ʻO ka ʻokoʻa ma waena o ka ʻōwili wela a me ka ʻōwili anu ka nui o ka mahana o ke kaʻina hana. ʻO ka "anu" ke ʻano o ka mahana maʻamau, a ʻo ka "wela" ʻo ia ka wela kiʻekiʻe. Mai ka manaʻo o ka metallurgy, pono e hoʻokaʻawale ʻia ka palena ma waena o ka ʻōwili anu a me ka ʻōwili wela e ka recrystallization wela. ʻO ia hoʻi, ʻo ka ʻōwili ʻana ma lalo o ka mahana recrystallization ʻo ka ʻōwili anu, a ʻo ka ʻōwili ʻana ma luna o ka mahana recrystallization ʻo ka wela wela. ʻO ka mahana recrystallization o ke kila he 450-600 ℃.
Eia ka ʻike nui o nā pane i nā nīnau e pili ana i [Ka ʻokoʻa ma waena o ka ʻōwili wela a me ka ʻōwili anu]:
ʻO kaʻokoʻa ma waena o ka'ōwili anuanu a me ka'ōwili wela ka mea nui o ka mahana o ka'ōwili. ʻO ka "anu" ke ʻano o ka mahana maʻamau, a ʻo ka "wela" ʻo ia ka wela kiʻekiʻe. Mai ka manaʻo o ka metallurgy, pono e hoʻokaʻawale ʻia ka palena ma waena o ka ʻōwili anu a me ka ʻōwili wela e ka recrystallization wela. ʻO ia hoʻi, ʻo ka ʻōwili ʻana ma lalo o ka mahana recrystallization ʻo ka ʻōwili anu, a ʻo ka ʻōwili ʻana ma luna o ka mahana recrystallization ʻo ka wela wela. ʻO ka mahana recrystallization o ke kila he 450-600 ℃
ʻO ka'ōwili wela a me ka'ōwili anu he mau kaʻina hana o ka hana ʻana i nā papa kila a i ʻole nā profile, he hopena nui i ke ʻano a me nā waiwai o ke kila. ʻO ka ʻōwili ʻana o ke kila ka mea nui o ka ʻōwili wela, a ʻo ka ʻōwili anuanu ke hoʻohana wale ʻia e hana i ke kila ʻāpana liʻiliʻi a me ka pā lahilahi. He paʻakikī ka hoʻololi ʻana a me ka hana ʻana i nā Ingots a i ʻole billets ma ka lumi wela. ʻO ka maʻamau, ua wela lākou i 1100-1250 ℃ no ka ʻōwili. Kapa ʻia kēia kaʻina ʻōwili wela. ʻO ka wela wela o ka ʻōwili wela ma ke ʻano he 800-900 ℃, a laila hoʻomaʻamaʻa maʻamau i ka ea, no laila ua like ke kūlana ʻōwili wela me ka hoʻomaʻamaʻa maʻamau. ʻO ka hapa nui o ke kila ma ka ʻōwili wela. ʻO ka'ōwili anuanu e pili ana i keʻano o ka'ōwili o ke kila extruding a hoʻololi i keʻano o ke kila me ke kaomi o nā'ōwili i ka mahana wela. ʻOiai ʻo ke kaʻina hana e hoʻomaʻamaʻa i ka pā kila, ua kapa ʻia ʻo ia ka ʻōwili anuanu.
Hōʻike kēia palapala i nā kūlana hāʻawi ʻenehana no ka ikaika kiʻekiʻe a me ke aniau kūʻē i ka uila welded a submerged arc welded anu i hoʻokumu ʻia i ke kila structural hollow pauku o nā ʻano pōʻai, square, rectangular a elliptical a hana ʻia ke anu me ka ʻole o ka mālama wela ma mua o ka mālama wela o ka laina weld. . NĀ MEA 1 Hiki ke loaʻa nā koi no ka hoʻomanawanui, ka nui a me nā ʻāpana ʻāpana ma EN 10219 2. NĀ MEA 2 Hoʻopili ʻia ka manaʻo o nā mea hoʻohana i ka ʻoiaʻiʻo ʻoiai nā māka i hana ʻia i loko o kēia palapala hiki ke loaʻa nā waiwai mechanical like me nā māka wela wela ma EN 10210 3, nā ʻāpana ʻāpana o nā ʻāpana ʻāpana a me nā ʻāpana ʻāpana ʻāpana i EN 10219 2 a me EN ʻAʻole like ka 10210 2. NĀ MEA 3 Ua kuhikuhi ʻia kahi ʻano o nā māka kila ma kēia palapala a hiki i ka mea hoʻohana ke koho i ka māka kūpono loa i ka hoʻohana i manaʻo ʻia a me nā kūlana lawelawe. ʻO nā māka a me nā waiwai mechanical, akā ʻaʻole ke kūlana hoʻolako hope loa o nā ʻāpana hollow i hoʻokumu ʻia i ke anu i hoʻohālikelike ʻia me nā mea ma EN 10025 3, EN 10025 4, EN 10025 5, EN 10025 6, EN 10149 2 a me EN 10149 3.
EN 10210-3-2020
Wela hoʻopau kila structural hollow pauku- Māhele 3: Nā kūlana hāʻawi ʻenehana no ka ikaika kiʻekiʻe a me nā kila kū i ka wā
Hōʻike kēia palapala i nā kūlana hāʻawi ʻenehana no ka ikaika kiʻekiʻe a me ka wela wela i hoʻopau ʻia, ka uila wili a me ka submerged arc welded steel structural hollow sections o ka poepoe, square, rectangular a elliptical forms. E pili ana i na pauku puha i hanaia me ka wela, me ka lapaau wela a i ole i hanaia ma ke anu me ka malama wela mahope o 580 °C no ka loaa ana o na waiwai mechanical like me na mea i loaa iloko o ka huahana wela. NĀ MEA 1 Ua kuhikuhi ʻia nā koi no ka hoʻomanawanui, nā ana a me nā ʻāpana ʻāpana ma EN 10210-2. NĀ MEA 2 Ua huki ʻia ka manaʻo o nā mea hoʻohana i ka ʻoiaʻiʻo ʻoiai nā māka i hana ʻia i ke anuanu ma EN 10219-3 hiki ke loaʻa nā waiwai mechanical like me nā māka wela wela i loko o kēia palapala nā ʻāpana ʻāpana o nā ʻāpana ʻāpana a me nā ʻāpana ʻāpana ʻāpana i EN 10210-2 a me EN ʻAʻole like ka 10219-2. NĀ MEA 3 Ua kuhikuhi ʻia kahi ʻano o nā māka waiwai ma kēia palapala a hiki i ka mea hoʻohana ke koho i ka māka kūpono loa i ka hoʻohana i manaʻo ʻia a me nā kūlana lawelawe. Hoʻohālikelike ʻia nā māka a me nā waiwai mechanical o nā ʻāpana hollow i hoʻopau ʻia me nā mea ma EN 10025-4, EN 10025-5 a me EN 10025-6. NĀ MEA 4 Ua uhi ʻia nā koi no nā ʻāpana hollow hollow a welded no ka hoʻohana ʻana i nā hale o waho i ka moʻo EN 10225. NĀ MEA 5 Manaʻo ʻia e hoʻohana ʻia nā ʻāpana ʻāwīwī i hoʻopaʻa ʻia me ka makaʻala i nā noi e pili ana i ka hana hoʻoikaika (ka luhi luhi) a hiki i kēia manawa, ʻaʻole lawa ka ʻikepili e pili ana i kā lākou hana.
E hoʻolauna i ka hoʻohana nui ʻana o ka paipu rectangular i hana ʻia anu
I loko o nā hale ʻoihana a me nā hale kīwila o Kina, ua hoʻohana ʻia ka mea hoʻoikaika paʻa no nā makahiki he nui
Ka pōʻaiapuni lōʻihi a me ka haumia kaumaha. I nā makahiki i hala iho nei, me ka holomua o ka ʻōwili welaH-kuolanā huahana o Ma Steel a me Lai Steel
Wahi a ka hoʻomaka ʻana o ka mākeke, ua hoʻonui ʻia ka hoʻohana ʻana o ka hale kila i ka ʻoihana kūkulu. Ua hoʻolauna ʻia nā hale hoʻokolohua like ʻole, nā hale hoʻohālike a me nā hale ʻāina. Ua hoʻomaka pū nā kūlana a me nā kikoʻī no ka hoʻolālā a me ke kūkulu ʻana i ke kahua o ka hoʻomaikaʻi lohi. Ua holomua ka ʻoihana hana kila o Kina i nā makahiki i hala iho nei.
Eia naʻe, i kēia manawa, hoʻohana nui ʻia nā hale kila hale o Kina no ke kila H-like ʻōwili wela a me nā hale kila welded like ʻole. Ua hiki i ka 3 miliona tons ka nui o ke kila H-like wela i ʻōwili ʻia ma Kina, a ʻo ka hoʻopuka ʻana o ke kila H-shaped māmā a me nā hale kila like ʻole he mau haneli haneli. ʻO ka hoʻopuka o nā paipu welded ma Kina ʻoi aku ma mua o 7 miliona tons i ka makahiki, kahi o ka puka opaipu huinahalike a me ka huinahalikea ʻo nā hale kila i hana ʻia i ke anu no ke kūkulu ʻana i nā hale kila ma lalo o 5% o ka nui o ka hoʻopuka ʻana o ke kila anuanu. ʻO ka hoʻohanaʻana i ke kila i hanaʻia i ke anuanu i loko o nāʻoihanaʻoihana a me nā hale hana kīwila ma Kina aia ma ka pae mua. Ua hoʻomaka ka paipu i hoʻoheheʻe ʻia i ke anuanu i hana ʻia i ke kila H-like me ke kolamu hoʻolālā kila. ʻAʻole hoʻohana ʻia nā mea kila ʻē aʻe i hoʻohana ʻia i ka ʻoihana hana.
yuantai steel hollow pauku no ka crane,ʻāpana kūwaho ʻo yuantai,ʻāpana kūhāhā huinahā yuantai
I kēia manawa, ua kūkulu ke Kuhina o ke kūkulu ʻana i kekahi mau hale hoʻāʻo i ka hale kila ma nā hale ʻoihana a me nā hale kīwila, e like me
Ua kūkulu ʻia ʻelua mau hale hōʻikeʻike hale kila o ka Ministry of Construction ma Tianjin i ka makahiki 2002. Ua hoʻohana ʻia nā paipu kila ma kēia papahana.
ʻO ke kolamu lāʻau lāʻau lāʻau kila i hoʻopaʻa ʻia i ka ʻōnaehana hoʻoheheʻe ʻia (SRC), ʻāpana o ka papahana.
8000m2, he ʻumikumamākahi papahele ke kino nui, hana ʻia kekahi kolamu i ka paipu poepoe, a ʻo kekahi kolamu i hana ʻia me ka paipu kila square.
350x350mm, ʻokoʻa ka mānoanoa me ka papahele, nona ka 1 ~ 3 papa he 16mm, 4~
14mm no ka papahele 6, 12mm no ka papahele 7 a 9, 10mm no ka papahele 10 a 11, a ninini ʻia i ka paipu kila.
C40 kaila.
Hana ʻia ka lāʻau i welded I-beam me ka kikoʻī o 350x200x10x18mm, a me ka papa papa.
He papa i hoʻopaʻa ʻia i hoʻopaʻa ʻia me ka ikaika kiʻekiʻe. I kēlā manawa, ʻaʻohe mea hana ma Kina i hana i nā paipu square me ka nui o ke anawaena, no laila ua hoʻohana ʻia nā paipu kila square i loko o ka papahana, ʻo ia nā kolamu ʻehā pāpaʻi welded BOX.
ʻO ka papahana hale hōʻikeʻike hale kila o ke Kuhina o ke kūkulu ʻana o Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd. huki ʻelua mau manaʻo mai ka hoʻohana ʻana i ke kila ʻāpana i hana ʻia (ʻo ka nui o ka pahu rectangular) i ka hale hale kila:
ʻO ka mea mua, he nui ka mākele kūʻai no nā paipu rectangular i hana ʻia i ke anuanu, a ʻo ka helu kūpono o nā papahele no ka hale noho kila.
Me nā papa 10 ~ 18, ʻo ia ʻano waena a me nā hale kiʻekiʻe i loaʻa i kekahi mau koi no nā kikoʻī o nā paipu rectangular i hana ʻia i ke anuanu.
ʻO ka lua, ʻoi aku ka maikaʻi o nā paipu kila square ma mua o nā paipu kila pōʻai no ʻekolu kumu:
ʻO ka mua, ʻoi aku ka maikaʻi o ka lawe ʻana o nā paipu huinahā a me ka poepoe me ka ʻaoʻao like ka lōʻihi a me ke anawaena
Maikaʻi loa. Wahi a ka ho'āʻo i alakaʻi ʻia e kekahi kulanui ma Tianjin ma kahi ʻekolu moʻolelo ʻelua ʻāpana ʻāpana ʻāpana a me ke kiʻi kolamu circular tube concrete column.
ʻO ka lōʻihi o ka ʻaoʻao o ke kolamu paipu he 150mm, a ʻo ke anawaena o ka paipu poepoe he 150mm. Hōʻike nā hopena hoʻāʻo ʻo ka mea mua ke kūpaʻa i ka hāʻawi ʻana i ka ikaika lateral
He 80% kiʻekiʻe ka nui o ka ukana a me ka hiki ke haʻi hope loa ma mua o ka mea hope, a ʻo ka papa kuhikuhi hana seismic e pili ana i ʻelua o ka hope;
ʻO ka lua, ʻoi aku ka maʻalahi o ke kūkulu ʻana i ka paipu square. Pono e oi aku ke kolamu o ka hale noho kila
No ke kūkulu ʻana, hoʻololi ʻia ka ʻāpana poepoe i ka ʻāpana huinaha;
ʻO ke kolu, he paʻakikī ke hana i ka pilina ma waena o nā kolamu kaʻa a me nā kaola. ʻO ka hale kila e hiki mai ana ma Kina
Ma ka mākeke, e loaʻa i nā paipu kūhāhā i hana ʻia anu anu a me nā ʻāpana ʻehā.
Hiki ke hoʻomaikaʻi maikaʻi ka ʻili wela o ka paipu kila i ka palena luhi o ka mea hana huahana. No ka laʻana, ʻo ka ʻenehana hana mua o ka hapalua axle kaʻa i hana ʻia me ke kila, ʻo ia ka mālama wela maʻamau, a ua hoʻonui ʻia kona ola lawelawe ma kahi o 20 mau manawa ma o ka hoʻololi ʻana mai ka mālama wela ʻana i ka wela. Eia kekahi, ʻo ka hoʻomaʻamaʻa ʻana i ka wela o ka ili e hōʻemi i ka ʻike hakahaka o nā ʻāpana. ʻO ke kumu o ka mālama ʻana i ka wela o ka ʻili e hoʻomaikaʻi maikaʻi i nā ʻano o nā huahana. Hoʻohana nui ʻia ia ma nā ʻano ʻano like ʻole, kahi pili pili i nā ʻano o nā mea ʻelua.
Ka manawa hoʻouna: Dec-21-2022
