Paipu galvanized hoʻoluʻu welaua hana ʻia ma ka hoʻopili ʻana i ka metala hoʻoheheʻe ʻia me ka substrate hao e hana i kahi papa alloy, no laila e hoʻopaʻa pū ana i ka substrate a me ka uhi. ʻO ka galvanizing wela-dip e pili ana i ka holoi ʻakika mua ʻana i ka paipu kila e wehe i ka ʻōpala o ka ʻili. Ma hope o ka holoi ʻakika, hoʻomaʻemaʻe ʻia ka paipu i loko o kahi hopena o ka ammonium chloride a i ʻole zinc chloride, a i ʻole ka hui ʻana o nā mea ʻelua, ma mua o ka hoʻokomo ʻia ʻana i loko o ka pahu galvanizing wela-dip.
Hāʻawi ka galvanizing wela-dip i nā pono e like me ka uhi like, ka hoʻopili ikaika, a me ke ola lawelawe lōʻihi. Hoʻopilikia ka substrate paipu kila i nā hopena kino a me nā kemika paʻakikī me ka hopena galvanizing i hoʻoheheʻe ʻia, e hana ana i kahi papa zinc-iron alloy kūpaʻa i ka palaho, paʻa i ke ʻano. Hoʻohui kēia papa alloy me ka papa zinc maʻemaʻe a me ka substrate paipu kila, e hopena ana i ka pale ʻana i ka palaho ikaika.
1. ʻO ke ʻano like o ka uhi zinc: ʻAʻole pono e ʻulaʻula nā hāpana paipu kila (keleawe) ma hope o ka hoʻokomo mau ʻia ʻana i loko o kahi wai keleawe sulfate ʻelima mau manawa.
2. ʻAno o ka ʻili: ʻO ka ʻili onā paipu kila galvanizedpono e loaʻa kahi uhi zinc piha, me ka ʻole o nā kiko ʻeleʻele a i ʻole nā pehu i uhi ʻole ʻia. ʻAe ʻia ka ʻoʻoleʻa iki a me nā nodules zinc kūloko.
3. Kaumaha o ka papa galvanized: Wahi a nā koi o ka mea kūʻai, hiki i ka paipu kila galvanized ke hoʻāʻo ʻia ke kaumaha o ka papa zinc, me ka awelika waiwai ʻaʻole emi ma mua o 500 g/m², a ʻaʻohe hāpana e emi ma mua o 480 g/m².
Paipu galvanized i hoʻoluʻu ʻia i ka wela i hana ʻia e nā paipu ʻeleʻele i hoʻoluʻu ʻia i loko o ka wai zinc no ka galvanized.
ʻUhi kinikini: 200-600g /m2
Papa Kila: Q195-Q345, S235JR, S275JR, S355JR, S355J2H, STK400/500.
Kūlana: BS1387-1985, DIN EN10025, EN10219, JIS G3444: 2004, GB / T3091-2001.
ASTM A53: GR. A, GR. B, GR. C, GR. D, SCH40/80/STD
Ka lapaʻau hope: wili ʻia, wili ʻia/socket
Hoʻopili ʻana: ʻElua mau lepili ma kēlā me kēia pūʻolo, i wahī ʻia i ka pepa pale wai
Hoʻāʻo: Ka Nānā ʻĀpana Kemika, Nā Waiwai Mekanika (Ka ikaika tensile hope loa, Ka ikaika yield, Elongation), Nā Waiwai ʻenehana
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Ka manawa hoʻouna: Mei-29-2025
