| Ansawdd | GB/T 11253-2007 GB/T 5213-2001 | JIS G3141-2005 JIS G3101-2004 | EN 10130-2006 EN 10139-1998 DIN 1623-1986 | ASTM A1008 / A1008M-05 |
| Dur Masnachol | Q195 | SPCC(T) | DC01/ ST12 | CS MATH A/B/C |
| Darlunio Dur | SC1 SC2 SC3 | SPCD | DC03/ ST13 | DS MATH A/B |
| Dur Darlunio Dwfn | SPCE | DC04/ ST14 | DDS |
Y mwyaf a ddefnyddir yn eang yw'r felin pedwar-uchel. Mae angen melin aml-rhol i rolio cynhyrchion teneuach. Mae yna lawer o fathau o felinau rholio aml-uchel, megis melinau rholio chwe-uchel, melinau rholio wyth-uchel rhannol, melinau rholio deuddeg-uchel, melinau rholio ugain uchel, ac ati (gweler melinau rholio).
| Gwneuthurwr | Trwch | Lled | Hyd y plât | Diamedr mewnol y coil |
| 0.3-2.5mm | 1000-1500mm | 1000-6000mmDC01/ ST12 | 508mm/610mmCS MATH A/B/C | |
| Ffatrïoedd preifat | 0.14-0.9mm | 50/610/762/914mm |
| Croesdoriad rholio oer | Trwch plât | Lled plât | Hyd prosesu | Goddefgarwch croeslin | Cywirdeb dimensiwn | Pwysau coil a ganiateir |
| 0.2-0.6 | 90-1800 | 200-6000 | ±0.5/2000 | ±0.3/2000 | 20 | |
| 0.6-1.0 | 90-1800 | 200-6000 | ±0.5/2000 | ±0.5/2000 | 25 | |
| 1.0-2.0 | 90-1800 | 200-6000 | ±1/2000 | ±0.8/2000 | 35 | |
| 2.0-4.0 | 150-1800 | 200-12000 | ±1/2000 | ±0.8/2000 | 35 | |
| 4.0-6.0 | 200-2000 | 400-12000 | ±1.5/2000 | ±1.0/2000 | 35 | |
| Hollti rholio oer | Trwch plât | Lled plât | Nifer y stribedi hollti | lleiafswm | trachywiredd ar gyfer lled stribed | Pwysau coil a ganiateir |
| 0.15-0.4 | 200-1800 | 50 | 10 | ±0.03 | 20 | |
| 0.4-1.0 | 200-1800 | 45 | 15 | ±0.03 | 25 | |
| 1.0-1.5 | 200-1800 | 40 | 20 | ±0.03 | 25 | |
| 1.5-2.5 | 200-1800 | 30 | 30 | ±0.1 | 35 | |
| 2.5-6.0 | 600-1800 | 25 | 30 | ±0.1 | 35 |



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