Disgrifiad
meintiau:
| math | Ystod Diamedr Allan | Ystod Trwch Wal | Ystod Hyd |
| Pibell Sgwâr | 20mm * 20mm --- 1200mm * 1200mm | 1.5mm---50mm | 1m---35m |
| Pibell hirsgwar | 20mm * 10mm --- 1500mm * 1000mm | 1.5mm---50mm | 1m---35m |
| Pibell Gylchol | 1/2 modfedd --- 24 modfedd | SCH 10 20 40 80 | 1m---18m |
Pacio:Pibell ddur ASTM A53 GR.B ERW wedi'i phacio mewn blychau pren, bagiau plastig, stribedi dur wedi'u bwndelu, neu yn unol â Cheisiadau Cwsmeriaid
Gorffeniadau:Moel, Olew, Farnais Melin, Galfanedig, FBE, FBE Deuol, 3LPE, 3LPP, Tar Glo, Cotio Concrit a Lapiad Tâp. Gorffeniadau Diwedd: Beveled, Sgwâr Torri, Edau & Cyplysu.
Ceisiadau:Yn addas ar gyfer Cludo nwy, dŵr, olew, a strwythur media.steel hylifedig arall.
AMST A53 GR.BCemegolPriodweddau a Mecanyddol
|
Math S (di-dor) |
Math E (gwrthiant trydan-wedi'i weldio) |
Math F (ffwrnais- pibell wedi'i weldio) |
|||
|
|
Gradd A |
Gradd B |
Gradd A |
Gradd B |
Gradd A |
|
Carbon max. % |
0.25 |
0.30 |
0.25 |
0.30 |
0.3 |
|
Manganîs % |
0.95 |
1.2 |
0.95 |
1.2 |
1.2 |
|
Ffosfforws, uchafswm. % |
0.05 |
0.05 |
0.05 |
0.05 |
0.05 |
|
Sylffwr, uchafswm. % |
0.045 |
0.045 |
0.045 |
0.045 |
0.045 |
|
Copr, uchafswm.% |
0.40 |
0.40 |
0.40 |
0.40 |
0.4 |
|
Nicel, max. % |
0.40 |
0.40 |
0.40 |
0.40 |
0.4 |
|
Cromiwm, uchafswm. % |
0.40 |
0.40 |
0.40 |
0.40 |
0.4 |
|
Molybdenwm, uchafswm. % |
0.15 |
0.15 |
0.15 |
0.15 |
0.15 |
|
Fanadiwm, uchafswm. % |
0.08 |
0.08 |
0.08 |
0.08 |
|
|
|
Gwrthiant-di-dor a thrydan-weldio |
Parhaus-Wedi'i Weldio |
|
|
|
Gradd A |
Gradd B |
|
|
Cryfder Tynnol, min., psi |
48,000 |
60,000 |
45,000 |
|
Yield Nerth, min., psi |
30,000 |
35,000 |
25,000 |
Tagiau poblogaidd: astm a53 gr.b erw bibell ddur, Tsieina astm a53 gr.b erw bibell dur gweithgynhyrchwyr, cyflenwyr, ffatri
