Sunnforest is one of the professional manufacturer of discs for plough and harrow. We have a full-automatic disc blade production line in China. Sunnforest, is the only manufacturer of 28MNB5, 30MNB5, 38MNB5, 40MNB5 disc blade.We can yearly produce 600,000 pcs of 65Mn and 60Si2Mn plough disc, harrow disc and so on.
65Mn spring steel,boron steel,38MnB5,40MnB5
1.Harrow disc blade,plough disc blade,round disc blade,notched disc blade,flat disc blade.
2.Thickness from 3mm to 12mm all availible,and diameter from 254mm to 956mm generally,also accept OEM.
3.Round,notched,flat and so on,OEM welcomed depends on design drawings or samples.
4.Hardness,38-46HRC for 65Mn spring steel,and 48-50HRC for boron steel.c and so on.