ASTM A213 vs . ASTM A249 Echanjeur Chalè Tib: Tolerans
May 27, 2025
Kite yon mesaj
Lè w ap chwazi tib asye pur pou echanjeur chalè, tolerans dimansyon jwe yon wòl kritik nan pèfòmans sistèm, soudabilite, ak anfòm-up . De nan estanda ki pi souvan espesifye ASTM yo ASTM A213 ak ASTM A 249. kontwòl .
ASTM A213 vs . ASTM A249 Echanjeur Chalè Tib
| Spesifikasyon | ASTM A213 | ASTM A249 |
|---|---|---|
| Kalite tib | San pwoblèm oswa soude (frèt-trase) | Soude (ak frèt-travay si espesifye) |
| Aplikasyon | Chodyè, superheaters, echanjeur chalè | Echanjeur chalè, kondansateur, tib chofaj |
| Sere tolerans | Pi sere (sitou pou OD ak miray) | Mwens strik, pi fleksib |
| Pwosesis Faktori | Presizyon desen frèt | Otomatik soude + travay frèt |
| Klas tipik | TP304, Tp316, Tp321, Tp347 | TP304, Tp316, TP304L, Tp316L |
ASTM A213 vs . ASTM A249 Echanjeur Chalè Tib: Tolerans
| Spesifikasyon | Gwosè OD ranje pous | Tolerans | |||
|---|---|---|---|---|---|
| O.D. | Mi | ||||
| Plis | Mwens | Plis | Mwens | ||
| ASTM-A -249 | Anba 1.000 | .004" | .004" | 10% | l0% |
| Asme-sa -249 | 1.000 a 1.500 | .006" | .006" | 10% | 10% |
| Soude & frèt te travay | 1.501 a 1.999 | .008" | .008" | l0% | 10% |
| Tib echanjeur chalè | 2.000 a 2.499 | .010" | .010" | 10% | 10% |
| Mwayèn miray | 2.500 a 2.999 | .012" | .012" | 10% | 10% |
| (Gade nòt 1) | 3.000 a 4.000 | .015" | .015" | 10% | 10% |
| 4.001 a 5.000 | .015" | .025" | 10% | 10% | |
| ASTM-A -213 | Anba 1.000 | .004" | .004" | 20% | 0% |
| Asme-sa -213 | 1.000 a 1.500 | .006" | .005" | 20% | 0% |
| Fwad fini san pwoblèm | 1.501 a 1.999 | .008" | .008" | 22% | 0% |
| Tib echanjeur chalè | 2.000 a 2.499 | .010" | .010" | 22% | 0% |
| Mi minimòm | 2.500 a 2.999 | .012" | .012" | 22% | 0% |
| (Gade nòt 2 & 3) | 3.000 a 4.000 | .015" | .015" | 22% | 0% |
| 4.001 a 5.000 | .015" | .025" | 22% | 0% | |
|
Nòt (1) disponib tou nan minimòm miray + 18/-0% . (2) Disponib tou nan miray mwayèn ± 10% (3) disponib tou cho fini, gade spesifikasyon pou tolerans .} |
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