... materials: cobalt-base alloy, nickel-base alloy, and iron-base alloy, Features:1) Three main materials: cobalt-base alloy, nickel-base alloy, and iron- ... base alloy, stellite alloy2) Wear-resistant, corrosion-resistant, high temperature ... Special requirement: no length limitedPacking:355mm long/5kg, 20kg cobalt alloy electrodes