... ,Cr30Ni70,Cr15Ni60,Cr20Ni35,Cr20Ni30,0Cr25Al5 Electric heating Strip : Cr20Ni80,Cr30Ni70,Cr15Ni60,Cr20Ni35,Cr20Ni30,0Cr25Al5 The ... .028.031.015.018.018.021.018.021.0Fe≤1.0≤1.0CushionCushionCushionComponents maximum use temperature 12001250115011001100Melting point14001380139013901390Density g/cm38.408 ... .907.90ResistivityμΩ·m,201.09±0.051.18±0.051.11±0.051.04±0.051.04±0.05Extension rate%≥20≥20≥20 ...