Pibell Ddi-dor ASTM A53/A106
Mae pibell ddur carbon ASTM A53 yn gorchuddio pibell galfanedig di-dor, wedi'i weldio, du a phoeth.
| Safonol | BS 1387, BS EN 10297, BS 4568, BS EN10217, JIS G3457 |
| Gradd | 10#-45#, aloi Cr-Mo, 15NiCuMoNb5, 10Cr9Mo1VNb, A53-A369 |
| Diamedr allan | 21.3 - 610 mm |
| trwch wal | 2 - 50 mm |
| Siâp Adran | Rownd |
| Cais | Pibell Hylif |
| Triniaeth Wyneb | farneisio, cap, marcio |
| Ardystiad | API |
| Pibell Dur Carbon | ASTM A53/106/API 5L B |
| ST37/ST44 Pibell Dur Di-dor manwl | DIN 2448/2391/1629/17100 |
| DIN 2391/2448/1629, ST37/ST52 bibell ddur | ST37/ST52 |
| Pibell Dur Di-dor wedi'i Rolio Poeth | ASTM A 53/106/API 5L B |
| Tiwb Boeler Dur Di-dor Wedi'i Dynnu'n Oer | ASTM A106/DIN 17175/2448 |
| Pibell Dur Di-dor Carbon | ASTM A53/106/API 5L B |
Mae pibell ddur carbon ASTM A53 yn gorchuddio pibell galfanedig di-dor, wedi'i weldio, du a phoeth.
ASTM A53 GRADD A&B
Mae'r fanyleb hon yn ymdrin â phibell ddur galfanedig ddu a dipio poeth di-dor wedi'i weldio mewn maint nominal 1/8”i 20 i mewn. Cynhwysol (3.18mm-660.4mm) gyda thrwch wal enwol (cyfartaledd).
ASTM A106 GRADDAU A, B & C
Mae'r fanyleb hon yn cynnwys pibell ddur carbon di-dor ar gyfer gwasanaeth tymheredd uchel mewn maint nominal 1/8 i mewn. I 26 i mewn. Cynhwysol (3.18mm-660.4mm) gyda thrwch wal enwol (cyfartaledd).
Carbon Gradd A 0.25% ar y mwyaf.Manganîs 0.27 i 0.93%
Gradd B Carbon 0.30% ar y mwyaf.Manganîs 0.29 i 1.06%
Gradd C Carbon 0.35% max.Manganîs 0.29 i 1.06%
Mae gan bob gradd yr un gwerthoedd ar gyfer Sylffwr 0.058% ar y mwyaf.Ffosfforws 0.048% ar y mwyaf.Silicon 0.20% min.
Cyfansoddiad Cemegol (%):
| Safonol | Gradd | C | Si | Mn | P | S | Ni | Cr | Cu | Mo | V |
| ASTM A53M | A | =0.25 | - | =0.95 | =0.05 | =0.045 | =0.40 | =0.40 | =0.40 | =0.15 | =0.08 |
| B | =0.30 | - | =1.2 | =0.05 | =0.045 | =0.40 | =0.40 | =0.40 | =0.15 | =0.08 |
Priodweddau Mecanyddol:
| Safonol | Gradd | Cryfder tynnol (Mpa) | Cryfder cynnyrch (Mpa) | elongation (%) | |
| ASTM A53M | A | =330 | =205 | Gweler tabl 3 ASTM A53 | |
| Safonol | Gradd | C | Si | Mn | P | S | Ni | Cr | Cu | Mo | V |
| ASTMA106M | A | =0.25 | =0.10 | 0.27-0.93 | =0.035 | =0.035 | =0.40 | =0.40 | =0.40 | =0.15 | =0.08 |
| B | =0.30 | =0.10 | 0.29-1.06 | =0.035 | =0.035 | =0.40 | =0.40 | =0.40 | =0.15 | =0.08 | |
| C | =0.35 | =0.10 | 0.29-1.06 | =0.035 | =0.035 | =0.40 | =0.40 | =0.40 | =0.15 | =0.08 |
Priodweddau Mecanyddol:
| Safonol | Gradd | Cryfder tynnol (Mpa) | Cryfder cynnyrch (Mpa) | elongation (%) |
| ASTM A106M | A | =330 | =205 | Gweler tabl 4 ASTM A106 |
| B | =415 | =240 | ||
| C | =485 | =275 |
farneisio, cap, marcio






