1.309s heerka birta ah
astaanta u dhiganta ee Shiinaha waa 06Cr23Ni13;Amercia Standard S30908, AISI, ASTM;JIS G4305 heerka sus;Heerka Yurub 1.4833.
309s waxa ku jira sulfur goynta bilaashka ah birta aan lahayn, loo isticmaalo goynta ugu weyn ee bilaashka ah iyo xaaladaha dusha sare ee dhalaalaya/nadiif ah ee dalbanaya.
309 s waa kala duwanaanshiyaha maadada kaarboon yar ee 309 birta aan fiicnayn, alxanka ayaa lagu dabaqaa munaasabadda.Kaarboonka hooseeya waxaa lagu sameeyaa aagga kulaylka saameeya ee u dhow alxanka ee roobabka carbide ilaa ugu yaraan, waxaana laga yaabaa inay keento roobab daxal ah oo ah birta aan daxalka lahayn ee carbide ee meelaha qaarkood (nabaadguur alxanka).
2.309S Takhasuska
Waxay u adkeysan kartaa kuleyliyaha soo noqnoqda ee ka hooseeya 980 ℃, waxay leedahay xoog sare iyo iska caabin oksaydh, heerkul sare oo heerkul sare ah.
3.Kamida Kiimikada
| C | Si | Mn | P | S | Cr | Ni | Mo | Mid kale |
| ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | ≤22-24 | ≤12-15 | - | - |
4. Qalabka Jirka
1) Awood soo saarid/MPa:≥ 205
2) Xoog xajin/MPa ：≥515
3) Kordhinta/%：≥ 40
4) Dhimista Aagga/%:≥50
5.309S Codsiga
309s waa foornada loo isticmaalo alaabta.
309s waxaa si weyn loogu isticmaalaa kuleyliyaha, tamarta (awoodda nukliyeerka, awoodda kulaylka, unugga shidaalka), foornooyinka warshadaha, gubi, foornada kululaynta, kiimikada, petrochemical iyo meelaha kale ee muhiimka ah.
Waqtiga boostada: Agoosto-03-2023
