... Metal Pall Ring Material:SS304,304L,410,316,316L Size:16mm, 25mm, 38mm, 50mm, 76mm Metal Pall RingMetal Pall Ring is made of materials like carbonsteel,stainless steel ... Note:The above data is feference to material stainless steel (304) in the material thickness shown.Other ... upon clients request.Material available:Carbon steel,stainless steel including 304,304L,410,316,316L Metal Pall Ring