Astm A815 e hoʻokaʻawale i nā papa maʻamauʻelua, wp a cr, ferritic, ferritic \ / Austevitic, a me ke kūkuluʻana i keʻano o ke kālepaʻana. Ua hoʻohālikelikeʻia nā papa hana WP i nā papaʻehāʻehā: Nā papaʻo BRCCLASSES: CRAND WP-S, WP-W, WP-WP-WP-WP-WP-WP-WP-WP-WP-WP-WP-WP-WP-WP-WP-WP-WP-WP-WP-WP-WP-wP-w ʻO nā mea waiwai no nā mea kūpono e pili ana i nā mea aloha, nā kīʻaha, nā papa, nā papa, a iʻole nā huahana tublal