Hot Cheap Mini Excavator For Sale Hydraulic Crawler Digger
* Product Application
Committed to the production of construction machinery pin, the main parts used in the excavator are the connecting pin between the back end of the boom and the platform, the connecting pin between the platform and the cylinder, the connecting pin between the middle end of the boom and the cylinder, the connecting pin between the upper ear plate and the cylinder, etc, the application parts are shown below
* Specifications
Product specifications and technical requirements (excerpt) refer to the following table, can also meet the customer non-standard customization.
Material |
Diameter range |
length range /mm |
Tempering requirement |
Induction hardening requirement |
|||
Mechanical Property |
Hardness |
Surface hardness |
Layer depth |
||||
Tensile Strength |
Yield Strength |
||||||
N/mm2 |
N/mm2 |
HB |
HRC |
mm |
|||
45 |
45-185 |
103-1373 |
≥690 |
≥490 |
201-269 |
49-59 |
2 above |
40Cr |
45-155 |
118-1288 |
≥930 |
≥785 |
235-280 |
52-60 |
3-5 |
42CrMo |
45-160 |
128-1325 |
≥980 |
≥830 |
248-293 |
52-60 |
3-5 |
Remark:The tempering requirements are mechanical properties or hardness, which can not be met at the same time. |
*Service & Advantage
According to the special requirements of customers, the current surface treatment methods are:
1.Hard chrome plating,NSS method in ISO 9227 (GB/T 10125) is adopted to meet the requirements of 72 hours salt spray test.
2.Zinc plating, yellow zinc salt spray test requirements≥96 hours in accordance with ATM B633 standard.
3.MAGNI 565 treatment,salt spray test reach 480 hours.
*Our Factory
We are committed to intelligent automatic production lines, welding robot production lines, laser cutting machines, implementing digital lean management models, mastering core innovation technologies, and with multiple invention patents and practical program model patents to ensure that the level of technical capabilities is always at the forefront of the industry at the forefront of the industry.