... .steel flange for flange pipe manufacture 2.1/2'' to 60''flange 3.high quality flange 4.short delivery flange 5.ISO,API,CE Steel flange for flange pipe manufacturer 1. Material: stainless steel ... , BV , SGS, LOIYDApplications range: Petroleum, chemical, power, gas, metallurgy, shipbuilding.construction,water and nuclear power etc. Packaging: seaworthy package,Plywood Cases ...