Features:Process: wax injectionOverview Color: yellowBrands:Guannan and XinyateMachine:komatsuWeight: 3.1KGDescription:Composition: Alloy steelElements inside:C;, Si, Mn, Cr, Nb, Re, Mo, Ni.Tensile Strength σbMpa Range: 1000---2000Elongation Σ: ≥4%HRC: 30-53Impact akv:≥16JCredit...