A cikin wani muhimmin ci gaba,Sandunan bakin karfe 904Lsun fito a matsayin kayan da aka fi so a masana'antu masu yawan zafin jiki, suna kawo sauyi a yadda sassa daban-daban ke tafiyar da yanayin zafi mai tsanani. Tare da juriyar zafi da juriyar tsatsa, ƙarfe mai nauyin 904L ya kafa kansa a matsayin zaɓin da ake buƙata don amfani mai mahimmanci inda yanayin zafi mai yawa ke haifar da ƙalubale.
Shahararren ƙarfe mai ƙarfe 904L yana cikin keɓantaccen tsari da halayensa. Wannan ƙarfe yana da yawan sinadarin chromium na kashi 23-28%, tare da ƙarancin carbon da kuma yawan sinadarin nickel (kashi 19-23%). Waɗannan halaye suna ba da gudummawa ga ƙarfinsa mai ban mamaki na kiyaye daidaiton tsari da kuma tsayayya da iskar shaka ko da a cikin yanayin da zai iya haifar da mummunan lalacewa a wasu kayan.
Sandunan Bakin Karfe 904LMaki Mai Daidai
| MAS'ALA | WERKSTOFF NR. | UNS | JIS | BS | KS | AFNOR | EN |
| SS 904L | 1.4539 | N08904 | SUS 904L | 904S13 | STS 317J5L | Z2 NCDU 25-20 | X1NiCrMoCu25-20-5 |
Sinadarin Sinadarai
| Matsayi | C | Mn | Si | P | S | Cr | Mo | Ni | Cu |
| SS 904L | matsakaicin 0.020 | matsakaicin 2.00 | matsakaicin 1.00 | matsakaicin 0.040 | matsakaicin 0.030 | 19.00 – 23.00 | Matsakaicin 4.00 – 5.00 | 23.00 – 28.00 | 1.00 – 2.00 |
Kayayyakin injina
| Yawan yawa | Wurin narkewa | Ƙarfin Taurin Kai | Ƙarfin Yawa (ƙayyadadden kashi 0.2%) | Ƙarawa |
| 7.95 g/cm3 | 1350 °C (2460 °F) | Psi - 71000 , MPa - 490 | Psi - 32000 , MPa - 220 | Kashi 35% |
Lokacin Saƙo: Agusta-07-2023