Beth Yw'r Mathau o Ddeunyddiau Coil Dur Di-staen

304 stribed dur gwrthstaen, stribed dur gwrthstaen 304L, 303 stribed dur gwrthstaen, 302 stribed dur gwrthstaen, 301 stribed dur gwrthstaen, 430 dur gwrthstaen
Stribed haearn, 201 stribed dur di-staen, 202 stribed dur di-staen, 316 stribed dur di-staen, stribed dur di-staen 316L, stribed coil dur di-staen 304, stribed coil dur di-staen 304L, stribed coil dur di-staen 316, stribed coil dur di-staen 316L, ac ati.