긴 반경 팔꿈치

탄소강: ASTM/ASME A234 WPB-WPC, ST37,
합금: ST52, 12CrMo, 15CrMo, WP 1-WP 12, WP 11-WP 22, WP 5-WP 91-WP 911
스테인레스 스틸: ASTM/ASME A403 WP 304- 304L-304H-304LN-304N
ASTM/ASME A403 WP 316-316L-316Ti ...
알루미늄: 1050/1060/3003/5052/2011/2024/2A12/3A21/6061/6063/6068/7075/LY12/7005