Babban Bakin Karfe 904L/N08904 Plate, Tubing, Sanda, Ƙarfe
Samfuran Samfura
Bututu mara nauyi, Faranti, Sanda, Forgings, Fasteners, Kayan aikin bututu.
Ka'idojin samarwa
| Samfura | ASTM |
| Bars, tube da bayanan martaba | A 479 |
| Plate, Sheet da Strip | 240, A 480 |
| Kayan aikin bututu na jabu, mara sumul | A 403 |
| Ƙarfafa flanges, ƙirƙira | A 182 |
| Bututu mara nauyi | A 312 |
Haɗin Sinadari
| % | Fe | Cr | Ni | Mo | C | Mn | Si | P | S | Cu |
| Min | daidaitacce | 19.0 | 23.0 | 4.0 |
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| 1.0 |
| Max | 23.0 | 28.0 | 5.0 | 0.02 | 2.00 | 1.00 | 0.045 | 0.035 | 2.0 |
Abubuwan Jiki
| Yawan yawa | 8.0 g/cm 3 |
| Narkewa | 1300-1390 ℃ |
904L Abubuwan Kaya
Saboda abun ciki na carbon na 904L yana da ƙasa sosai (0.020% matsakaicin), ba za a sami hazo carbide ba a cikin yanayin jiyya na zafi na gabaɗaya da walda.Wannan yana kawar da haɗarin lalata intergranular wanda yawanci ke faruwa bayan maganin zafi da walda.Saboda babban abun ciki na chromium-nickel-molybdenum da ƙari na jan karfe, 904L na iya wucewa ko da a rage yanayin kamar su sulfuric da formic acid.Babban abun ciki na nickel kuma yana haifar da ƙarancin lalata a cikin yanayin aiki.A cikin tsantsar sulfuric acid a cikin kewayon maida hankali na 0 ~ 98%, zafin aiki na 904L na iya zama sama da digiri 40 na ma'aunin celcius.A cikin tsantsar phosphoric acid a cikin kewayon maida hankali na 0 ~ 85%, juriya na lalata yana da kyau sosai.A cikin masana'antar phosphoric acid da aka samar ta hanyar rigar tsari, ƙazanta suna da tasiri mai ƙarfi akan juriya na lalata.Daga cikin nau'ikan acid phosphoric daban-daban, 904L ya fi juriya da lalata fiye da bakin karfe na yau da kullun.A cikin nitric acid mai ƙarfi mai ƙarfi, 904L yana da ƙarancin juriya na lalata fiye da makin ƙarfe da ba su ƙunshi molybdenum ba.A cikin acid hydrochloric, amfani da 904L yana iyakance ga ƙananan ƙira na 1-2%.a cikin wannan kewayon maida hankali.Rashin juriya na 904L yana da kyau fiye da na bakin karfe na al'ada.904L karfe yana da babban juriya ga lalata lalata.Juriyarsa ga lalatawar ɓarna a cikin maganin chloride shima yana da kyau sosai.Babban abun ciki na nickel na 904L yana rage yawan lalata a cikin ramuka da ramuka.Bakin karfe na austenitic na yau da kullun na iya zama mai saukin kamuwa da lalatawar danniya a cikin mahalli mai arzikin chloride a yanayin zafi sama da 60°C, kuma ana iya rage wannan azancin ta hanyar ƙara abun cikin nickel na bakin karfe.Saboda babban abun ciki na nickel, 904L yana da matukar juriya ga lalatawar damuwa a cikin mafita na chloride, mafita mai mahimmanci na hydroxide da mahalli masu wadatar hydrogen sulfide.
Wuraren Aikace-aikacen Kayan Abu 904L
1.Petroleum, petrochemical kayan aiki, kamar reactors a petrochemical kayan aiki, da dai sauransu.
2.Storage da kayan sufuri don sulfuric acid, kamar masu musayar zafi, da dai sauransu.
3.The flue gas desulfurization na'urar a ikon shuke-shuke da aka yafi amfani a: hasumiya jiki na sha hasumiya, da flue, da rufe, na ciki sassa, da fesa tsarin, da dai sauransu.
4.Crubbers da magoya baya a cikin tsarin kula da kwayoyin acid.
5.Na'urorin kula da ruwan teku, masu musayar zafi na teku, kayan masana'antu na takarda, sulfuric acid, kayan aikin nitric acid, samar da acid, masana'antun magunguna da sauran kayan aikin sinadarai, tasoshin matsa lamba, kayan abinci.
6.Pharmaceutical shuke-shuke: centrifuges, reactors, da dai sauransu.
7.Tsarin shuka: kwalban soya miya, ruwan inabi dafa abinci, kwalban gishiri, kayan aiki da sutura.
8.904L shine madaidaicin ƙarfe na ƙarfe don matsakaicin lalata mai ƙarfi na tsarma sulfuric acid.
