Product  Description:Material: Alloy steel/carbon steelFinish: zinc plated/ hot dip galvanized/black/oilProcess:weldedTreatment: Quenched and TemperedGrade: 30/43/70/80Origin: ChinaPacking:Bag,Website:http://www.thinkwellforging.com, drum,carton, PalletMarkets:Europe,Middle East,USA, Canada,South Aisa,India,Brazil,etcCustomized requirements are welcome!Instruction:The available finishes include self-colored,black painted,zinc plated,hot dip galvanized,the chains provided are exactly in line with corresponding standards in aspects of specification and material.Size dOutside Length p+2dOutside Width bBreaking LoadProof LoadWeightmmmmmmmin,knmin,knkg/m8402723.6711.81.399453029.9614.911.7610503436.9818.442.1611553744.7522.322.6512.5634357.5828.813.414704872.4936.14.2616805494.6847.215.56189060113.356.487.15199564133.566.587.972010068155.3977.59.14221107517989.2710.522412081213106.2312.52261308827813914.8281409532122517.1732160108.841729122.4334170115.6544.74272.3725.3236180122.4610.7305.3528.338190129680.45340.2331.640200136753.96376.9835.0442210143831.24415.6238.6544220150912.29456.1542.446230156.4997.11498.5646.3448240163.21085.7542.8550.46502501701178.06589.0354.75Why choose THINKWELL?1.Rich experience for international business2.Prompt delivery3.Quality control4.Strong Production capacity5.Good after-sale service