... Rod Material: N4 N6 N200 N201 Standard AISI , JIS , ER , GB , ASTM , etc.Grade ASTM / ASME SB 160 UNS 2200 ( NICKEL ... equipmentChemical compositionaccording to international standards of ASTM , AISI , JIS , ER , GB ,etc. nickel rod usd on the chemical industry equipment