ʻO 301 Full Hard he kila kuhiliʻi austenitic i ʻokoʻa mai nā ʻano ʻē aʻe o 301 i hāʻawi ʻia e United Performance Metals no ka mea ua ʻōwili ʻia ʻo ia a hiki i kona kūlana paʻakikī piha.… I kona kūlana paʻakikī, ʻo ka type 301 ka ikaika tensile o 185,000 PSI ka liʻiliʻi, a me ka ikaika hoʻohua haʻahaʻa o 140,000 PSI.