答: 电阻丝材料: 镍铬合金电阻丝,铁铬铝合金电阻丝 材质: 镍铬合金:Cr20Ni80 Cr15Ni60 Cr20Ni35 Cr20Ni30 Cr25Ni20 铁铬铝合金:0Cr25Al5 0Cr21Al6 0Cr21Al6Nb 0Cr23AL5 1Cr13AL4 1Cr21AL4 0Cr27Al7Mo2