... A5.1 or A5 .5 E70 15, E7016, E7018, E7028 E70 1 5- X, E7016-X, E7018-X AWS A5.17 or A5.23§ F7XX-EXXX F7XX-EXX-XX AWS A5.18 ER70S-X A572 grades 60 and 65 AWS A5 .5 E8016-X, E80 1 5- X E8018-X AWS A5.23§ ... E70 15, 16, 18C1L, C2L E8016, 18-C1, C2§ E8016, 18-C3§ E8018-W§ AWS A5 .5 E9018-M AWS A5.17 F6A0-EXXX F7A0-EXXX AWS A5.20 E6XT-1 ,5 E7XT-1 ,5 AWS A5.17 F7A0-EXXX AWS A5.20 E7XT-1 ,5 AWS A5.17 or A5.23 ... A5.23 F7A0-EXXX, F8A0EXXX§ AWS A5.20 or A5.29 E7XT-1 ,5 E8XT-1,5NiX, W AWS A5.23 F9A0-EXXX-X AWS A5.29 E9XT1-X E9XT5-X A572 grade 50 / M270M grade 3 45 type 1, 2, or A588 / M270M grade 345W‡ 4-in and...