Attributes . AWS A5.1/A5.1M: 2012: E7018-1 H4R, ASME SFA-A5.1: E7018-1 H4R, ABS: 3Y H5, Lloyd's Register: 3YM H5, DNV Grade: 3 YH5, GL: 3YH5, BV Grade: 3YHHH, CWB/CSA W48-06: E4918-1-H4, EN ISO 2560-B: E4918-1 A U H5 . Names