Tank shell – 316 grade stainless steel or 304 stainless steel or carbon steel Q235B Framework – carbon steel Fittings (detailed per tank) 1 x 500mm top manway (top inspection man-hole) 1 x 3” outlet assembly 2 x top flanged connections with P/V relief device 1 x 3” opening top flange Preparations & Inclusions The containers are offered inclusive of: 1. Seaworthiness certificate (CSC) which covers the frame and structural integrity and the IMO certification for the movement of hazardous cargo. It’s valid for 5 years, but requires renewal (intermediate inspection) after 2 ½ years. 2. Internal cleaning, including certificate of cleanliness 3. External cleaning