... Material:S S 3. Size:1/2"-40" 4. Type:slip on flange 5. Certificate:IS09001:2000/2008/TUV 1. ... ANSI 304 Slip on flange2. Material:Stainless Steel:such as 201, 301 , ... 1500,25005. Size:1/2"-40"6. Type:Slip-on flanges, Blind flanges, Lap joint flanges, Welding neck ... FF ,RF, LJ, FM ,R.T.J and so on .10. Production process : raw material--cutting--heating--forging--heat ...