ASTM A662/A662M-12 PDF
ASTM A662 spetsifikatsiyasi qanday?
ASTM A662 po'lat plitasi past qotishma tarkibi uchun uglerodli po'lat plitalar sifatida tasniflanadi, bu spetsifikatsiya uchta sinfni, A, B va C sinflarini qamrab oladi.
GNEE Steel, asosan, past haroratli bosimli idishlar uchun qurilishda ishlatiladigan A662 Grade B / A662 GrB bosimli idish po'lat plitasini etkazib berishi mumkin.
ASTM A662 Kimyoviy tarkibi:
| Chelik darajasi | ASTM A662 Kimyoviy tarkibi Maks (%) | ||||
|---|---|---|---|---|---|
| C | Si | Mn | P | S | |
| A sinf | 0,17 | 0.13-0.45 | 0.84-1.46 | 0.035 | 0.035 |
| B sinf | 0,22 | 0.13-0.45 | 0.79-1.62 | 0.035 | 0.035 |
| C darajasi | 0,24 | 0.13-0.55 | 0.92-1.72 | 0.035 | 0.035 |
ASTM A662 mexanik xususiyatlari:
| Chelik darajasi | ASTM A662 Mexanik xususiyat | |||
|---|---|---|---|---|
| Qalinligi | Yo'l bering | Kuchlanish | Cho'zilish | |
| A sinf | mm | Min Mpa | Mpa | Min % |
| 6-50 | 275 | 400-540 | 23% | |
| 50-200 | 275 | 400-540 | 20% | |
| B sinf | 6-50 | 275 | 450-585 | 23% |
| 50-200 | 275 | 450-585 | 20% | |
| C darajasi | 6-50 | 295 | 480-620 | 22% |
| 50-200 | 295 | 480-620 | 18% | |
Astm a662ekvivalent diagramma
| ASTM | EN10028 | JIS | ISO |
|---|---|---|---|
| A662-A | - | G3115-SPV235G3126-SPV235 | - |
| A662-B | -2-P295GH | - | P290 |
| A662-C | - | G3115-SGV315 | P315 |
