... F304, 304L, F316, 316L, 1Cr18Ni9Ti, 0Cr18Ni9Ti, 321, 18-8, etc.face:RF, FF, RJ, MFM, TG, etc.surface treatment:black painting ... to special requirement. pipe & fittings:steel pipes, elbow, tee, cross, reducer, flange, cap, lap joint stub end, steel pipes, socket fittings ...