... delivery flange 5.ISO,API,CE Steel flange for flange pipe manufacturer 1. Material: stainless steel,alloy steel,carbon steel 2. Size range: FROM 1 ... , BV , SGS, LOIYDApplications range: Petroleum, chemical, power, gas, metallurgy, shipbuilding.construction,water and nuclear power etc. Packaging: seaworthy package,Plywood Cases or ...