Farqiga udhaxeeya 316 iyo 316L Steel Ayaan-la'aanta ah
Farqiga udhaxeeya 316 iyo 316L birta daa'imka ah ayaa ah in 316L uu leeyahay .03 kaarboonka ugu badan oo uu ku fiican yahay alxanka halka 316 uu leeyahay heer dhexdhexaad ah oo kaarboon ah. Xalka adag ee aan magnetka ahayn ee carbide ferric ama kaarboon ee birta ku jirta habka wax soo saarka.
Marka laga soo tago chromium iyo nikkel, alwaaxyadani waxay ka kooban yihiin molybdenum, taas oo sidoo kale ka dhigaysa inay u adkaystaan daxalka. Xataa iska caabbinta daxalka weyn waxaa lagu bixiyaa 317L, kaas oo ka kooban molybdenum uu kordho 3 ilaa 4% laga bilaabo 2 ilaa 3% ee laga helay 316 iyo 316L.
Guryaha iyo Isticmaalka 316 iyo 316L Steel Ayaan-la'aanta ah
Alloys-yadan waxaa lagu yaqaanaa sifooyinkooda alxanka ee aadka u wanaagsan, oo ay ku biiraan hababka isku dhafka iyo iska caabinta labadaba. Nooca kaarboonka hooseeya ee 316L ayaa lagu door bidaa deegaannada daxalka leh. Waxaa muhiim ah in la hubiyo in naxaasta iyo zinc aysan ku noqonin wasakh goobta alxanka, sababtoo ah tani waxay abuuri kartaa dildilaac. Waa wax caadi ah in la sameeyo 316 iyo 316L qaabab badan oo kala duwan. Waxa laga yaabaa in lagu sameeyo qalab la mid ah birta kaarboonka, oo si diyaar ah ayay maran yihiin oo loo daloola. Malleability heer sare ah waxay ka dhigan tahay inay si fiican u qabtaan sawir qoto dheer, miiqan, iskala bixin iyo foorarid.
Guryaha makaanikada
Nooca | UTS | Wax-soo-saarka | Dheeraynta | Adag | Nambarka DIN ee la barbardhigi karo | |
N/mm | N/mm | % | HRB | sameeyey | tuurid | |
304 | 600 | 210 | 60 | 80 | 1.4301 | 1.4308 |
304L | 530 | 200 | 50 | 70 | 1.4306 | 1.4552 |
316 | 560 | 210 | 60 | 78 | 1.4401 | 1.4408 |
316L | 530 | 200 | 50 | 75 | 1.4406 | 1.4581 |
AISI 316 (1.4401) |
AISI 316L (1.4404) |
AISI 316LN (1.4406) |
|
Cr (Chromium) |
16.5 - 18.5% |
16.5 - 18.5% |
16.5 - 18.5% |
Ni (Nickel) |
10 - 13 % |
10 - 13 % |
10 - 12.5% |
Mn (Manganese) |
<= 2% |
<= 2% |
<= 2% |
Mo (Molybdenum) |
2 - 2.5% |
2 - 2.5% |
2 - 2.5% |
Si (Silikon) |
<= 1% |
<= 1% |
<= 1% |
N (Nitrogen) |
0.11 % |
0.11 % |
0.12-0.22 % |
P (Phosphorus) |
0.045 % |
0.045 % |
0.045 % |
C (Kaarboon) |
<= 0.07% |
<= 0.03% |
<= 0.03% |
S (Sulfur) |
0.03 % |
0.02 % |
0.015 % |
Dhammaan birta, birta birta ah ee Austenitic waxay leedahay dhibcaha ugu hooseeya ee wax-soo-saarka. Sidaa darteed, tixgelinta sifooyinka farsamada, austenitic birta aan lahayn ma aha midka ugu fiican ee jirridda, sababtoo ah si loo hubiyo xoogaa xoog leh, dhexroorka asliga ayaa kordhin doona. Dhibicda wax-soo-saarka laguma hagaajin karo daawaynta kulaylka, laakiin waxa lagu hagaajin karaa samaynta qabowga.