Three main materials: cobalt-base alloy, nickel-base alloy, and iron-base alloy, 1) Three main materials: cobalt-base alloy, nickel-base alloy, and iron-base alloy, stellite alloy2) Wear-resistant, corrosion-resistant, high temperature-resistant and shock-resistant3) Process: SMA (DC) 4) Diameters: 3.2, 4.0, 4.8mm 6.4mm5) Special requirement: no length limited cobalt alloy welding rod and wire