... ,API,DIN, 4.MATERIAL:SS304/316 DN40 SS304 SQUARE PLUG (SQ)1.The SQUARE PLUGS are designed and manufactured2. ... CF8M/1.4408,CF8/1.4308Product plug, Stainless Steel plugSizeplug 1/8"-4"Kindsquare plug, hesagon plugPressure Rating150LBS,2000LBS,3000LBSStandardASME, ... ANSIB 16.11,JIS B23.6,HGJ10;SHJ410 etc.MaterialCF8M/ ...