1) Available certificates: ISO, DNV, Lloyd's, PED 2) Standard: ASTM B337, B338, B861 3) Grade: Gr1, 2, 7, 9, 12 etc. 4) OD: 6--168mm 5) WT: 0.5-15mm 6) Package: in wooden cases free from fumigation, with each by plastic film 7) Applications: Petrochemical industry, sodium carbonate, chloroalkali, aviation, ocean antisepsis, medical care, nuclear power, etc. In wooden case.
