Kawaida: DIN, ANSI/ASME, JIS, EN, BS, AS/NZS, ISO, GB, NON-SANDARD
Nyenzo: Chuma cha Carbon, SS304/316
Daraja: 4.6/4.8/5.6/5.8/6.8/8.8/10.9/12.9, 307/2/5/8, A2/A4
Maliza: Dharura, Nyeusi, Zinki, HDD, Zinki Mitambo, Sherardizing, Dacromet, Xylan/Teflon