... chain 1.material:q195 , q235 2.grade:g30 3.surface:galvanized 4.automatic machine made short link chain with galvanized1. material ... :carbon steel , q195 , q2352. surface:electric galvanized , hot galvanized , self color are available for your options 3. grade:g30 ... /2 , 5/8 , 3/4 ,7/8 , 111. Din5685 A/C short/long link chain: 2 ,2.5 , 3 , 3.5 ...