Paipu kila huila ʻia no ka ikaika like ʻole a me ka maikaʻi ʻo ASTM A252
Hoʻolauna:
I ka wā e pili ana i ka hoʻomohala ʻana i nā ʻōnaehana, ʻo nā ʻōnaehana pipeline kahi mea koʻikoʻi e hana nui i nā ʻoihana like ʻole.ʻO ka hoʻohana ʻana i nā mea pono a me nā ʻenehana i ka hana paipu e hōʻoia i ka lōʻihi, ka ikaika a me ka hilinaʻi, apaipu kila wiliwili spiral ASTM A252aia ma ke alo o kēia holomua ʻenehana.Ma kēia moʻomanaʻo, e nānā pono mākou i nā ʻano maikaʻi a me nā pono o kēia mau paipu kupaianaha i lilo i mea nui i nā hana kūkulu hou.
Na Pono Mechanical o ka Pipe SSAW
kila kila | ikaika hua liʻiliʻi | ka palena iki tensile ikaika | ʻO ka lōʻihi liʻiliʻi |
B | 245 | 415 | 23 |
X42 | 290 | 415 | 23 |
X46 | 320 | 435 | 22 |
X52 | 360 | 460 | 21 |
X56 | 390 | 490 | 19 |
X60 | 415 | 520 | 18 |
X65 | 450 | 535 | 18 |
X70 | 485 | 570 | 17 |
Ka Hana Kemika o na Paipu SSAW
kila kila | C | Mn | P | S | V+Nb+Ti |
Max % | Max % | Max % | Max % | Max % | |
B | 0.26 | 1.2 | 0.03 | 0.03 | 0.15 |
X42 | 0.26 | 1.3 | 0.03 | 0.03 | 0.15 |
X46 | 0.26 | 1.4 | 0.03 | 0.03 | 0.15 |
X52 | 0.26 | 1.4 | 0.03 | 0.03 | 0.15 |
X56 | 0.26 | 1.4 | 0.03 | 0.03 | 0.15 |
X60 | 0.26 | 1.4 | 0.03 | 0.03 | 0.15 |
X65 | 0.26 | 1.45 | 0.03 | 0.03 | 0.15 |
X70 | 0.26 | 1.65 | 0.03 | 0.03 | 0.15 |
ʻO ka hoʻomanawanui Geometric o nā paipu SSAW
Nā hoʻomanawanui geometric | ||||||||||
anawaena waho | Mānoanoa pā | pololei | waho o ka poepoe | nuipaʻa | ʻO ke kiʻekiʻe o ka weld bead kiʻekiʻe | |||||
D | T | |||||||||
≤1422mm | >1422mm | <15mm | ≥15mm | ka hopena paipu 1.5m | piha loa | kino paipu | paipu hope | T≤13mm | T>13mm | |
±0.5% | e like me ka aelike | ± 10% | ±1.5mm | 3.2mm | 0.2% L | 0.020D | 0.015D | '+10% | 3.5mm | 4.8mm |
Hoʻāʻo Hydrostatic
Ka ikaika ʻole a me ka lōʻihi:
ASTM A252paipu kila wiliwili ʻiahana ʻia me ke kila kiʻekiʻe e kū ana i nā kūlana ASTM A252.ʻO ka maʻamau e hōʻoiaʻiʻo i ka ikaika a me ka lōʻihi o nā paipu, e kūpono iā lākou no nā ʻano noi like ʻole me ka lawe ʻana i ka aila a me ke kinoea, nā kumu piling a me nā ʻōnaehana wai.Hoʻonui ʻia nā welds spiral i ka ikaika a me ke kūʻē ʻana o nā paipu i nā ikaika o waho, e hōʻoiaʻiʻo ana hiki iā lākou ke kūpaʻa i nā kaiapuni kiʻekiʻe a me nā kūlana ʻino.
ʻO ka maikaʻi maikaʻi loa a me ke kumukūʻai:
ʻO kekahi o nā pono nui o ka ASTM A252 spiral welded steel pipe ʻo ia kona ʻoi aku ka maikaʻi o ka hoʻokomo ʻana a me ka hoʻohana ʻana.He maʻalahi kona hoʻolālā spiral i ka lawe ʻana a me ka mālama ʻana ma muli o kona kaumaha māmā i hoʻohālikelike ʻia me nā mea paipu ʻē aʻe.Hoʻohui ʻia, ʻo ka maʻalahi o kēia mau paipu e hoʻomaʻamaʻa i ka piʻi ʻana, e hōʻemi ana i nā koi no nā pono a me nā hono.ʻAʻole wale kēia e mālama i ka manawa, hoʻemi nui hoʻi ia i nā kumukūʻai hoʻonohonoho, e hana ana i kēia ʻano ductwork i kumu kūʻai kūpono no nā ʻano papahana like ʻole.
Hoʻonui i ka pale ʻana i ka corrosion:
He pilikia nui ka corrosion i nā ʻōnaehana paipu, ʻoi aku hoʻi i nā ʻoihana e mālama i nā kemika a me nā mea ʻino.ʻO ka maʻamau ASTM A252 e hōʻoia i ka hōʻike ʻana o nā paipu kila welded spiral i ke kūpaʻa maikaʻi loa.Loaʻa i kēia mau paipu nā pale pale e like me ka epoxy a i ʻole ka zinc e hana i mea e pale ai i nā mea hana corrosive, e hoʻolōʻihi i ko lākou ola lawelawe a hōʻemi i nā kumukūʻai mālama.He mea maikaʻi loa kēia hiʻohiʻona ma lalo o ka ʻāina a i ʻole nā mea hoʻohana i waho kahi e ʻike ʻia ai nā paipu i nā kūlana kūlohelohe koʻikoʻi.
ʻoi aku ka nui o ka lawe ʻana:
ʻO kekahi hiʻohiʻona koʻikoʻi o ka ASTM A252 spiral welded steel pipe ʻo ia kona kūlana haʻahaʻa haʻahaʻa maikaʻi loa.ʻO ka ʻenehana hoʻoheheʻe spiral i hoʻohana ʻia i ke kaʻina hana e hoʻonui ai i ka ikaika o ka paipu a me ka hiki ke kū i nā ukana kaumaha.Inā hoʻohana ʻia i ke kūkulu ʻana i ke alahaka, nā kumu hoʻokumu a i ʻole nā paipu lalo, hāʻawi kēia mau paipu i ka kūpaʻa o ke kūkulu ʻana, e hōʻemi ana i ka hopena o ka hāʻule ʻole a me ka hōʻoia ʻana i ka palekana lōʻihi o nā ʻano papahana like ʻole.
Hoʻomau kaiapuni:
I ka wā e pili ana ka mālama ʻana i ke kaiapuni, he mea koʻikoʻi ke koho ʻana i nā mea kūkulu hale kūpono.Hoʻopili ʻo Spiral welded steel pipe ASTM A252 i nā hana kūkulu hale hoʻomau ma muli o kona lōʻihi a me ka hana hou.He lōʻihi ke ola o nā paipu a hiki ke hoʻohana hou ʻia i ka hopena o ko lākou ola ʻana, e hōʻemi ana i ka pono no ka ʻili ʻana i nā mea hou me ka hoʻemi ʻana i nā ʻōpala a me nā kalapona.
I ka hopena:
Ua hoʻololi hou ʻo Spiral welded steel pipe ASTM A252 i ka ʻoihana paipu me kona ikaika kiʻekiʻe, kūpaʻa a me ka uku-pono.Hoʻokō a ʻoi paha kēia mau paipu i nā kūlana o ka ʻoihana, e hoʻolilo iā lākou i koho mua ma nā ʻoihana lehulehu.ʻO kona kūlana haʻahaʻa haʻahaʻa maikaʻi loa a me ka pale ʻana i ka corrosion e hōʻoiaʻiʻo i ka hoʻomohala mau ʻana o nā papahana ʻoihana a kōkua i ka holomua o ka ʻoihana honua.Ma ka hoʻohana ʻana i kēia mau paipu, hiki i nā papahana kūkulu ke hoʻonui i ka pono, hōʻemi i nā kumukūʻai a hōʻoia i ka hilinaʻi lōʻihi i ka wā e pili ana i ka hoʻomau ʻana i ke kaiapuni.