... 25Mnv, 20Mn2, Q235 2.Finish: blackened, zinc-plated, HDG 3.Size: 4mm-32mm alloy steel chains Introduction:We are specialized in ... Standard (EN818), AS/NZS StandardWorking procedures of Grade 80 Alloy Steel Chains:1. Receive the purchase order 2. Product ... run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Grade 80 Alloy Steel Chains With Zinc Plated/Black Oxide