Elbow 90° ASME B16.9、B16.28，DIN 2605-1�605-2，EN 10253-1 Up to 24�N.B. all schedules Carbon steel: ASTM/ASME SA234 WPB, WPC, Alloy steel: ASTM/ASME SA234 WP5, WP9, WP11, WP12, WP22, WP91 Temperture Steel: ASTM/ASME A420 WPL6 WPHY P42、P46、P52、P56、P60、P65、P70 Elbow 45° ASME B16.9、B16.28，DIN 2605-1�605-2，EN 10253-1 Up to 16�N.B. all schedules Carbon steel: ASTM/ASME SA234 WPB, WPC, Alloy steel: ASTM/ASME SA234 WP5, WP9, WP11, WP12, WP22, WP91 Temperture Steel: ASTM/ASME A420 WPL6 WPHY P42、P46、P52、P56、P60、P65、P70