ʻO ka Paipu kila wili S235 J0 - Hana maikaʻi loa o ka paipu welded diameter nui
Haʻaheo mākou e hoʻolauna i kā mākou huahana kiʻekiʻe loa,Paipu kila ʻōwili S235 J0, i hoʻolālā ʻia e hoʻokō i nā pono e ulu nei o nā ʻoihana like ʻole. Ma ke ʻano he mea hana alakaʻi i ke kahua, hoʻohana mākou i ka ʻenehana holomua a me ka ʻike loea e hana i ke kūlana kiʻekiʻepaipu laina me ke kūpaʻa a me ka hana kūikawā.
Hana ʻia kā mākou mau paipu kila wili mai nā wili kila ʻāpana ma o ke kaʻina hana kuʻi arc submerged pālua ʻelua ʻaoʻao. Ma o ka ʻenehana hoʻoheheʻe extrusion mahana mau, hōʻoia mākou e hana ʻia kēlā me kēia paipu me ka pololei a me ke kūlike kiʻekiʻe loa. Hōʻoia kēia kaʻina hana hana akahele e hoʻokō kā mākou huahana i nā kūlana kiʻekiʻe loa, e kūpono ai no nā ʻano hana like ʻole.
Waiwai Mīkini
| papa kila | ka ikaika hua haʻahaʻa loa | Ikaika tensile | Ka hoʻolōʻihi iki ʻana | Ka ikehu hopena haʻahaʻa loa | ||||
| Mānoanoa i kuhikuhi ʻia | Mānoanoa i kuhikuhi ʻia | Mānoanoa i kuhikuhi ʻia | ma ka mahana hoʻāʻo o | |||||
| <16 | >16≤40 | <3 | ≥3≤40 | ≤40 | -20℃ | 0℃ | 20℃ | |
| S235JRH | 235 | 225 | 360-510 | 360-510 | 24 | - | - | 27 |
| S275J0H | 275 | 265 | 430-580 | 410-560 | 20 | - | 27 | - |
| S275J2H | 27 | - | - | |||||
| S355J0H | 365 | 345 | 510-680 | 470-630 | 20 | - | 27 | - |
| S355J2H | 27 | - | - | |||||
| S355K2H | 40 | - | - | |||||
Hana ʻia kā mākou mau paipu kila wili mai nā wili kila ʻāpana ma o ke kaʻina hana kuʻi arc submerged pālua ʻelua ʻaoʻao. Ma o ka ʻenehana hoʻoheheʻe extrusion mahana mau, hōʻoia mākou e hana ʻia kēlā me kēia paipu me ka pololei a me ke kūlike kiʻekiʻe loa. Hōʻoia kēia kaʻina hana hana akahele e hoʻokō kā mākou huahana i nā kūlana kiʻekiʻe loa, e kūpono ai no nā ʻano hana like ʻole.
Ke hoʻohālikelike ʻia me nā paipu welded kuʻuna,Paipu kila ʻōwili S235 J0 he mau hiʻohiʻona koʻikoʻi kēia:
A. I ke kaʻina hana ʻana, hoʻololi like ka papa kila a he liʻiliʻi ke koʻikoʻi koena. ʻAʻole wale kēia e hoʻolōʻihi i ke ola o ka paipu, hōʻoia pū kekahi i ka laumania o ka ʻili o ka paipu a ʻaʻohe ona ʻōpala a kīnā paha.
b. ʻO kā mākou kaʻina hana hoʻoheheʻe arc ʻelua ʻaoʻao holomua e hiki ai ke hoʻoheheʻe pololei i ke kūlana maikaʻi loa. Hoʻemi nui kēia i ka hanana o nā hemahema e like me nā kihi i kūlike ʻole, nā ʻokoʻa hoʻoheheʻe, a me ka hoʻoheheʻe piha ʻole. ʻO ka hopena, he maikaʻi loa ka maikaʻi o ka hoʻoheheʻe ʻana o kā mākou mau paipu, maʻalahi ke kaohi a hōʻoia i ka hana maikaʻi loa.
C. ʻO ka maikaʻi kā mākou mea nui loa. No laila, hana mākou i ka nānā pono ʻana i ka maikaʻi 100% ma kēlā me kēia paipu kila a mākou e hana ai. Hōʻoia kēia nānā piha e hoʻokō kā mākou mau paipu i nā kūlana ʻoihana kiʻekiʻe loa, e hāʻawi ana iā ʻoe i ka maluhia o ka noʻonoʻo ma ke kaʻina hana a me ka hoʻohana ʻana.
Ma Cangzhou Spiral Steel Pipe Group Co., Ltd., haʻaheo loa mākou i ka hana ʻanaPaipu kila ʻōwili S235 J0Aia mākou ma ke kūlanakauhale ʻo Cangzhou, ma ka moku ʻo Hebei a ke lawelawe nei i ka ʻoihana mai ka makahiki 1993. Me ka uhi ʻana i kahi ʻāpana o 350,000 mika kuea a me ka huina waiwai o 680 miliona yuan, ua hoʻokumu ia i kahi kahua paʻa no nā hiki hana maikaʻi loa. Hana ikaika kā mākou hui hoʻolaʻa o 680 mau limahana akamai e hōʻoia i ka hana maʻalahi a me ka hāʻawi manawa ʻana o 400,000 tons o nā paipu kila wili i kēlā me kēia makahiki.
Ka Hoʻohui Kemika
| Papa kila | ʻAno o ka de-oxidation a | % ma ke kaumaha, ka nui loa | ||||||
| Inoa kila | Helu kila | C | C | Si | Mn | P | S | Nb |
| S235JRH | 1.0039 | FF | 0,17 | — | 1,40 | 0,040 | 0,040 | 0.009 |
| S275J0H | 1.0149 | FF | 0,20 | — | 1,50 | 0,035 | 0,035 | 0,009 |
| S275J2H | 1.0138 | FF | 0,20 | — | 1,50 | 0,030 | 0,030 | — |
| S355J0H | 1.0547 | FF | 0,22 | 0,55 | 1,60 | 0,035 | 0,035 | 0,009 |
| S355J2H | 1.0576 | FF | 0,22 | 0,55 | 1,60 | 0,030 | 0,030 | — |
| S355K2H | 1.0512 | FF | 0,22 | 0,55 | 1,60 | 0,030 | 0,030 | — |
| a. Ua kapa ʻia ke ʻano deoxidation penei: FF: Ke kila i pepehi piha ʻia me nā mea hoʻopaʻa naikokene i nā nui e lawa ai e hoʻopaʻa i ka naikokene i loaʻa (e laʻa me ka liʻiliʻi he 0,020% Al āpau a i ʻole 0,015% Al hiki ke hoʻoheheʻe ʻia). b. ʻAʻole pili ka waiwai kiʻekiʻe loa no ka naikokene inā hōʻike ka hoʻohui kemika i ka liʻiliʻi loa o ka nui o Al he 0,020% me ka liʻiliʻi loa o ka lakio Al/N he 2:1, a i ʻole inā lawa nā mea hoʻopaʻa N ʻē aʻe. Pono e hoʻopaʻa ʻia nā mea hoʻopaʻa N ma ka Palapala Nānā. | ||||||||
Ma Cangzhou Spiral Steel Pipe Group Co., Ltd., haʻaheo loa mākou i ka hana ʻana i ka S235 J0 Spiral Steel Pipe. Aia mākou ma ke kūlanakauhale ʻo Cangzhou, Hebei Province a ke lawelawe nei i ka ʻoihana mai ka makahiki 1993. Ke uhi nei i kahi ʻāpana oʻMe 350,000 mika kuea a me ka huina waiwai o 680 miliona yuan, ua hoʻokumu paʻa ia i kahi kahua paʻa no nā hiki hana maikaʻi loa. Hana ikaika kā mākou hui i hoʻolaʻa ʻia o 680 mau limahana akamai e hōʻoia i ka hana maʻalahi a me ka hāʻawi manawa kūpono o 400,000 tons o nā paipu kila wili i kēlā me kēia makahiki.
I ka hōʻuluʻulu manaʻo, hāʻawi ka paipu kila wili S235 J0 i ka maikaʻi a me ke kūpaʻa no kāupaipu i hoʻopaʻa ʻia me ke anawaena nuienā pono. Me kā lākou mau kaʻina hana hana holomua, ka maikaʻi o ka hoʻoheheʻe ʻana a me nā nānā pono ʻana i ka maikaʻi, ua hōʻoia ʻia kā mākou huahana e ʻoi aku ma mua o kāu mau manaʻolana. E hilinaʻi iā Cangzhou Spiral Steel Pipe Group Co., Ltd.'ʻo kona ʻike loea a me ka ʻike e hoʻokō i kāu mau pono paipu kila āpau.







