Product Name: Stainless Steel Oval Gasket
Type: Oval Gasket
Design Standard: ANSI B16.20
Size: R58
Material: 08X18H10T (AISI 321 Stainless Steel)
Source: https://www.landeepipefitting.com/stainless-steel-oval-gaskets-ansi-b16-20-08x18h10t-r58.html