... 10253-1, EN10253-2. Grade and Material: ASTM Standard: Stainless steel: ASTM A403 WP304,304L, 316, 316L, 321, 1Cr18Ni9Ti, 00Cr19Ni10, ... ". A 90 degree elbow attaches readily to plastic, copper, cast iron, steel and lead. It can also attach to rubber with stainless ... degree LR elbow, 90 degree stainless steel elbow, 90 degree carbon steel elbow, 90 degree alloy steel elbow,90Degree SR elbow, 90 degree ...