Paipu ʻia ʻo Spiral Welded Carbon Steels No ka Paipu Laina Wai
1. E hoʻomaopopo i ka paipu kila carbon welded spiral:
Paipu kila wiliwili wiliwili ʻiaua hana ʻia a wili ʻia mai nā wili kila.ʻO ke kaʻina hana kūʻokoʻa e ʻoi aku ka ikaika a me ka lōʻihi o kēia mau paipu, hiki ke kū i nā kaomi kiʻekiʻe o loko a me waho.ʻO ka hiki ke pale aku i ka corrosion a me ka deformation i kūpono no ka nui o nā noi, me nā paipu wai a me nā paipu metala.
Kūlana | Papa kila | haku mele | Nā waiwai tensile | ʻO ka hoʻāʻo ʻana o Charpy Impact a me Drop Weight Tear Test | ||||||||||||||
C | Si | Mn | P | S | V | Nb | Ti | CEV4)(%) | Rt0.5 Mpa Hua ikaika | Rm Mpa Ikaika Tensile | Rt0.5/ Rm | (L0=5.65 √ S0 )Hooloihi A% | ||||||
max | max | max | max | max | max | max | max | 'ē aʻe | max | min | max | min | max | max | min | |||
L245MB | 0.22 | 0.45 | 1.2 | 0.025 | 0.15 | 0.05 | 0.05 | 0.04 | 1) | 0.4 | 245 | 450 | 415 | 760 | 0.93 | 22 | ʻO ka hoʻāʻo ʻana i ka hopena Charpy: E hoʻāʻo ʻia ka hopena o ka ikehu o ke kino paipu a me ka weld seam e like me ka mea i koi ʻia ma ke kūlana kumu.No nā kikoʻī, e ʻike i ke kūlana kumu.Hoʻāʻo waimaka kaumaha kaumaha: Wahi ʻāhi koho | |
GB/T9711-2011(PSL2) | L290MB | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.4 | 290 | 495 | 415 | 21 | |||
L320MB | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.41 | 320 | 500 | 430 | 21 | ||||
L360MB | 0.22 | 0.45 | 1.4 | 0.025 | 0.015 | 1) | 0.41 | 360 | 530 | 460 | 20 | |||||||
L390MB | 0.22 | 0.45 | 1.4 | 0.025 | 0.15 | 1) | 0.41 | 390 | 545 | 490 | 20 | |||||||
L415MB | 0.12 | 0.45 | 1.6 | 0.025 | 0.015 | 1)2)3 | 0.42 | 415 | 565 | 520 | 18 | |||||||
L450MB | 0.12 | 0.45 | 1.6 | 0.025 | 0.015 | 1)2)3 | 0.43 | 450 | 600 | 535 | 18 | |||||||
L485MB | 0.12 | 0.45 | 1.7 | 0.025 | 0.015 | 1)2)3 | 0.43 | 485 | 635 | 570 | 18 | |||||||
L555MB | 0.12 | 0.45 | 1.85 | 0.025 | 0.015 | 1)2)3 | Kūkākūkā | 555 | 705 | 625 | 825 | 0.95 | 18 | |||||
Nānā: | ||||||||||||||||||
1)0.015 ≤ Altot < 0.060;N ≤ 0.012;AI—N ≥ 2—1;Cu ≤ 0.25;Ni ≤ 0.30;Cr ≤ 0.30;Cr ≤ 0.30; | ||||||||||||||||||
2)V+Nb+Ti ≤ 0.015% | ||||||||||||||||||
3)No nā māka kila a pau, hiki iā Mo ≤ 0.35%, ma lalo o kahi ʻaelike. | ||||||||||||||||||
ʻO Mn Cr+Mo+V Cu+Ni 4)CEV=C+ 6 + 5 + 5 |
2. Paipu laina wai:
Ma nā ʻōnaehana hoʻohele wai, he mea koʻikoʻi ka lawe ʻana i ka wai maʻemaʻe me ka palekana.Ua hōʻike ʻia ʻo Spiral welded carbon steel pipe he koho hilinaʻi no nā paipu wai ma muli o kāna mau waiwai pale.ʻO ka ʻili maʻemaʻe o kēia mau paipu e hōʻemi i ka friction, e hōʻoia i ka kahe mau o ka wai a e hōʻemi i ka haunaele.Hoʻohui ʻia, ʻo ka ikaika maoli a me ka lōʻihi e hōʻoiaʻiʻo ai i ka pale ʻana i nā leaks, nā haʻihaʻi, a me nā hemahema o ke kūkulu ʻana, e hōʻoiaʻiʻo ana i ka hoʻomau ʻana o ka wai kūpono.
3. wiliwili metala paipu:
Ke hilinaʻi nui nei ka ʻoihana hoʻoheheʻe ʻana i ka paipu kila carbon welded spiral no nā noi like ʻole.ʻO ka ikaika a me ka maʻalahi o kēia mau paipu i kūpono ia no ka wili paipu metala.Inā paha e kūkulu ana i nā pahu pahu nui, nā paipu e lawe ai i ka aila a me ke kinoea, a i ʻole nā mea i kūkulu ʻia i loko o nā ʻoihana ʻenehana, he mea koʻikoʻi nā paipu kalapona welded spiral.ʻO ke kūlike o nā hui welded e hōʻoia i ka hilinaʻi a me ka palekana o ka hale, e hōʻemi ana i ka pono no ka mālama pinepine a hoʻoponopono paha.
4. Nā pono a me nā pono:
4.1 Hoʻoponopono kumu kūʻai: Hāʻawi ka Spiral welded carbon steel pipe i kahi hopena kūpono no ka paipu wai a me ka paipu metala.ʻO kā lākou kūpaʻa a me ka pale ʻana i ka corrosion e hōʻoia i ka lōʻihi o ka lawelawe ʻana, no laila e hōʻemi ana i nā kumukūʻai pani a mālama.
4.2 Maʻalahi e hoʻouka: ʻO ka ʻenehana wiliwili spiral i hoʻohana ʻia i ke kaʻina hana hiki ke hana i nā paipu lōʻihi a hoʻomau, e hōʻemi ana i ka pono o nā hui pinepine.ʻO kēia hoʻolālā streamlined e maʻalahi i ke kaʻina hana, mālama i ka manawa a me ka hoʻoikaika.
4.3 Versatility: Loaʻa nā paipu kila carbon welded spiral i nā ʻano anawaena a me nā mānoanoa, e ʻae iā lākou e hoʻololi ʻia i nā noi like ʻole.Hiki iā lākou ke hoʻonohonoho ponoʻia e hoʻokō i nā koi o ka papahana kūikawā, e hoʻololi i nāʻano wai likeʻole, nā kaomi a me nā mahana.
4.4 Palekana kaiapuni: ʻO ke kila kalapona kahi mea hiki ke hoʻohana hou ʻia e kōkua i ka hoʻomau ʻana o ke kaiapuni.Hiki ke hana hou ʻia a hoʻohana hou ʻia nā paipu kalapona i hoʻopaʻa ʻia, e hōʻemi ana i ka ʻōpala a me ka pale ʻana i nā kumuwaiwai kūlohelohe.
I ka hopena:
ʻO nā mea hiki a me nā pono o nā paipu kila kalapona i hoʻopaʻa ʻia i ka paipu wai awili paipu metalahiki ole ke hoowahawaha.ʻO ka hoʻololi maikaʻi a me ka hilinaʻi o ka wai a me nā wai ʻoihana e hilinaʻi nui i ko lākou paʻa, pale ʻana i ka corrosion a me ka maʻalahi o ke kau ʻana.Ke piʻi mau nei ka pono o nā ʻenehana ikaika a me nā kumu kūʻai, e noho mau nā paipu kila carbon welded spiral i mea koʻikoʻi i ka hōʻoia ʻana i ka holo mālie o nā ʻōnaehana wai a me nā kaʻina hana ʻoihana a puni ka honua.