Estanda ASTM A285 la aplike pou asye kabòn, plak asye ki ba ak mwayen rupture pou veso presyon fizyon -soude.
Plak asye anba ASTM A285 yo klase nan twa klas, A, B, ak C, ak ASTM A285 Klas C ki pi souvan itilize.
Konpozisyon chimik ASTM A285:
| ASTM A285 konpozisyon chimik | Klas A | Klas B | Klas C |
|---|---|---|---|
| Kabòn, max | 0.17 | 0.22 | 0.28 |
| Manganèz, max | 0.90 | 0.90 | 0.90 |
| Fosfò, max | 0.035 | 0.035 | 0.035 |
| Souf, max | 0.035 | 0.035 | 0.035 |
Konpozisyon chimik ASTM A283:
| ASTM A283 Eleman chimik (max) | Analiz Chalè, % | |
|---|---|---|
| Klas C | Klas D | |
| Kabòn | 0.24 | 0.27 |
| Manganèz | 0.90 | 0.90 |
| Fosfò | 0.030 | 0.30 |
| Souf | 0.030 | 0.030 |
| Silisyòm | ||
| Plak 11⁄2 pous [40 mm] ak anba, max | 0.40 | 0.40 |
| Plak plis pase 11⁄2 pous [40 mm] | 0.15-0.40 | 0.15-0.40 |
| Kwiv | 0.20 | 0.20 |
