Nā Pōmaikaʻi o nā Paipu Kila A252 Papa 3 i hoʻohana ʻia i ke kūkulu ʻana i nā Paipu ʻAuwai a me ka ʻAila

Wehewehe Pōkole:

Paipu kila A252 Papa 3, i ʻike ʻia hoʻi ʻopaipu ʻāwili i hoʻoheheʻe ʻia i loko o ka wai, he koho kaulana ia no ke kūkulu ʻana i nā paipu ʻauwai a me ka ʻaila. Ua hoʻolālā ʻia kēia mau paipu e kū i nā kūlana koʻikoʻi a hāʻawi i nā pono he nui i kēia mau noi.

E leka uila mai iā mākou

Nā kikoʻī huahana

Nā Lepili Huahana

ʻO kekahi o nā pono nui oPaipu kila A252 Papa 3 ʻo ia kona ikaika a me ke kūpaʻa kūikawā. Hana ʻia kēia mau paipu me ke kila kiʻekiʻe a kūpaʻa loa i ka pala, ka ʻaʻahu a me ka hopena. ʻO kēia ka mea kūpono iā lākou no ka hoʻohana ʻana i nā paipu wai kahi e hiki ai ke hōʻike ʻia i nā mea pala a me nā ukana kaumaha. Eia kekahi, ʻo ko lākou ikaika a me ke kūpaʻa e kūpono ai lākou no ka hoʻohana ʻana i ke kūkulu ʻana i nā paipu aila, no ka mea, pono lākou e kū i nā kaomi kiʻekiʻe a me nā kūlana o ke kaiapuni e loli nei.

Kūlana Maʻamau	Papa kila	Nā ʻāpana kemika (%)						Waiwai Tensile						ʻO Charpy（ʻoki V） Hoʻāʻo hopena
		c	Mn	p	s	Si	ʻĒ aʻe	Ikaika Hāʻawi（Mpa）		Ikaika Hoʻopaʻa（Mpa）		（L0=5.65 √ S0）Ka wikiwiki o ke kīkoʻo ʻana o ka min （%）
		ka nui loa	ka nui loa	ka nui loa	ka nui loa	ka nui loa	ʻĒ aʻe	minuke	ka nui loa	minuke	ka nui loa	D ≤ 168.33mm	D ＞ 168.3mm
GB/T3091 -2008	Q215A	≤ 0.15	0.25 <1.20	0.045	0.050	0.35	Hoʻohui ʻia ʻo NbVTi e like me GB/T1591-94	215		335		15	> 31
	Q215B	≤ 0.15	0.25-0.55	0.045	0.045	0.035		215		335		15	> 31
	Q235A	≤ 0.22	0.30 <0.65	0.045	0.050	0.035		235		375		15	>26
	Q235B	≤ 0.20	0.30 ≤ 1.80	0.045	0.045	0.035		235		375		15	>26
	Q295A	0.16	0.80-1.50	0.045	0.045	0.55		295		390		13	>23
	Q295B	0.16	0.80-1.50	0.045	0.040	0.55		295		390		13	>23
	Q345A	0.20	1.00-1.60	0.045	0.045	0.55		345		510		13	>21
	Q345B	0.20	1.00-1.60	0.045	0.040	0.55		345		510		13	>21
GB/ T9711- 2011 （PSL1）	L175	0.21	0.60	0.030	0.030		Koho e hoʻohui i kekahi o nā mea NbVTi a i ʻole kekahi hui pū ʻana o lākou	175		310		27		Hoʻokahi a ʻelua paha o ka helu kuhikuhi paʻakikī hiki ke koho ʻia ka ikehu hopena a me ka wahi ʻokiʻoki. No L555, e nānā i ke kūlana maʻamau.
	L210	0.22	0.90	0.030	0.030			210		335		25
	L245	0.26	1.20	0.030	0.030			245		415		21
	L290	0.26	1.30	0.030	0.030			290		415		21
	L320	0.26	1.40	0.030	0.030			320		435		20
	L360	0.26	1.40	0.030	0.030			360		460		19
	L390	0.26	1.40	0.030	0.030			390		390		18
	L415	0.26	1.40	0.030	0.030			415		520		17
	L450	0.26	1.45	0.030	0.030			450		535		17
	L485	0.26	1.65	0.030	0.030			485		570		16
API 5L （PSL 1）	A25	0.21	0.60	0.030	0.030		No ke kila papa B, Nb+V ≤ 0.03%; no ke kila ≥ papa B, koho e hoʻohui iā Nb a i ʻole V a i ʻole kā lākou hui pū ʻana, a me Nb+V+Ti ≤ 0.15%	172		310		（L0=50.8mm）e lilo i helu ʻia e like me kēia haʻilula: e=1944·A0 .2/U0 .0 A: ʻĀpana o ka hāpana ma mm2 U: Ka ikaika tensile i kuhikuhi ʻia ma Mpa		ʻAʻohe a i ʻole kekahi a i ʻole nā mea ʻelua ka hopena ikehu a me ka ʻoki ʻana pono ka ʻāpana ma ke ʻano he ana hoʻoikaika.
	A	0.22	0.90	0.030	0.030			207		331
	B	0.26	1.20	0.030	0.030			241		414
	X42	0.26	1.30	0.030	0.030			290		414
	X46	0.26	1.40	0.030	0.030			317		434
	X52	0.26	1.40	0.030	0.030			359		455
	X56	0.26	1.40	0.030	0.030			386		490
	X60	0.26	1.40	0.030	0.030			414		517
	X65	0.26	1.45	0.030	0.030			448		531
	X70	0.26	1.65	0.030	0.030			483		565

ʻO kekahi pono o ka paipu kila A252 Grade 3 ʻo ia kona ʻano maʻalahi. Loaʻa kēia mau paipu i nā nui like ʻole a me nā mānoanoa, e kūpono ai no nā ʻano hana like ʻole. Inā paha e kūkulu ana i kahi hale liʻiliʻilaina ʻauwaia i ʻole kahi laina paipu aila nui, hiki ke hoʻopilikino maʻalahi ʻia ka paipu kila A252 Grade 3 e hoʻokō i nā koi papahana kikoʻī. Eia kekahi, hiki ke hana ʻia kēia mau paipu inā paipu kūkulu ʻāpana hakahaka, e hoʻonui hou aku ana i kā lākou hoʻohana ʻana i nā papahana kūkulu hale.

Ma waho aʻe o kona ikaika a me ka versatility, ua ʻike ʻia hoʻi ka paipu kila A252 Grade 3 no kona kumukūʻai kūpono. He maʻalahi ke kau ʻana i kēia mau paipu a ʻaʻole pono ka mālama pono ʻana, e hōʻemi ana i nā kumukūʻai papahana holoʻokoʻa. Eia kekahi, ʻo ko lākou ola lawelawe lōʻihi a me ke kūpaʻa ʻana i ka pala e hōʻoiaʻiʻo ana e hāʻawi lākou i kahi hoʻihoʻi ikaika ma ka hoʻopukapuka kālā no ka sewer a mepaipu ʻaila lainanā papahana kūkulu hale.

ʻO kekahi pono koʻikoʻi o ka paipu kila A252 Grade 3 ʻo ia kona kūlike me nā ʻano hana kūkulu like ʻole. Hiki ke hoʻokomo ʻia kēia mau paipu me ka hoʻohana ʻana i nā ʻano hana ʻeli kuʻuna a i ʻole nā ʻano hana trenchless e like me ka ʻeli ʻana i ke kuhikuhi ākea, ka hoʻopaʻa ʻana i ka paipu a i ʻole ka micro-tunneling. ʻAe kēia maʻalahi i ka hoʻokomo pono a me ke kumukūʻai kūpono i nā ʻano kaiapuni paʻakikī, me nā wahi kūlanakauhale, nā ala wai a me nā wahi koʻikoʻi o ke kaiapuni.

Ma keʻano holoʻokoʻa, hāʻawi ka paipu kila A252 Papa 3 i nā pono like ʻole no ke kūkulu ʻana i nā paipu ʻauwai a me ka petroleum. ʻO ko lākou ikaika, kūpaʻa, versatility a me ke kumukūʻai kūpono e kūpono ai lākou no kēia mau noi koi. Inā hoʻohana ʻia i loko o ke kūkulu ʻana i nā paipu ʻauwai a i ʻole ka ʻaila, hāʻawi kēia mau paipu i ka hana hilinaʻi a me ka waiwai lōʻihi. ʻO ka hopena, ʻo ia ka hopena o ke koho no nā ʻenekinia a me nā mea hana ʻaelike e ʻimi nei i nā hopena paipu paʻa a hilinaʻi hoʻi.

Ma mua: Nā paipu wili i hoʻopaʻa ʻia no ka laina kinoea kūlohelohe ma lalo o ka honua

Aʻe: Nā Pōmaikaʻi o ka Hoʻohana ʻana i nā Paipu Kila Kalapona Welded Spiral

E kākau i kāu leka ma aneʻi a hoʻouna mai iā mākou