... steel material SS304,SS316, SS316L, SS321 and Incoloy 840. Barbecue heating element is made of Ni-Cr resistance wire, high temperature MGO ... steel material, SS304, SS316, SS316L, SS321 and Incoloy 840.Barbecue heating element features:1, Sheath material: SS304, SS316, SS316L, SS321 and Incoloy ... : 1000MΩ/500V, Hi-pot: 2000V/0.5mA, 3S7, Surface: Black, green and bright Heating element for oven