Xaashida Birta Aan Daxalka Ahayn AISI 304
Sifooyinka Kiimikada
Saxanka birta ah ee 304 waa bir aan miridh lahayn oo austenitic ah oo inta badan ka kooban 18% chromium (Cr) iyo 8% nickel (Ni), taasoo bixisa iska caabin aad u fiican oo daxalka ah, qaab-dhismeed, iyo alxan. Halabuurka kiimikada ee caadiga ah waxaa ka mid ah:
Walax Halabuurka (%)
Chromium (Cr) 18.0 – 20.0
Nikkel (Ni) 8.0 – 10.5
Kaarboon (C) ≤0.08
Manganese (Mn) ≤2.0
Silikoon (Si) ≤1.0
Fosfooraska (P) ≤0.045
Sulfur (S) ≤0.03
Bir (Fe) Dheelitirnaan
Codsiyada
Iyada oo ay ugu wacan tahay adkeysigeeda iyo iska caabbinta oksaydhka, saxanka birta ah ee 304 ee aan miridhku lahayn ayaa si ballaaran loogu isticmaalaa:
Warshadaha Cuntada iyo Cabitaanka (taangiyada farsamaynta, suunka gudbiyaha)
Qalabka Kiimikada iyo Daawooyinka (taangiyada kaydinta, fal-galayaasha)
Naqshadeynta & Dhismaha (looxyada wiishka, dahaarka)
Qalabka Caafimaadka iyo Shaybaarka (saxannada jeermiska lagu nadiifiyo, qalabka qalliinka)
Gawaarida & Hawada Sare (qaybaha dhismaha, nidaamyada qiiqa)
Qalabka Guriga iyo Jikada (miisaska, saxanka)
Tilmaamaha
304 saxan oo bir ah oo aan daxal lahayn ayaa laga heli karaa cabbirro kala duwan, dhumuc, iyo dhammaystir dusha sare ah:
Kala duwanaanshaha dhumucda: 0.1mm ilaa 100mm (dhumucda warshadaha caadiga ah: 0.5mm - 50mm)
Ballaca: 1000mm, 1219mm, 1500mm (caadi), ama cabbirro gaar ah
Dhererka: 2000mm, 2438mm, 3000mm, ama dherer gaar ah
Dhammaystirka Dusha Sare:
2B: Si siman, oo wax yar ka tarjumaya (ugu badan)
BA (Bright Annealed): Aad u milicsan, oo u eg muraayad
Lambarka 4 (La Cadeeyay): Dhammaadka matte-ka ah oo leh xariiqyo hadhuudh oo la arki karo
Lambarka 8 (Muraayadda): Loo sifeeyay si aad u dhalaal badan
Heerarka Guud:
ASTM A240 (Qeexitaanka caadiga ah ee saxanka birta aan lahayn ee chromium iyo chromium-nickel)
EN 1.4301 (European u dhiganta 304)
JIS SUS304 (Heerka Jabbaan)
GB/T 3280 (Heerka Shiinaha)
Saxanka birta ah ee aan daxalka lahayn ee 304 ayaa si weyn loogu door bidaa kharash-oolnimada, iska caabbinta daxalka, iyo kala duwanaanshaheeda warshadaha iyo codsiyada ganacsiga.
















