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304, 316, 316L ʻOi aku ka maikaʻi o ka hale hale ʻili ʻole H Beam Steel I-beam Steel
ʻO ke kila ʻāpana H he ʻano ʻāpana waiwai a me ka ʻāpana kiʻekiʻe me ka hoʻolaha ʻana i ka ʻāpana cross-sectional ʻoi aku ka maikaʻi a ʻoi aku ka maikaʻi o ka ratio ikaika-i-kaumaha. Ua kapa ʻia ʻo ia no ka mea ua like kona ʻāpana me ka leka Pelekane "H". No ka mea ua hoʻonohonoho ʻia nā ʻāpana like ʻole o ke kila H-like ma nā kihi ʻākau, ʻo ke kila H-like nā mea maikaʻi o ke kūpaʻa kūlou ikaika, ka hana maʻalahi, ka mālama ʻana i ke kumukūʻai a me ka hoʻolālā māmā ma nā ʻaoʻao āpau.
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