Tp347 bụ ígwè anaghị agba nchara austenitic nke ejiri columbium mee ka ọ kwụsie ike. Mgbakwunye nke columbium na-eme ka ọkwa igwe anaghị agba nchara a rụọ ọrụ nke ọma na ọnọdụ oxidation dị elu n'okpuru oke okpomọkụ na ihe dị ka ogo 800 Celsius.
TP347H (UNS S3409) bụ ọkwa ígwè anaghị agba nchara nke TP347 nke nwere ọdịnaya carbon dị elu (0.04 – 0.10)
347H nwere ezigbo iguzogide nchara dị n'etiti granular, ma nwee ezigbo iguzogide nchara na alkali, mmiri mmiri na ọtụtụ ihe ngwọta acid dị iche iche. N'ihi ezigbo iguzogide okpomọkụ na iguzogide oxidation, ọ nwere ike iguzogide obere ibu na okpomọkụ dị n'okpuru ogo 850.
Ọkwa Tube:TP347, AISI 347, EN 1.4550, UNS S34700
Ụdị Tube:Enweghị Nsogbu
Ụdị Tube:Mpekere kwụ ọtọ, U gbagọrọ agbagọ, nke a kpụrụ akpụ ruo n'ogologo
Mmecha Elu:Ngwọta e ji ihe na-esi ísì ụtọ mee (AP), Bright Annealed (BA), a kpụchara akpụcha