... :bright , black , pickeled & bright . 3.Length: 6000mm 4.Certification:ISO9001:2000 SGS Nickel Bar, Nicke Rod Material: N4 ... . Bright round bar1). Cold draw bright bar: Dia. 4--50mm2). Polishing bar. Dia. 50--100mm3. Steel round bar1 ... Dia. 90-200mm3). Cold drw bright bar: Dia. 4-50mmPayment terms W/U , T/T Delivery time7-15 ... AISI , JIS , ER , GB ,etc. nickel rod usd on the chemical industry equipment