BAYANI
Bakin karfe 317L shine molybdenum sa mai ɗauke da ƙarancin carbon, tare da ƙari na chromium, nickel, da molybdenum. Wannan yana ba da mafi kyawun juriya na lalata da ƙara juriya ga hare-haren sinadarai daga acetic, tartaric, formic, citric, da sulfuric acid. 317L bututu / bututu suna ba da mafi girma rarrafe, da juriya ga hankali lokacin walda, saboda ƙarancin abun ciki na carbon. Ƙarin fa'idodin sun haɗa da damuwa don tsagawa juriya, da ƙarfin juriya a yanayin zafi mai tsayi. Grade 317l karfe bututu ba Magnetic a cikin annealed yanayin. Duk da haka, bayan waldi kadan magnetism na iya lura.
317L BABBAN BUBUWAN KARFE
317L bakin karfe tubes kawota ta Arch City Karfe & Alloy dauke da wadannan kaddarorin:
Juriya na Lalata:
- Yana nuna juriya na musamman na lalata a wurare daban-daban, musamman a cikin mahallin chloride acid da keɓaɓɓun sinadarai.
- Kyakkyawan juriya na lalata a aikace-aikace inda ake buƙatar ƙarancin ƙazanta
- 317L bakin karfe tube / bututu tare da low carbon abun ciki yayi kyau juriya ga intergranular lalata
- Halin ƙarfe zuwa rami lokacin da ake hulɗa da chlorides, bromides, phosphorus acid, da iodides yana danne.
Juriya mai zafi:
- Kyakkyawan juriya ga oxidation saboda abun ciki na chromium-nickel-molybdenum.
- Yana nuna ƙarancin ƙima a yanayin zafi har zuwa 1600-1650°F (871-899°C), a cikin yanayi na yau da kullun.
Halayen walda:
- Sai dai oxyacetylene waldi, wanda aka yi nasarar walda shi ta duk hanyoyin haɗaka da juriya.
- Filler karfe tare da tushen nickel da isassun chromium da abun ciki na molybdenum yakamata a yi amfani da su don weld Nau'in karfe 317L. Wannan yana taimakawa wajen haɓaka juriya na lalata samfuran welded. Ana iya amfani da AWS E317L/ER317L ko austenitic, ƙananan karafa masu cike da carbon wanda ke da abun ciki na molybdenum sama da 317L kuma ana iya amfani dashi.
Iyakar injina:
- Yin aiki a ƙananan gudu tare da ciyarwa akai-akai yana taimakawa rage yanayin bututun 317L don taurare.
- Grade 317L bakin karfe bututu sun fi ƙarfin 304 bakin karfe kuma suna ƙarƙashin guntu mai tsayi da kirtani lokacin da aka sarrafa su. Don haka, ana ba da shawarar yin amfani da na'urori masu fashewa.
Aikace-aikace:
Grade 317L bakin karfe shambura ne kullum amfani ga handling barasa, acid dyestuffs, bleaching mafita, acetylating da nitrating gaurayawan, da dai sauransu Wasu takamaiman aikace-aikace na sa 317L shambura da bututu hada da:
- Chemical da petrochemical kayan aiki
- Kayan aiki na takarda da ɓangaren litattafan almara
- Kayan aikin sarrafa abinci
- Condensers a cikin makaman nukiliya da burbushin tashoshi
- Kayan aikin yadi
ABINDA AKE KEDAUKA:
| Haɗin Kan Sinadari % (mafi yawan ƙima, sai dai in an lura) | |||||||||
| Daraja | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
| 317l | 0.035 max | 2.0 max | 0.75 max | 0.04 max | 0.03 max | min: 18.0 max:20.0 | min: 3 max: 4 | min: 11.0 max: 15.0 | daidaitawa |
Lokacin aikawa: Oktoba-09-2020