Paipu kila pilau nui anawaena q235q345 wai a me ke one puhi paipu pololei humuhumu wiliwili paipu mānoanoa paia wiliwili paipu

ʻOi aku ka maikaʻi o ke kūpale ʻana o ka paipu wiliwili spiral ma mua o ka paipu wili pololei.He 50-75 degere ka huina spiral o ka paipu wiliwili spiral, no laila, ʻo ke koʻikoʻi synthetic o ka hui welded spiral he 60-85% o ke koʻikoʻi nui o ka paipu welded pololei.Ma lalo o ke kaomi hana like, ʻoi aku ka liʻiliʻi o ka mānoanoa o ka pā o ka paipu wiliwili ʻia me ke anawaena paipu like ma mua o ka paipu welded pololei.Pono ka nui.ʻO ka maʻamau, ʻaʻole ʻoi aku ka nui o ke anawaena ma mua o 0.12%, ʻoi aku ka liʻiliʻi o ka deflection ma mua o 1 / 2000, a ʻo ka ovality ka liʻiliʻi ma mua o 1%.ʻO ka maʻamau, hiki ke waiho ʻia ke kaʻina hana nui a me ka hoʻoponopono ʻana.