Mpempe igwe anaghị agba nchara 347, Coil na Bar - AMS 5512, 5646

347 igwe anaghị agba nchara bụ columbium / tantalum kwụsiri ike austenitic chromium-nickel igwe anaghị agba nchara. A na-eme ka ihe a guzosie ike megide nhazi chromium carbide site na mgbakwunye nke columbium na tantalum. Ebe ọ bụ na ihe ndị a nwere njikọ siri ike maka carbon karịa chromium, columbium-tantalum carbides na-asọba n'ime ọka kama ịmepụta na oke ọka. Ekwesịrị ịtụle 347 maka ngwa chọrọ ikpo ọkụ na-adịte aka n'etiti 800ºF (427ºC) na 1650ºF (899ºC) ma ọ bụ maka ịgbado ọkụ n'okpuru ọnọdụ na-egbochi anneal post-weld. 347 abụghị magnetik.