For John Deere 27C 27ZTS 35C 35G 35D 35ZTS 27 ZTS. 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....
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....
For Caterpillar CAT 301. △ Top Roller. 3 x Bottom Roller. Yield strength σ0.2 (MPa):≥310. △ Sprocket. Roller, 45# carbon steel or 40Cr, quenched HRC25-30, surface quenched HRC52-58, hardened to a depth of 2-3mm....