ʻO SCIC Grade 70 (G70) nā kaulahao lawe ukana i hana ʻia e like me nā kūlana NACM. Hoʻolālā maikaʻi ʻia nā loulou kaulahao / nānā ʻia i ka welding a me ka mālama wela e hōʻoia i nā kaulahao me nā waiwai mechanical me ka hiki ke hoʻopaʻa ʻia, ka ikaika hōʻoia, ka haki ʻana, ka lōʻihi a me ka paʻakikī. Hoʻohana ʻia ka nānā piha ʻana a me nā hoʻāʻo ʻana ma ka pūʻulu kaulahao.