Hanaʻia nā kaulahao SCIC Grade 80 (G80) no ka hāpaiʻana e like me nā kūlana EN 818-2, me ka nickel chromium molybdenum manganese alloy steel ma nā kūlana DIN 17115; Ua hoʻolālā maikaʻi ʻia / nānā ʻia ka welding a me ka mālama wela e hōʻoia i nā kaulahao me ka ikaika hoʻāʻo, ka haki ʻana, ka elongation a me ka paʻakikī.