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
                 





