Safonol of pibell di-dor dur carbon
| ASTM A53 Gr.B | Pibellau dur wedi'u gorchuddio â sinc du a phoeth wedi'u weldio ac yn ddi-dor | 
| ASTM A106 Gr.B | Dur carbon di-dor ar gyfer gwasanaeth tymheredd uchel | 
| ASTM SA179 | Cyfnewidydd gwres dur carbon isel di-dor wedi'i dynnu'n oer a thiwbiau cyddwysydd | 
| ASTM SA192 | Tiwbiau boeler dur carbon di-dor ar gyfer pwysedd uchel | 
| ASTM SA210 | Boeler carbon-canolig di-dor a thiwbiau gwresogyddion uwch | 
| ASTM A213 | Boeler aloi-dur di-dor, superheater, a thiwbiau cyfnewid gwres | 
| ASTM A333 GR.6 | pibell di-dor carbon a dur aloi wedi'i weldio y bwriedir ei ddefnyddio ar dymheredd isel. | 
| ASTM A335 P9, P11, T22, T91 | Pibell aloi-dur ferritig di-dor ar gyfer gwasanaeth tymheredd uchel | 
| ASTM A336 | Gofaniadau dur aloi ar gyfer rhannau pwysau a thymheredd uchel | 
| ASTM SA519 4140/4130 | Carbon di-dor ar gyfer tiwbiau mecanyddol | 
| Manyleb API 5CT J55/K55/N80/L80/P110/K55 | Pibell ddur di-dor ar gyfer casin | 
| Manyleb API 5L PSL1/PSL2 Gr.b, X42/46/52/56/65/70 | Pibell ddur di-dor ar gyfer pibell linell | 
| DIN 17175 | Tiwb dur di-dor ar gyfer tymheredd uchel | 
| DN2391 | Peipen rhagfynegi di-dor wedi'i thynnu'n oer | 
| DIN 1629 | Tiwbiau dur crwn di-dor heb eu aloi yn ddarostyngedig i ofynion arbennig | 
Gradd bibell di-dor dur carbon:
Cydrannau cemegol a phriodweddau mecanyddol
| Safonol | Gradd | Cydrannau Cemegol (%) | Priodweddau Mecanyddol | ||||||
| ASTM A53 | C | Si | Mn | P | S | Cryfder tynnol(Mpa) | Cryfder Cynnyrch (Mpa) | ||
| A | ≤0.25 | - | ≤0.95 | ≤0.05 | ≤0.06 | ≥330 | ≥205 | ||
| B | ≤0.30 | - | ≤1.2 | ≤0.05 | ≤0.06 | ≥415 | ≥240 | ||
| ASTM A106 | A | ≤0.30 | ≥0.10 | 0.29-1.06 | ≤0.035 | ≤0.035 | ≥415 | ≥240 | |
| B | ≤0.35 | ≥0.10 | 0.29-1.06 | ≤0.035 | ≤0.035 | ≥485 | ≥275 | ||
| ASTM SA179 | A179 | 0.06-0.18 | - | 0.27-0.63 | ≤0.035 | ≤0.035 | ≥325 | ≥180 | |
| ASTM SA192 | A192 | 0.06-0.18 | ≤0.25 | 0.27-0.63 | ≤0.035 | ≤0.035 | ≥325 | ≥180 | |
| API 5L PSL1 | A | 0.22 | - | 0.90 | 0.030 | 0.030 | ≥331 | ≥207 | |
| B | 0.28 | - | 1.20 | 0.030 | 0.030 | ≥414 | ≥241 | ||
| X42 | 0.28 | - | 1.30 | 0.030 | 0.030 | ≥414 | ≥290 | ||
| X46 | 0.28 | - | 1.40 | 0.030 | 0.030 | ≥434 | ≥317 | ||
| X52 | 0.28 | - | 1.40 | 0.030 | 0.030 | ≥455 | ≥359 | ||
| X56 | 0.28 | - | 1.40 | 0.030 | 0.030 | ≥490 | ≥386 | ||
| X60 | 0.28 | - | 1.40 | 0.030 | 0.030 | ≥517 | ≥448 | ||
| X65 | 0.28 | - | 1.40 | 0.030 | 0.030 | ≥531 | ≥448 | ||
| X70 | 0.28 | - | 1.40 | 0.030 | 0.030 | ≥565 | ≥483 | ||
| API 5L PSL2 | B | 0.24 | - | 1.20 | 0.025 | 0.015 | ≥414 | ≥241 | |
| X42 | 0.24 | - | 1.30 | 0.025 | 0.015 | ≥414 | ≥290 | ||
| X46 | 0.24 | - | 1.40 | 0.025 | 0.015 | ≥434 | ≥317 | ||
| X52 | 0.24 | - | 1.40 | 0.025 | 0.015 | ≥455 | ≥359 | ||
| X56 | 0.24 | - | 1.40 | 0.025 | 0.015 | ≥490 | ≥386 | ||
| X60 | 0.24 | - | 1.40 | 0.025 | 0.015 | ≥517 | ≥414 | ||
| X65 | 0.24 | - | 1.40 | 0.025 | 0.015 | ≥531 | ≥448 | ||
| X70 | 0.24 | - | 1.40 | 0.025 | 0.015 | ≥565 | ≥483 | ||
| X80 | 0.24 | - | 1.40 | 0.025 | 0.015 | ≥621 | ≥552 | ||
Dosbarthiad pibell di-dor dur carbon
| Mathau | Cais | 
| Dibenion Strwythur | Strwythur cyffredinol a mecanyddol | 
| Gwasanaethau Hylif | Cludo petrolewm, nwy a hylifau eraill | 
| Tiwb Boeler Pwysedd Isel a Chanolig | Gweithgynhyrchu ager a boeleri | 
| Gwasanaeth Piler Hydrolig | Cefnogaeth hydrolig | 
| Casin Lled-siafft Auto | Casin lled-siafft ceir | 
| Pibell Llinell | Cludo olew a nwy | 
| Tiwbio a Chasin | Cludo olew a nwy | 
| Pibellau Dril | Wel drilio | 
| Pibell Drilio Daearegol | Drilio daearegol | 
| Tiwbiau ffwrnais, tiwbiau cyfnewidwyr gwres | Tiwbiau ffwrnais, cyfnewidwyr gwres | 
Amser postio: Awst-23-2022
