... shaft size:180-1000mm Length:10m max MOQ:20T Heating and turned Alloy steel 42CRMO4 Forging shaft with bright surfaceUsed for gears ... ,transmission shaft,crankshaft,eccentrial shaft,connecting rod and so on. 1, ... various materials,such as:carbon steel ,alloy steel ,spring steel,mould steel,bearing steel and so on,the size is from 16 ...