswold, Camp Chef, Cuisinart, and Le Creuset. Cast iron pans manufactured by Griswold are especially valuable, with a mint-condition, super-rare "spider skillet" made in the 1890s fetching up to $8,000.
However, it is important to note that many cast iron pans are unmarked. In the 18th and 19th centuries, several small foundries did not mark their products with their name. Even today, iron casting companies manufacture unmarked cast iron pans for big-name department stores. These unmarked pans are typically of the same quality as their branded counterparts and are sold at a lower price.
If your pan is unmarked, you can still identify its maker by looking at the shape of the handle's hole, the contours of the top and bottom, and any raised or incised numbers or general markings. You can also check the helper handle or tab design, the position and design of the heat ring at the bottom, and the pour spouts. A quick way to determine if the pan is early or pre-20th century is to look for a gate mark on the bottom side. A gate mark looks like a slash and was a by-product of older iron-casting methods.
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Observe the colour and surface
The colour of a cast-iron pan is typically black to dark grey. The surface should be smooth and shiny if the pan is in good condition. When you first buy a cast-iron pan, it usually comes with a light protective coating of seasoning. Over time, as you cook in the pan, it will gain and lose seasoning in different spots, which can cause some discolouration. However, as you develop more seasoning across the surface of the pan, you will notice that the colour evens out and darkens overall.
Cast-iron pans are highly susceptible to rust, so it is important to dry them thoroughly after each use. If rust does occur, scrub it off with cold water and a stiff brush or scouring pad, then begin building up new seasoning on the pan. To prevent rust from forming, coat the skillet with a thin layer of seasoning oil after each use, and use the pan frequently.
It is worth noting that some cast-iron pans may have a different appearance depending on their age. Older cast-iron pans often have three or four projecting nodes or notches that enable them to sit on gas grills or electric heating plates. Newer pans, on the other hand, typically have concave bottoms for better heat distribution. Additionally, some refurbished or unmarked cast-iron pans may be sold by department stores or other retailers.
When examining the colour and surface of a cast-iron pan, it is important to look for a uniform dark colour and a smooth, shiny surface. Any discolouration or flaking seasoning can usually be remedied by following proper seasoning and maintenance techniques. By regularly seasoning and caring for your cast-iron pan, you can maintain its optimal colour and surface condition.
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Study the bottom of the pan
Studying the bottom of the pan can be a great way to identify whether it is made of cast iron or not. Here are some key things to look out for:
Firstly, check for any markings or brand names. Cast iron pans often have the brand name, size, or range name displayed on the bottom. Some popular cast iron brands include Lodge, Griswold, Camp Chef, Cuisinart, and Le Creuset. Additionally, look for numbers at the bottom, which can be another hint. For example, a skillet with 3, 5, or 7 followed by an S indicates an economic pan from Birmingham Stove & Range or Lodge. Pans with a 3- or 4-digit code and a three-hole handle are Griswolds.
Secondly, examine the physical characteristics of the pan's bottom. Cast iron pans tend to have thick bottoms and sides, contributing to their weight. If the pan feels lightweight and can be comfortably lifted with one hand, it is likely not made of cast iron. Cast iron pans typically weigh around 3 pounds or more. Additionally, look for old cast iron pans with three or four projecting nodes or notches, which enable them to sit on gas grills or electric heating plates. Newer cast iron pans may have concave bottoms for better heat distribution.
Lastly, pay attention to the colour and surface finish. Cast iron pans are typically black to dark grey in colour and should have a smooth, shiny surface if they are in good condition. Over time, with use and seasoning, the colour of the pan may darken and even out.
Remember, studying the bottom of the pan is just one aspect of identifying a cast iron pan. Combining this knowledge with other characteristics, such as weight, handle design, and overall appearance, will help you make a more informed decision about the material of your pan.
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Frequently asked questions
Cast iron pans are heavy, weighing around 3 pounds or more. If you can lift the pan comfortably with one hand, it is not cast iron.
Cast iron pans are black to dark grey in colour and have a smooth, shiny surface if they are in good condition.
You can use Google Images to compare your pan to pictures of cast iron pans. You can also look for distinctive features such as the manufacturer's markings, numbers, or brand characteristics.
Cast iron pans usually have a thick bottom and sides, a one-piece mould with no rivets or screws, and a handle with three holes. Some famous brands include Lodge, Griswold, Camp Chef, Cuisinart, and Le Creuset.
Yes, there are new and old cast iron pans. Old cast iron pans have three or four projecting nodes or notches, while new pans have concave bottoms for even heat distribution.
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