According to ISO 606 (ANSI B29.1) - Turkey
From ASA 25-1 to ASA 240 -4, single-double, triple/quad roller chains, heavy and extra heavy versions, heavy duty-H, ext. heavy duty-HV series, nickel plated-NP, zınk plated-ZP, zink-alum plated ZAP, stainless steel-CF, and straight side plate-GL series.