Haɗin Sinadari
| Daraja | C≤ | Si ≤ | Mn≤ | P≤ | S≤ | Ni | Cr |
| 201 | 0.15 | 1 | 5.50-7.50 | 0.5 | 0.03 | 3.50-5.50 | 16.00-18.00 |
| 202 | 0.15 | 1 | 7.50-10.00 | 0.5 | 0.03 | 4.00-6.00 | 17.00-19.00 |
| 304 | 0.08 | 1 | 2 | 0.045 | 0.03 | 8.00-11.00 | 18.00-20.00 |
| 304l | 0.03 | 1 | 2 | 0.045 | 0.03 | 8.00-12.00 | 18.00-20.00 |
| 309 | 0.2 | 1 | 2 | 0.04 | 0.03 | 12.00-15.00 | 22.00-24.00 |
| 309S | 0.08 | 1 | 2 | 0.045 | 0.03 | 12.00-15.00 | 22.00-24.00 |
| 310 | 0.25 | 1 | 2 | 0.04 | 0.03 | 19.00-22.00 | 24.00-26.00 |
| 310S | 0.08 | 1 | 2 | 0.045 | 0.03 | 19.00-22.00 | 24.00-26.00 |
| 316 | 0.08 | 1 | 2 | 0.045 | 0.03 | 10.00-14.00 | 16.00-18.00 |
| 316l | 0.03 | 1 | 2 | 0.045 | 0.03 | 10.00-14.00 | 16.00-18.00 |
| 316 Ti | 0.08 | 1 | 2 | 0.045 | 0.03 | 10.00-14.00 | 16.00-18.00 |
| 410 | 0.15 | 1 | 1 | 0.04 | 0.03 | 0.6 | 11.50-13.50 |
| 430 | 0.12 | 0.12 | 1 | 0.04 | 0.03 | 0.6 | 16.00-18.00 |
Ƙarƙashin Ƙarfe na Bakin Karfe Coil
| Ƙarshen Sama | Ma'anarsa | Aikace-aikace |
| Na 1 | Fuskar da aka gama ta hanyar magani mai zafi da pickling ko matakai masu dacewa a wurin bayan mirgina mai zafi. | Chemical tank, bututu |
| 2B | Wadanda suka gama, bayan juyi sanyi, ta hanyar magani mai zafi, pickling ko wani magani makamancin haka kuma ta ƙarshe ta hanyar mirgina sanyi don ba da haske mai dacewa. | Kayan aikin likita, Masana'antar abinci, Kayan gini, Kayan abinci. |
| Na 4 | Wadanda aka gama ta hanyar gogewa tare da No.150 zuwa No.180 abrasives da aka ƙayyade a cikin JIS R6001. | Kayan dafa abinci, Kayan lantarki, Gine-gine. |
| Gyaran gashi | Waɗanda suka gama gogewa don ba da ƙoshin ƙoshin ci gaba ta hanyar amfani da abrasive na girman hatsin da ya dace. | Gina Gine-gine. |
| BA/8K Mirror | Wadanda aka sarrafa tare da maganin zafi mai haske bayan mirgina sanyi. | Kayan dafa abinci, Kayan lantarki, Ginin gini |
Ilimin Bakin Karfe
●304 Bakin Karfe
304 bakin karfe abu ne mai matukar dacewa da aka saba amfani dashi wajen kera kayan aiki da sassan da ke buƙatar kyawawan kaddarorin gabaɗaya, gami da juriyar lalata da tsari.Don tabbatar da juriyar lalacewarsa, bakin karfe dole ne ya ƙunshi akalla 18% chromium da 8% nickel.
Standard na
Abun da ke ciki na karfe 304 yana taka muhimmiyar rawa wajen tantance juriya da kimar sa.Ko da yake nickel (Ni) da chromium (Cr) su ne manyan abubuwa, wasu abubuwan kuma na iya haɗawa.Daidaitaccen samfurin yana ƙayyade takamaiman buƙatun don karfe 304.An fahimci gabaɗaya a cikin masana'antar cewa idan abun cikin Ni ya wuce 8% kuma abun cikin Cr ya wuce 18%, ana iya rarraba shi azaman ƙarfe 304.Shi ya sa ake yawan kiransa 18/8 bakin karfe.Ya kamata a lura cewa akwai ƙayyadaddun ƙa'idodi a cikin ƙa'idodin samfurin da suka dace na karfe 304, kuma waɗannan ƙa'idodin na iya bambanta bisa ga siffar da nau'in bakin karfe.
