... plated,black,etc 4.flat,pan, etc. cast iron casting of carbon steel material 1.Surface Finish: annealing, natural anodization, heat treatment ... .5.We have a lot of years technical experiences, we are engaged in the hardware for many years,we ... Product name cast iron casting of carbon steel material Material1.Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS4202.Steel:C45(K1045), C46(K1046), ...