... usecapacity: 1- 250tstrength grade: M, P, S, T, V gradeMaterials:M grade with DG20, or DG20MnP grade with DG20MnS grade with DG34CrMoT grade below 40t with ... DG34CrMo, more than 40t with DG34CrNiMo or DG30Cr2Ni2MoV grade below 40t with DG34CrNiMo or DG30Cr2Ni2Mo, more than 40t with ...