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
Ua ulu nāʻoihana mecpentry i nā makahiki i hala iho nei a loaʻa heʻano o nā huahana i loaʻa i ka mākeke. Astm A815 UNT S32750 PPETING FITTTERS kahi o kēlā huahana a loaʻa i loko o nāʻano likeʻole, nāʻano like, a me nā'āpana. Astm A815 UNT S32760 PPE FITTINGS e hoʻolālāʻia e kū pono i ka corrosion a'ōleloʻia he mau mea maikaʻiʻole. ʻO kēia mau Super Duplex S32750 Buttsweld Fitty Fortings e paleʻia i ka corrosion a me ka momona. Loaʻa iā lākou kahi micsstructure o 50% assetetitic a me 50% ferrite.
