elbow Materials: 304, 304L, 316, 316L, 321, 2520 etc Size: 15-1200mm Pressure Ratings: 5s-160s elbowStandard: China: GB12459-90 HGJ514-87 SHJ408-90 Germany: DIN2605 DIN2606 DIN2615 Japan: JIS B2311 JIS B2312 JIS B2313 U. S. A: ASME/ANSI B16.9 ASME/ANSI B16.28 ASME/ANSI B16.11 Materials: 304, 304L, 316, 316L, 321, 2520 etc Size: 15-1200mm Pressure Ratings: 5s-160s 90 degree elbow