... ,certificate:CE,ISO9001:2008 Spherical Tank GroupSpecification:Material of Spherical shell plates16MnR, 16MnDR, 15MnNbR, 15MnNiNbDR, WH510, ... Air, Vacuum, Liquid Ammonia, Liquid Nitrogen, Refined Propylene, Butadiene, Isobutene, Propane, C3 Fraction, C4, C5, VCM, Clean Oil, Liquid Methyl Ether ... chloride, etc.Cubage DimensionFrom 50m³ to 10000m³ 50m³--- 10000m³ Spherical Tank Group