Material: Carbon Steel, Stainless steel Size: 5/8", 1", 1.5", 2", 3", 4" Application: Use as tower packing Size ... ring is made of material like Stainless Steel, Carbon Steel, Aluminum, Copper, Monel, Hastelloy, Ni, Ti, and so onTechnical data of metal ... 951841830384Φ100100×100×1.8740.965501200370Φ100100×100×2.0350.955531200371 Metal pall ring (Carbon Steel, Stainless steel 304, 304L, 316, 316L, 410) ...