... converters, usually produced from the 304, 316,321,310 and 310 stainless steel. High nickel Stainless steel auto muffler mat ... fragile ceramic honeycomb tiles. Usually constructed from the ginning and the pad material knitted net often integral area of expansion combined with ... catalytic converters, usually produced from the 304, 316,321,310 and 310 stainless steel. High nickel content alloys, such as ...