A2-60, A2-70, A2-80 Austenitic alagbara, irin yika ifi ati ọpá hexagonal
A1, A2, A4 duro 302, 304, 316; 45, 50, 60, 70, 80 duro fun 1/10 ti agbara fifẹ ti o kere ju ti awọn ohun elo. A4 jẹ irin alagbara austenitic, ti o dagbasoke fun sise sulfuric acid, Nitorinaa, orukọ naa jẹ irin-sooro acid, eyiti o jẹ ti irin-sooro acid metastable, ni igbagbogbo fun SUS316.
A duro “austenite”, 2 duro fun ohun elo keji (ni otitọ, 2 tọka si 304), ati -70 duro fun ipele agbara jẹ 700 MPa. Awọn ohun elo ti o wọpọ jẹ A2 ati A4, eyiti o jẹ 304 ati 316 ni atele, ṣugbọn niwọn igba ti awọn ẹrọ ẹrọ le ṣe iṣeduro Iṣeṣe, akopọ kemikali le wọle ati jade. Awọn ipele ti o wọpọ ni:
A2-60
A2-70
A2-80
A4-70
A4-80
A4-90
A1, A2, A4 duro 302, 304, 316; 45, 50, 60, 70, 80 duro fun 1/10 ti agbara fifẹ to kere julọ ti ohun elo.
A4 jẹ irin alagbara austenitic ti a ṣe idagbasoke fun sise imi-ọjọ sulfuric. Nitorinaa, irin-sooro acid ni orukọ bi irin-sooro acid metastable, ni igbagbogbo SUS316. 70 ati 80 ti o wa lẹhin A4-70 ati A4-80 ṣe aṣoju 1/10 ti agbara fifẹ to kere julọ ti fastener. A4-70 ati A4-80 ko yatọ si ohun elo funrararẹ. Niwon ti won waaustenitic alagbara, irin bar, wọn ko le ṣe itọju nipasẹ itọju ooru. Awọn ọna lati mu ilọsiwaju agbara fifẹ, ilosoke ninu agbara fifẹ jẹ nipasẹ abuku ti idena dislocation (eyiti a mọ ni lile lile), awọn boluti A4-70 lori ọja ju kaakiri, A4-80 toje.
Akoko ifiweranṣẹ: Jun-05-2018