Papa kila kila 904He ʻano kila kila austenitic me ka haʻahaʻa loa o ke kalapona a me ke kiʻekiʻe o ka hoʻohuihui i hoʻolālā ʻia no nā wahi me nā kūlana ʻino ʻino. ʻOi aku ka maikaʻi o ke kūpaʻa ʻana i ka ʻino ma mua o 316L a me 317L, me ka noʻonoʻo ʻana i ke kumukūʻai a me ka hana. Waiwai maikaʻi no ke kālā. Ma muli o ka hoʻohui ʻana o 1.5% keleawe, loaʻa iā ia ke kūpaʻa maikaʻi loa i ka hōʻemi ʻana i nā waikawa e like me ka waikawa sulfuric a me ka waikawa phosphoric. Loaʻa iā ia ke kūpaʻa maikaʻi loa i ka corrosion stress, pitting a me ka crevice corrosion i hoʻokumu ʻia e nā ions paʻakikī, a he kūpaʻa maikaʻi i ka intergranular corrosion. I loko o ka waikawa sulfuric maʻemaʻe i ka pae hoʻohuihui o 0-98%, hiki i ka mahana lawelawe o ka papa kila 904L ke kiʻekiʻe i 40 degere Fahrenheit.
I loko o ka waikawa maʻemaʻe i ka pae hoʻohuihui o 0-85%, maikaʻi loa kona kūpaʻa i ka pala. I loko o ka waikawa phosphoric ʻoihana i hana ʻia e nā kaʻina hana pulu, he hopena koʻikoʻi ko nā haumia i ke kūpaʻa i ka pala. Ma waena o nā ʻano waikawa āpau, ʻoi aku ka maikaʻi o ke kūpaʻa ʻana o ke kila kila super austenitic 904L ma mua o ke kila kila maʻamau. I loko o ka waikawa nitric oxidizing ikaika, ʻoi aku ka haʻahaʻa o ke kūpaʻa ʻana o ke kila kila kila 904L ma mua o nā kila i hoʻohuihui nui ʻia ʻaʻohe kālā. I loko o ka waikawa hydrochloric, ʻo ka hoʻohana ʻana oNā papa kila kila 904Lua kaupalena ʻia i nā ʻāpana haʻahaʻa o 1-2%.
I loko o ka waikawa maʻemaʻe i ka pae hoʻohuihui o 0-85%, maikaʻi loa kona kūpaʻa i ka pala. I loko o ka waikawa phosphoric ʻoihana i hana ʻia e nā kaʻina hana pulu, he hopena koʻikoʻi ko nā haumia i ke kūpaʻa i ka pala. Ma waena o nā ʻano waikawa āpau, ʻoi aku ka maikaʻi o ke kūpaʻa ʻana o ke kila kila super austenitic 904L ma mua o ke kila kila maʻamau. I loko o ka waikawa nitric oxidizing ikaika, ʻoi aku ka haʻahaʻa o ke kūpaʻa ʻana o ke kila kila kila 904L ma mua o nā kila i hoʻohuihui nui ʻia ʻaʻohe kālā. I loko o ka waikawa hydrochloric, ʻo ka hoʻohana ʻana oNā papa kila kila 904Lua kaupalena ʻia i nā ʻāpana haʻahaʻa o 1-2%.
| Papa | C | Mn | Si | P | S | Cr | Mo | Ni | Cu |
| 904L | 0.020 kiʻekiʻe loa | 2.00 ka palena kiʻekiʻe | 1.00 ka palena kiʻekiʻe | 0.040 kiʻekiʻe loa | 0.030 kiʻekiʻe | 19.00 – 23.00 | 4.00 – 5.00 ka palena kiʻekiʻe | 23.00 – 28.00 | 1.00 – 2.00 |
Ka manawa hoʻouna: Mei-23-2024