High strength steel 7.5t excavator standard boom

  Overview 7.5-ton machine arm. Made of manganese steel with thickening, fully welded, post-weld heat treatment is carried out to relieve stress, very sturdy. Six-link mechanism + hydraulic adaptive system, powerful, no impact during unloading, stable. Can be used for earthwork, site clearance, land leveling, hard soil breaking, etc. Can be equipped with bulldozers, grabs, drilling machines, dredging equipment, etc. The sealing at the hinge joint has been upgraded, dustproof and waterproof. Not afraid of muddy ground, dust, cold or hot weather. Suitable for medium and small-scale projects.   Key Features of Guo Run's Boom for Excavators   Resistant The thickened high-strength steel has a higher rated load and digging torque than the standard 6-ton boom. The efficiency can be increased by over 20%, and it can handle heavy earthwork and hard soil. Resilient Welded reinforcement + heat treatment to relieve stress, less prone to deformation and cracking. The hinge points have less wear…

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