Lead-Free 96% Tin 4% Silver HVAC SolderNSF 61 Certification for safe use in potable water applicationsAlternative to silver brazing rodsUse for joining copper or brass to copper or brass, copper or brass to steel or stainless, steel or stainless to steel or stainlessMelting temperature: 430° FTensile strength: 14,000 psiASTM B-32 Sn96