Nā Paipu Kila ʻŌwili ASTM A139 S235 J0
ʻO kekahi o nā pono nui oPaipu kila ʻōwili S235 J0ʻo ia kona maʻalahi i ke anawaena a me nā kikoʻī mānoanoa o ka paia. ʻAe kēia i ka hoʻololi nui ʻana i ka hana ʻana, ʻoi aku hoʻi i ka hana ʻana i nā paipu paia mānoanoa kiʻekiʻe. Eia kekahi, he kūpono loa ka ʻenehana i ka hana ʻana i nā paipu paia mānoanoa o nā anawaena liʻiliʻi a me waena, e ʻoi aku ka maikaʻi ma mua o nā ʻano hana ʻē aʻe.
Waiwai Mīkini
| papa kila | ka ikaika hua haʻahaʻa loa Mpa | Ikaika tensile | Ka hoʻolōʻihi iki ʻana % | Ka ikehu hopena haʻahaʻa loa J | ||||
| Mānoanoa i kuhikuhi ʻia mm | Mānoanoa i kuhikuhi ʻia mm | Mānoanoa i kuhikuhi ʻia mm | 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 | - | - | |||||
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 haku mele kemika i ka liʻiliʻi loa o ka nui o Al o 0,020% me ka liʻiliʻi loa o ka lakio Al/N o 2:1, a i ʻole inā lawa nā mea hoʻopaʻa N ʻē aʻe. Pono e hoʻopaʻa ʻia nā mea hoʻopaʻa N i loko o ka Palapala Nānā. | ||||||||
ʻO nā ʻano kiʻekiʻe o ka paipu kila wili S235 J0 e kūpono ia no nā ʻano hana like ʻole. Inā he ʻoihana, kalepa a i ʻole nā papahana kūkulu, ua hoʻolālā ʻia kēia huahana e hoʻokō i nā koi koʻikoʻi o kāna mea hoʻohana. ʻO kāna hana hilinaʻi a me ke kūpaʻa e lilo ia i hopena kūpono no kekahi papahana e pono ai nā paipu arc submerged spiral.
Ma waho aʻe o ka paipu kila wili S235 J0, hoʻokomo pū ʻia kā mākou laina huahanaPaipu kila A252 Papa 3Hana ʻia ka huahana me ka hoʻohana ʻana i nā ʻenehana hana hou loa e hōʻoiaʻiʻo ana i ke kūlana kiʻekiʻe loa a me ka hilinaʻi. Me kona ikaika tensile kiʻekiʻe a me ke kūpaʻa maikaʻi loa i ka pala, kūpono ka paipu kila A252 Grade 3 no nā noi koi.
Haʻaheo mākou e hāʻawi aku i kahi laina piha o ka paipu wili i hoʻopaʻa ʻia i loko o ka arc e kū nei a ʻoi aku ma mua o nā kūlana o ka ʻoihana. ʻO ko mākou hoʻolaʻa ʻana i ka maikaʻi a me ka hana hou ua hoʻolilo iā mākou i mea hoʻolako hilinaʻi i ka ʻoihana paipu kila. Me ka hoʻohiki i ka maikaʻi loa, ke hoʻomau nei mākou i ka hoʻokuke ʻana i nā palena o ka hana ʻana i nā paipu kila.
I ka wā e pili ana i ka paipu wili i hoʻopaʻa ʻia i loko o ka arc, hoʻonohonoho kā mākou huahana i ke kūlana no ka hana, ka lōʻihi a me ka hilinaʻi. ʻO ka S235 J0 Spiral Steel Pipe a me ka A252 Grade 3 Steel Pipe ʻelua wale nō mau hiʻohiʻona o kā mākou kūpaʻa e hāʻawi i kā mākou mea kūʻai aku i nā hopena maikaʻi loa. Ke nānā nei mākou i ka maikaʻi a me ka hana hou a ua kūpaʻa mākou i ka hoʻokō ʻana i nā pono o kā mākou mea kūʻai aku a ʻoi aku i kā lākou mau manaʻolana.
I ka hōʻuluʻulu manaʻo, ʻo kā mākou paipu kila wili S235 J0 a me ka paipu kila A252 papa 3 ka hopena o ka ʻenehana ʻoi loa a me ka hana lima kiʻekiʻe. Hāʻawi kēia mau huahana i ka hana like ʻole, e lilo ana iā lākou i koho kūpono no nā ʻano hana like ʻole. Inā he kūkulu ʻana, he ʻoihana a i ʻole nā papahana ʻoihana, ua hoʻolālā ʻia kā mākou mau paipu wili i hoʻopaʻa ʻia i loko o ka arc e hāʻawi i nā hopena maikaʻi loa. E hilinaʻi i ko mākou ʻike a me ka ʻike e hāʻawi iā ʻoe i nā paipu kila kiʻekiʻe loa ma ka mākeke.








