Connecting pin in hydraulic excavators

Short Description:

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

Send email to us

Product Detail

Product Tags

* Product Application

Best-Selling Excavator Excavator For Sale Hydraulic Crawler Digger

* Specifications

Product specifications and technical requirements (excerpt) refer to the following table, can also meet the customer non-standard customization.

Material	Diameter range /mm	length range /mm	Tempering requirement			Induction hardening requirement
			Mechanical Property		Hardness	Surface hardness	Layer depth
			Tensile Strength б_b	Yield Strength б_s	Hardness	Surface hardness	Layer depth
			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.