Efere ígwè anaghị agba nchara 904bụ ụdị ígwè anaghị agba nchara austenitic nke nwere obere carbon dị oke mma ma nwee nnukwu alloy nke e mere maka gburugburu ebe nwere nsogbu nchara siri ike. Ọ nwere ike iguzogide nchara karịa 316L na 317L, ebe ọ na-eburu n'uche ma ọnụahịa ma arụmọrụ. Uru dị mma maka ego. N'ihi mgbakwunye nke 1.5% ọla kọpa, ọ nwere ezigbo ike iguzogide nchara megide acid ndị na-ebelata dị ka sulfuric acid na phosphoric acid. Ọ nwekwara ezigbo ike iguzogide nchara megide nrụgide, pitting na crevice corrosion nke ions mgbagwoju anya kpatara, ma nwee ezigbo ike iguzogide nchara intergranular. Na sulfuric acid dị ọcha na oke njupụta nke 0-98%, okpomọkụ ọrụ nke efere ígwè 904L nwere ike ịdị elu ruo ogo 40 Fahrenheit.
N'ime asịd dị ọcha nke dị n'ogo 0-85%, ọ na-eguzogide nchara nke ọma. Na asịd phosphoric nke ụlọ ọrụ mmepụta ihe nke usoro mmiri na-emepụta, ihe ndị na-adịghị ọcha na-enwe mmetụta siri ike na iguzogide nchara. N'ime ụdị asịd niile, ígwè anaghị agba nchara nke 904L super austenitic nwere nguzogide nchara ka mma karịa ígwè anaghị agba nchara nkịtị. N'ime nguzogide nitric acid siri ike, ígwè anaghị agba nchara nke 904L nwere nguzogide nchara dị ala karịa ígwè ndị a gwakọtara nke ọma nke na-enweghị ọlaọcha. Na acid hydrochloric, ojiji nkeEfere ígwè anaghị agba nchara 904La na-ebelata oke mmetụta nke 1-2%.
N'ime asịd dị ọcha nke dị n'ogo 0-85%, ọ na-eguzogide nchara nke ọma. Na asịd phosphoric nke ụlọ ọrụ mmepụta ihe nke usoro mmiri na-emepụta, ihe ndị na-adịghị ọcha na-enwe mmetụta siri ike na iguzogide nchara. N'ime ụdị asịd niile, ígwè anaghị agba nchara nke 904L super austenitic nwere nguzogide nchara ka mma karịa ígwè anaghị agba nchara nkịtị. N'ime nguzogide nitric acid siri ike, ígwè anaghị agba nchara nke 904L nwere nguzogide nchara dị ala karịa ígwè ndị a gwakọtara nke ọma nke na-enweghị ọlaọcha. Na acid hydrochloric, ojiji nkeEfere ígwè anaghị agba nchara 904La na-ebelata oke mmetụta nke 1-2%.
| Ọkwa | C | Mn | Si | P | S | Cr | Mo | Ni | Cu |
| 904L | 0.020 kachasị | Oke kachasị 2.00 | 1.00 kachasị | 0.040 kachasị | 0.030 kachasị | 19.00 – 23.00 | Oke kachasị: 4.00 – 5.00 | 23.00 – 28.00 | 1.00 – 2.00 |
Oge ozi: Mee-23-2024