ʻO ASTM A139 S235 J0 ʻO nā paipu kila ʻāwili
ʻO kekahi o nā pono nui oS235 J0 paipu kila kilaʻO kona maʻalahi i ke anawaena a me nā kikoʻī mānoanoa o ka paia. ʻAe kēia i ka hoʻololi ʻana i ka hana ʻoi aku, ʻoi aku ka maikaʻi o ka hana ʻana i nā paipu paʻa kiʻekiʻe. Eia kekahi, ʻoi aku ka maikaʻi o ka ʻenehana i ka hana ʻana i nā paipu pā mānoanoa o nā diameters liʻiliʻi a me waena, ʻoi aku ka maikaʻi o nā ʻano hana ʻē aʻe.
Waiwai Mechanical
| kila kila | ikaika hua liʻiliʻi Mpa | Ka ikaika tensile | ʻO ka elongation liʻiliʻi % | ikehu hopena liʻiliʻi J | ||||
| Mānoanoa i kuhikuhi ʻia mm | Mānoanoa i kuhikuhi ʻia mm | Mānoanoa i kuhikuhi ʻia mm | ma ka wela hoao 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 | - | - | |||||
Hoʻohui Kimia
| Papa kila | ʻAno de-oxidation a | % ma ka nuipa, ka nui | ||||||
| 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 koho ʻia ke ʻano deoxidation penei: FF: Ke kila make piha i loaʻa nā mea hoʻopaʻa naikokene i nā huina lawa e hiki ai ke hoʻopaʻa i ka nitrogen i loaʻa (e laʻa. ʻAʻole pili ka waiwai kiʻekiʻe no ka nitrogen inā hōʻike ka haku mele ʻana i ka liʻiliʻi o ka huina Al maʻiʻo o 0,020 % me ka palena liʻiliʻi Al/N o 2:1, a i ʻole inā lawa nā mea hoʻopaʻa paʻa N ʻē aʻe. E hoʻopaʻa ʻia nā mea paʻa N i ka Palapala Nānā. | ||||||||
ʻO nā hiʻohiʻona maikaʻi o S235 J0 spiral steel pipe e kūpono ia no nā ʻano noi. ʻO nā hana ʻoihana, ʻoihana a i ʻole nā hana hoʻolālā, ua hoʻolālā ʻia kēia huahana e hoʻokō i nā koi koʻikoʻi o kāna mea hoʻohana. ʻO kāna hana hilinaʻi a me ka lōʻihi e lilo ia i kumu kūʻai kūpono no kēlā me kēia papahana e koi ana i nā paipu arc submerged spiral.
Ma waho aʻe o ka S235 J0 spiral steel pipe, kā mākou laina huahana pū kekahiA252 Papa 3 paipu kila. Hana ʻia ka huahana me ka hoʻohana ʻana i nā ʻenehana hana hou e hōʻoiaʻiʻo ana i nā kūlana kiʻekiʻe a me ka hilinaʻi. Me kona ikaika tensile kiʻekiʻe a me ke kūpaʻa corrosion maikaʻi loa, ʻo A252 Grade 3 paipu kila ka mea kūpono no nā noi koi.
Haʻaheo mākou i ka hāʻawi ʻana i kahi laina piha o ka spiral submerged arc welded pipe i kū a ʻoi aku i nā kūlana ʻoihana. ʻO kā mākou hoʻolaʻa i ka maikaʻi a me ka hana hou ua lilo mākou i mea hoʻolako hilinaʻi i ka ʻoihana paipu kila. Me ka hoʻokō i ka maikaʻi, hoʻomau mākou i ka hoʻokau ʻana i nā palena o ka hana ʻana i ka paipu kila.
I ka wā e pili ana i ka spiral submerged arc welded pipe, hoʻonohonoho kā mākou huahana i ka maʻamau no ka hana, ka lōʻihi a me ka hilinaʻi. ʻO S235 J0 Spiral Steel Pipe a me A252 Grade 3 Steel Pipe he mau hiʻohiʻona ʻelua wale nō o kā mākou kūpaʻa i ka hāʻawi ʻana i kā mākou mea kūʻai aku i nā hopena maikaʻi loa. Kūleʻa mākou i ka maikaʻi a me ka hana hou a ke kūpaʻa nei mākou e hālāwai me nā pono o kā mākou mea kūʻai aku a ʻoi aku ka nui o kā lākou mau manaʻo.
I ka hōʻuluʻulu manaʻo, ʻo kā mākou S235 J0 spiral steel pipe a me A252 grade 3 paipu kila ka hopena o ka ʻenehana ʻokiʻoki a me ka hana akamai. Hāʻawi kēia mau huahana i ka hana like ʻole, e hoʻolilo iā lākou i koho kūpono no nā ʻano noi like ʻole. ʻO ke kūkulu ʻana, ʻoihana a i ʻole nā hana ʻenehana, ua hoʻolālā ʻia kā mākou spiral submerged arc welded pipes e hāʻawi i nā hopena ʻoi aku ka maikaʻi. E hilinaʻi i kā mākou ʻike a me kā mākou ʻike e hāʻawi iā ʻoe i nā paipu kila maikaʻi loa ma ka mākeke.
