Nā papa keleawe a me nā pale a me nā'āpana
Ma muli o keʻano o nā kiʻi chromium kiʻekiʻe, ua loaʻa i kēia mau kālena carbon i ke kū'ēʻana.
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Astm A515 Gr. 70 He mea kūpono ia e hoʻohana i ka helu o ka hoʻopihapihaʻana i ka helu kūlike (pren) ma keʻano he nui o ka heluʻana i nā helu. . ^. Asme sau515 cell courl 70 carbon caliel e hanaʻia e nāʻano hana maʻamau a hiki ke maʻalahi a maloʻo paha. ʻO mākou kāu mea e pani ai i kahi wahi no ka hana maʻamau no ka 515 Gr 7 70 mau huahana a me kā mākou huahana'ē aʻe i nāʻano likeʻole.
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ʻŌlelo Lukemapuka