Sigma-Aldrich
Iron
Iron-Chromium-Molybdenum alloy, Fe81Cr16Mo3
Iron-Nickel alloy, Fe50Ni50
Iron-Nickel alloy, Fe52Ni48
Iron-Nickel alloy, Fe55Ni45
Iron-Nickel-Cobalt alloy, Fe63Ni32Co5
Iron/boron/silicon