... H/G8620 aisi 8620 forged alloy steel bar With Black/Turned/GrindedDescription:8620 is a low nickel - chromium - molybdenum medium hardenability ... : Dia 80 mm -1200mmSURFACE FINISHES:Black, Peeled (K12), Cold Drawn, Turned & Polished (H10, H11), Precision Ground (H9, H8)Test: Ultrasonic test ... ) is painted aisi 8620 forged alloy steel bar With Black/Turned/Grinded