Forged and Machined Steel Cold Roll with Precision Machining, Large Forging Shaft, Free Forging Shaft, 34CrNiMo6 Q+T UT acc. SEP 1921 - 3C/c Material34CrNiMo6 Q+T UST acc.SEP1921-3C/c,C35 Q+T UT acc.EN10228-3,class 2, H13, alloy steel, carbon steel and stainless steelWeight Range2 to 20,000kg, Custom designDimensions1 to 20m or..