... Carbon Steel, Stainless steel Size: 16, 25, 38, 50, 76, 100mm Use as tower packing Metal pall ring:Carbon Steel pall ring, CS ... pall ring, Carbon Steel pall ring, Stainless ... of materials, such as Stainless steel, carbon steel, aluminum, bronze and other alloy. ... 76, 100mm Metal pall ring (Material: Carbon Steel, Stainless steel 304, 304L, 316, 316L, ...