... Steel tape/ SS304, ss304L ,316, 316L, ss31803, inconel , monel,SS32205,Hastelloy, Ti, Alloy Inner ring and outer ring/Q235, SS304 , ss304L ... ,316, 316L, ss31803, inconel , Monel,SS32205,Hastelloy,alloy ,ss321, Ti spiral wound gasket outer ring type