... 0.5~20ton Dia of load chain:6mm,8mm,10mm HSC Type Chain Pulley Block Grade A Chain 20Mn2 Capacity: 0.5~20tonDia of ... load chain:6mm,8mm,10mm Test load: ... others.High tensile chains:Lifting chain,Lashing chain,chains for ship,fishing chain,three-link chain for coal transfer,transport chain……Material:carbon steel,alloy ...