The as-simintin tsarinaustenitic bakin karfeSimintin gyare-gyare shine austenite + carbide ko austenite + ferrite. Maganin zafi na iya inganta juriyar lalatawar simintin bakin karfe austenitic.
Kwatankwacin darajar Austenitic Bakin Karfe | ||||||||
| AISI | W-tafi | DIN | BS | SS | AFNOR | UNE / IHA | JIS | UNI |
| 304 | 1.4301 | X5 CrNi 18 9 | 304 S15 | 2332 | Z 6 CN 18.09 | F.3551 | Farashin 304 | X5CrNi18 10 |
| 305 | 1.4303 | X5 CrNi 18 12 | 305 S19 | - | Z 8 CN 18.12 | - | Farashin 305 | X8CrNi19 10 |
| 303 | 1.4305 | X12 CrNiS 18 8 | 303 S21 | 2346 | Z 10 CNF 18.09 | F.3508 | Farashin 303 | X10CrNiS 18 09 |
| 304l | 1.4306 | X2 CrNiS 18 9 | 304 S12 | 2352 | Z 2 CN 18.10 | F.3503 | SUS 304L | X2CrNi18 11 |
| 301 | 1.4310 | X12 CrNi 17 7 | - | 2331 | Z 12 CN 17.07 | F.3517 | Farashin 301 | X12CrNi17 07 |
| 304 | 1.4350 | X5 CrNi 18 9 | 304 S31 | 2332 | Z 6 CN 18.09 | F.3551 | Farashin 304 | X5CrNi18 10 |
| 304 | 1.4350 | X5 CrNi 18 9 | 304 S31 | 2333 | Z 6 CN 18.09 | F.3551 | Farashin 304 | X5CrNi18 10 |
| 304LN | 1.4311 | X2 CrNiN 18 10 | 304 S62 | 2371 | Z 2 CN 18.10 | - | SUS 304 LN | - |
| 316 | 1.4401 | X5 CrNiMo 18 10 | 316 S16 | 2347 | Z 6 CND 17.11 | F.3543 | Farashin 316 | X5CrNiMo17 12 |
| 316l | 1.4404 | - | 316 S 12/13/14/22/24 | 2348 | Z 2 CND 17.13 | Saukewa: SUS316L | X2CrNiMo17 12 | |
| 316LN | 1.4429 | X2 CrNiMoN 18 13 | - | 2375 | Z 2 CND 17.13 | - | SUS 316 LN | - |
| 316l | 1.4435 | X2 CrNiMo 18 12 | 316 S 12/13/14/22/24 | 2353 | Z 2 CND 17.13 | - | Saukewa: SUS316L | X2CrNiMo17 12 |
| 316 | 1.4436 | - | 316 S33 | 2343 | Z6 CND18-12-03 | - | - | X8CrNiMo 17 13 |
| 317l | 1.4438 | X2 CrNiMo 18 16 | 317 S12 | 2367 | Z 2 CND 19.15 | - | Farashin 317L | X2CrNiMo18 16 |
| 329 | 1.4460 | X3 CrNiMoN 27 5 2 | - | 2324 | Z5 CND 27.05.Az | F.3309 | Farashin 329J1 | - |
| 321 | 1.4541 | X10 CrNiTi 18 9 | 321 S12 | 2337 | Z 6 CND 18.10 | F.3553 | Farashin 321 | X6CrNiTi18 11 |
| 347 | 1.4550 | X10 CrNiNb 18 9 | 347 S17 | 2338 | Z 6 CNNb 18.10 | F.3552 | Farashin 347 | X6CrNiNb18 11 |
| 316 Ti | 1.4571 | X10 CrNiMoTi 18 10 | 320 S17 | 2350 | Z 6 CNDT 17.12 | F.3535 | - | X6CrNiMoTi 17 12 |
| 309 | 1.4828 | X15 CrNiSi 20 12 | 309 S24 | - | Z 15 CNS 20.12 | - | SUH 309 | X16 CrNi 24 14 |
| 330 | 1.4864 | X12 NiCrSi 36 16 | - | - | Z 12 NCS 35.16 | - | SUH 330 | - |
1. Maganin Zafin Magani
Babban ƙayyadaddun bayani game da maganin zafi shine: dumama simintin gyare-gyare zuwa 950 ° C - 1175 ° C da sanya shi a cikin ruwa, mai ko iska bayan adana zafi don narkar da carbides gaba ɗaya a cikin bakin karfe don samun tsari guda ɗaya. Zaɓin zafin bayani ya dogara da abun ciki na carbon a cikin simintin ƙarfe. Mafi girman abun ciki na carbon, mafi girma da ingantaccen zafin jiki da ake buƙata.
Don rage bambance-bambancen zafin jiki tsakanin farfajiyar simintin ƙarfe da mahimmanci yayin aikin dumama, hanyar dumama hanyar maganin maganin austenitic bakin karfe ya kamata a yi preheated a cikin ƙananan zafin jiki sannan kuma da sauri mai zafi zuwa yanayin zafi. Ya kamata lokacin riƙewa ya ƙaru daidai yayin da kaurin bangon simintin ya ƙaru.
Matsakaicin sanyaya don maganin maganin zai iya zama ruwa, mai ko iska, wanda ruwa ne aka fi amfani dashi. Sanyaya iska ya dace kawai don simintin ƙarfe na bakin ciki.
Ƙididdiga na Maganin Maganin Ƙarfe na Cast Austenitic Bakin Karfe | |||
| Babban darajar China | Daidai Matsayin Waje | Magani Zazzabi / ℃ | Hardness / HBW |
| Saukewa: ZG03Cr18Ni10 | / | 1050-1100 | / |
| ZG0Cr18Ni9 | / | 1080-1130 | / |
| ZG1Cr18Ni9 | G-X15CrNi18 8 (Girman Jamus) | 1050-1100 | 140-190 |
| ZGCr18Ni9Ti | 950-1050 | 125-180 | |
| ZGCr18Ni9Mo2Ti | X18H9M2 (jin Rasha) | 1000-1050 | 140-190 |
| Saukewa: ZG1Cr18Ni12Mo2Ti | X18H12M2 (jin Rasha) | 1100-1150 | / |
| Saukewa: ZGCr18Ni11 | X18H11B (jin Rasha) | 1100-1150 | / |
| Saukewa: ZG03Cr18Ni10 | CF-3 (Amurka Grade) | 1040-1120 | / |
| Saukewa: ZG08Cr19Ni11Mo3 | CF-3M (Girman Amurka) | 1040-1120 | 150-170 |
| ZG08Cr19Ni9 | CF-8 (Amurka Grade) | 1040-1120 | 140-156 |
| ZG08Cr19Ni10Nb | CF-8C (Girman Amurka) | 1065 - 1120 (Tsaitawa a 870 - 900) | 149 |
| Saukewa: ZG07Cr19Ni10Mo3 | CF-8M (Girman Amurka) | 1065-1120 | 156-210 |
| Saukewa: ZG16Cr19Ni10 | CF-16F (Amurka Grade) | 1095-1150 | 150 |
| ZG2Cr19Ni9 | CF-20 (Amurka Grade) | 1095-1150 | 163 |
| Saukewa: ZGCr19Ni11Mo4 | CG-8M (Girman Amurka) | 1040-1120 | 176 |
| ZGCr24Ni13 | 1095-1150 | 190 | |
| Saukewa: ZG1Cr24Ni20Mo2Cu3 | 1100-1150 | / | |
| Saukewa: ZG2Cr15Ni20 | CK-20 (Amurka Daraja) | 1095-1175 | 144 |
| Saukewa: ZGCr20Ni29Mo3Cu3 | CH-7M (Mai Girman Amurka) | 1120 | 130 |
| Saukewa: ZG1Cr17Mn13N | 1100 | 223-235 | |
| Saukewa: ZG1Cr17Mn13Mo2Cun | 1100 | / | |
| Saukewa: ZG0Cr17Mn13Mo2Cun | 1100 | 223-248 | |
2. Kwanciyar hankali
Austenitic bakin karfe yana da kyakkyawan juriya na lalata bayan maganin maganin. Koyaya, lokacin da aka sake mai da simintin gyare-gyare zuwa 500°C-850°C ko kuma aikin simintin gyare-gyare a cikin wannan kewayon zafin jiki, chromium carbide zai sake yin hazo tare da iyakar hatsin austenite, yana haifar da lalata iyakokin hatsi ko tsagewar walda. Ana kiran wannan al'amari hankali. Domin inganta juriya na intergranular lalata irin wannan austenitic bakin karfe simintin gyaran kafa, ya zama dole don ƙara alloying abubuwa kamar titanium da niobium. Bayan maganin maganin, sake yin zafi zuwa 850 ° C - 930 ° C, sa'an nan kuma kwantar da sauri. Ta wannan hanyar, carbides na titanium da niobium an fara haɗe su daga austenite, ta haka ne ke hana hazo na chromium carbide da haɓaka juriya na lalata iyakokin hatsi na bakin karfe.
Lokacin aikawa: Agusta-18-2021