Ụdị 347/347H igwe anaghị agba nchara bụ ọkwa austenitic nke chromium steel, nke nwere columbium dị ka ihe na-eme ka ọ kwụsie ike. Enwere ike ịgbakwunye Tantalum maka imezu nkwụsi ike. Nke a na-ewepụ ọdịda carbide, yana corrosion intergranular na ọkpọkọ ígwè. Ụdị 347 / 347H igwe anaghị agba nchara ọkpọkọ na-enye elu creep na nrụgide mgbawa Njirimara karịa ọkwa 304 na 304L. Nke a na-eme ka ha dabara adaba maka ikpughe na mmetụta uche na corrosion intergranular. Ọzọkwa, ntinye nke columbium na-enye ohere ka ọkpọkọ 347 nwee ezigbo nguzogide corrosion, ọbụna karịa nke 321 igwe anaghị agba nchara. Otú ọ dị, 347H ígwè bụ elu carbon mejupụtara dochie igwe anaghị agba nchara ọkwa ọkwa 347. Ya mere, 347H ígwè tubes na-enye mma elu okpomọkụ na creep Njirimara.
Oge nzipu: Dec-10-2021