... Carbon steel Size: 20-800mm Process:hot-rolled/forged/cold-drawn Shape:square/round Round bar Material: ... SAE4130,SAE9840,SAE4340,AISI4145H,SAE4150,SAE8620,European Standard:42CrMo4,25CrMo4,34CrNiMo6,39CrNiMo3,17NiCrMo6,18CrNiMo7-6,S355J2G3,ASTM ... 2714,H13,H11,P20,SKD61;Delivery condtion:Hot forged+Normalzied+Rough Machined.Size:Dia90mm- Dia800mm.Steel ... 2.0%+0.8%, -1.8% 2013 High Quality Round bar