Side cover: QT 450-10, strength as follows: tensile strength ob (MPa): 2450 yield strength 00.2 (MPa): 2310 hardness: 160 ~ 210 hb. Roller: 45 # carbon steel or 40 Cr. Quenching of HRC25-30 and surface quenching of HRC 52-58....
1x Bottom Roller. Roller Specifications ：. Bolt, grade 12.9, HRC45-52. Surface Hardness: HRC52-58, Deepth:5mm-8mm. So we could help you solve the problem well. Material: 50 MnB Steel. We will do our best to solve your problem as soon as possible....
1x Bottom Roller. Roller Specifications：. Bolt, grade 12.9, HRC45-52. Surface Hardness: HRC52-58, Deepth:5mm-8mm. So we could help you solve the problem well. Material: 50 MnB Steel. We will do our best to solve your problem as soon as possible....
John Deere 27D. John Deere 26G. John Deere 26P. John Deere 30G. John Deere 30P Tier. John Deere 35D. John Deere 35G up to serial number 274466. John Deere 35P Tier....