Hot  best  China Sale Flexible A type steel agricultural chains A550/A555/A557/A620 for Various Uses

Detail Information

No. A550/A555/A557/A620 Dimensions

A Type Steel Agriculture Chains Specifications

ISO 9001, ISO/TS 16949 and AS9100 certified. Manufacturer of standard and custom roller chains for use in a wide range of applications. Roller chains are available in single-pitch, double-pitch and precision varieties. Meets or exceed ANSI standards.

Chain No. Pitch(mm) Roller diameter(mm) Width between inner plates(mm) Pin diameter(mm) Pin lengthL max
Pin lengthLc max
 Plate dimension h2 max(mm)  Plate dimension T max(mm) Tensile strengthkN/lbf Average tensile strengthkN Weight per meter(kg/m)
A550 41.40 16.87 19.81 7.19 35.0 38.0 19.3 2.80 39.10/8886 51.2 1.79
A555 41.40 16.87 12.70 7.19 29.1 32.0 19.3 3.10 39.10/8886 56.0 1.60
A557 41.40 17.78 20.24 8.00 37.4 40.6 23.1 3.10 55.61/12639 74.3 2.45
A620 42.01 17.97 24.51 7.19 41.8 45.2 20.2 3.25 39.10/8886 55.1 2.18

Product Information

The products are made of high quality alloy
steel production. The plates are punched and squeezed bores by precision
technology. The pin, bush, roller are machined by high-efficiency automatic
equipment and automatic grinding equipment, theEPG has set up a complete set of quality management system which is provided with advanced inspection and test equipment. n through heat treatment of carburization,
carbon and nitrogen protection mesh belt furnace, surface blasting process etc.
Made from the steel and the up-to-date skills as well as precision procedures, the flexible A
 type steel agricultural chains  can withstand strong pressure and high temperature.


* Standard chains

* Customized chains


Quality Assurance:

ISO9001: 2015 and
GB/T24001-2016 / ISO14001: 2015.


High quality

√Corrosion resistance

√Durable, Robust and

√Bad condition

√Lower weight–high


√Surface treatment

√Hardened teeth

√Serious quality control


Application industries:


√Building Material
√Oil and Gas

√Technology and Science