Gear for industry Material: carbon steel as C45, 20CrMnTi, 40Cr, 42CrMo, stainless steel, nylon Material: carbon steel as C45, 20CrMnTi, 40Cr, 42CrMo, stainless steel, nylonType:35B10-80,40B9-90,50B9-90,60B9-90,80B9-90,100B9-90,120B9-80,140B10-60,160B10-60;06B10-125,08B9-125,10B9-125,12B9-125,16B9-125,20B9-114,24B9-90,28B9-76,32B9-76Heat Treatment: Hardening and Tempering, High Frequency ...