7. 317 bakin karfe. Rashin juriya na lalatawa da juriya mai rarrafe sun fi 316L bakin karfe, wanda ake amfani da shi a cikin kera petrochemical da kayan juriya na kwayoyin acid.

8. 321 bakin karfe. Titanium-stabilized austenitic bakin karfe, ƙara titanium don inganta intergranular lalata juriya, kuma yana da kyau high-zazzabi inji Properties, za a iya maye gurbinsu da matsananci-low carbon austenitic bakin karfe. Sai dai lokuta na musamman kamar babban zafin jiki ko juriya na lalata hydrogen, gabaɗaya ba a ba da shawarar don amfani ba.

9. 347 bakin karfe. Niobium-stabilized austenitic bakin karfe, ƙara niobium don inganta intergranular lalata juriya, da lalata juriya a cikin acid, alkali, gishiri da sauran m kafofin watsa labarai ne iri daya da 321 bakin karfe, mai kyau waldi yi, za a iya amfani da matsayin lalata-resistant abu da anti. -lalata Hot karfe ne yafi amfani a thermal ikon da petrochemical filayen, kamar yin kwantena, bututu, zafi Exchangers, shafts, bututun wuta a cikin tanderun masana'antu, da ma'aunin zafin jiki na tanderun bututu.

10.904L bakin karfe. Super cikakken austenitic bakin karfe wani nau'in bakin karfe ne wanda OUTOKUMPU ya kirkira a Finland. , Yana da kyakkyawan juriya na lalatawa a cikin abubuwan da ba su da oxidizing irin su sulfuric acid, acetic acid, formic acid da phosphoric acid, kuma yana da kyakkyawan juriya ga lalata crevice da damuwa lalata juriya. Ya dace da nau'i-nau'i na sulfuric acid da ke ƙasa da 70 ° C, kuma yana da kyakkyawan juriya na lalata a cikin acetic acid da gauraye acid na formic acid da acetic acid a kowane taro da zafin jiki a ƙarƙashin matsa lamba na al'ada. Asalin daidaitaccen ASMESB-625 ya ƙirƙira shi azaman gami da tushen nickel, kuma sabon ma'aunin ya ƙirƙira shi azaman bakin karfe. Akwai nau'ikan nau'ikan nau'ikan nau'ikan karfe 015Cr19Ni26Mo5Cu2 a China. Wasu ƴan masana'antun kayan aikin Turai suna amfani da bakin karfe 904L azaman maɓalli. Misali, bututun aunawa na E+H's mass flowmeter anyi shi da bakin karfe 904L, kuma yanayin agogon Rolex shima an yi shi da bakin karfe 904L.

11.440C bakin karfe. Bakin Karfe na Martensitic yana da mafi girman taurin tsakanin taurin bakin karfe da bakin karfe, tare da taurin HRC57. Yafi amfani da nozzles, bearings, bawul muryoyin, bawul kujeru, hannayen riga, bawul mai tushe, da dai sauransu.

12. 17-4PH bakin karfe. Martensitic hazo hardening bakin karfe tare da taurin HRC44 yana da babban ƙarfi, taurin da juriya lalata kuma ba za a iya amfani da shi a yanayin zafi sama da 300°C. Yana da kyakkyawan juriya na lalata yanayi da diluted acid ko gishiri. Juriyar lalatarsa ​​daidai yake da na bakin karfe 304 da bakin karfe 430. Ana amfani da shi don kera dandamali na teku, injin turbine, muryoyin bawul, kujerun bawul, hannayen riga, bawul mai tushe Jira.