... .Competitive price 4.On-time deliver1.2379 / D2 / Cr12Mo1V1 / SKD11 / XW-41 Special SteelHigh Strength Toughness, Wearable, High Chromium Steel 1 ... materials: 1. 2379(DIN), D2(ASTM), SKD11(JIS),Cr12Mo1V1(GB), XW-415.Our product specification :Round bars Dia30mm-500mm Length ≤6000mm ...