ASTM A572 jẹ irin alagbara-kekere alloy (HSLA) pẹlu akoonu alloy ti columbium ati vanadium, eyiti o mu irin naa lagbara ati pese agbara aaye ikore ti o ga ju ASTM A36. Ikanni irin A572 HSLA jẹ apẹrẹ fun awọn ohun elo nibiti o nilo agbara giga fun o dinku sisanra ati iwuwo.
A572 irin ikanni - UPN mefa
Awọn apakan irin ASTM A572 ni awọn onipò mẹta - Ite 42, 50 ati 55. O le wa akoonu kemikali kan pato & awọn ohun-ini ẹrọ ni awọn tabili ni isalẹ.
Apejuwe ọja:
| Nkan | Ipele | Erogba, o pọju,% | Manganese, o pọju,% | Silikoni, o pọju,% | Fọsifọọsi, o pọju,% | Efin, o pọju,% |
| A572 irin igun | 42 | 0.21 | 1.35 | 0.40 | 0.04 | 0.05 |
| 50 | 0.23 | 1.35 | 0.40 | 0.04 | 0.05 | |
| 55 | 0.25 | 1.35 | 0.40 | 0.04 | 0.05 |
| Nkan | Ipele | Aaye ikore, min, ksi [MPa] | Agbara fifẹ, min, ksi [MPa] |
| A572 irin igun | 42 | 42 290] | 60 [415] |
| 50 | 50 [345] | 65 [450] | |
| 55 | 55 [380] | 70 [485] |
| Nkan | Ijinle (mm) | Ìbú Flange (mm) | Sisan wẹẹbu (mm) | Sisanra Flange (mm) | Ìwọ̀n (kg/m) |
| UPN80 | 80 | 45 | 6 | 8 | 8.64 |
| UPN100 | 100 | 50 | 6 | 8.5 | 10.6 |
| UPN120 | 120 | 55 | 7 | 9 | 13.4 |
| UPN140 | 140 | 60 | 7 | 10 | 16 |
| UPN160 | 160 | 65 | 7.5 | 10.5 | 18.8 |
| UPN180 | 180 | 70 | 8 | 11 | 22 |
| UPN200 | 200 | 75 | 8.5 | 11.5 | 25.3 |
| Nkan | Ijinle (mm) | Ìbú Flange (mm) | Sisan wẹẹbu (mm) | Sisanra Flange (mm) | Ìwọ̀n (kg/m) |
| UPE80 | 80 | 40 | 4.5 | 7.4 | 7.05 |
| UPE100 | 100 | 46 | 4.5 | 7.6 | 8.59 |
| UPE120 | 120 | 52 | 4.8 | 7.8 | 10.4 |
| UPE140 | 140 | 58 | 4.9 | 8.1 | 12.3 |
| UPE160 | 160 | 64 | 5 | 8.4 | 14.2 |
| UPE180 | 180 | 70 | 5.1 | 8.7 | 16.3 |
| UPE200 | 200 | 76 | 5.2 | 9 | 18.4 |
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