High reputation machinery attachments - Connecting pin in hydraulic excavators – Lanli
High reputation machinery attachments - Connecting pin in hydraulic excavators – Lanli Detail:
* 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.
4)Electrophoresis,salt spray test reach 250 hours.
5)Special surface treatment can be customized.
*Our Factory
L ANLI was founded in 1987, has become the most competitive enterprise with the highest potential in the domestic and foreign construction machinery industry. It has Hefei L ANLI
LANLI machinery Manufacturing Co., Ltd. LANLI is the professional construction machinery parts manufacturers, cooperating with Hitachi, Sumitomo, Volvo, JCB, XCMG, SDLG, Kangmingsi and other world-class customers, the main products are the pins, structural parts, etcs.LANLI will give you our best seivice and high quality products, common development with you is our ultimate target.
Product detail pictures:


Related Product Guide:
Persisting in High quality, Prompt Delivery, Aggressive Price, we have established long-term cooperation with clientele from both equally overseas and domestically and get new and old clients' higher comments for High reputation machinery attachments - Connecting pin in hydraulic excavators – Lanli , The product will supply to all over the world, such as: El Salvador, France, Greek, We honor ourselves as a company that comprises of a strong team of professionals who are innovative and well experienced in the international trading, business development and product advancement. Moreover, the company stays unique among its competitors due to its superior standard of quality in production, and its efficiency and flexibility in business support.

In general, we are satisfied with all aspects, cheap, high-quality, fast delivery and good procuct style, we will have follow-up cooperation!
