* 80 grade, high intensity chain, the breaking load >800MPa
* According to national standard JB/T8108.1-1999
* Material: high quality mild alloy steel.
* The sensile extension under breaking load is more than 17%.
* 80 grade, high intensity chain, the breaking load >800MPa
* According to national standard JB/T8108.1-1999
* Material: high quality mild alloy steel.
* The sensile extension under breaking load is more than 17%.