To put steel's performance into perspective, here is how it stacks up against other popular metals: Thermal Conductivity ( Relative Performance Highest (The Gold Standard) Pure Copper Excellent (Electrical/Heat Sinks) Pure Aluminum Good (Lightweight Heat Sinks) Brass Cast Iron Comparable to Carbon Steel Carbon Steel Fair Stainless Steel Low Key Takeaway for Your Project
Stainless steel is a relatively . The high Chromium and Nickel content creates a "bottleneck" for heat transfer, which is why stainless steel cookware often has a copper or aluminum core. Galvanized Steel: Thermal Conductivity Of Metals List Steel
Avoid stainless steel; go with carbon steel or, better yet, aluminum or copper. To put steel's performance into perspective, here is
Designed for hardness and heat resistance, these alloys often trade off some conductivity. Designed for hardness and heat resistance, these alloys
Standard structural steels are efficient at transferring heat compared to high-alloy versions.
Increased carbon content slightly interferes with the metal's ability to conduct heat.
The thermal conductivity of steel varies significantly depending on its composition, but a standard value for is approximately .