Al. Alloy Suspension Clamp,XGH,XGF Type. Al. Alloy Suspension Clamp The clamp body and keepers are aluminum alloy. Cotter-pin is stainless steel and the other parts are hot-dip galvanized steel XGH Aluminium alloy suspension clampXGF Suspension clamp for 500KV line.XGG Suspension clamp for 500KV line. Al. Alloy Suspension Clamp