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Wela kūʻai aku i ke kalapona C/U Channel Steel Beam
Ke kila kahawai galvanized wela-dipHiki ke hoʻokaʻawale ʻia i ke kila kahawai galvanized wela a me ke kila kahawai galvanized puhi wela e like me nā kaʻina hana galvanizing like ʻole. Hoʻokomo ʻia nā ʻāpana kila i wehe ʻia i ka popo i loko o ka wai zinc hoʻoheheʻe ʻia ma kahi o 440 ~ 460 ° C e hana i ke kila. Hoʻopili ʻia kahi papa zinc i ka ʻili o ka ʻāpana e pale aku i ka pala.

