DUROARC NI Kg) tiller RHA14 Teng Ratchet Head 50 200mm capacity x RHA14 Teng Ratchet Head Adaptor Durango 2014 2020 Ideally suited to the welding of all grades of grey cast iron particularly thin sections and welds that require highest possible machinabilityTYPICAL APPLICATIONSAutomotive and truck engine blocks motor blocks cylinder blocks and heads pump housing transmissions and differential housings pump and valve housings and the likeSPECIFICATIONSTensile Strength 55000 psiHardnessRo ckwell B 8284WELDING TECHNIQUESClean weld area of all scale grease and dirt Bevel breaks and cracks to 7090 vee Use a short to medium arc at the minimum possible amperage for best results Stringer beads or weaving technique Peen to relieve stresses Skip weld to avoid excessive local heat Remove slag between deposits Allow castings to cool slowly to room temperatureAWSASME 515 E Ni Cl Models in this range