L245 pipeline kila Mea hana kila ʻoihana

L245 pipeline kila Mea hana kila kila Featured Image

ʻO ka wehewehe pōkole:

ʻAno:holoʻokoʻa

Material:kila kohu ʻole

Hoʻohana:ka lawe ʻana i ka paipu, ka pipeline hydraulic/automobile, ʻoihana mīkini, ʻoihana kemika, mining, hoʻonani hale

ʻAno ʻāpana:poepoe

ʻO ka mānoanoa pā o ke keʻena:3.5mm-75mm

Anawaena waho:10 mm - 500 mm

Hoʻopili ʻana i ka hoʻouna ʻana:paʻi kūʻai maʻamau

E hoʻouna i ka leka uila iā mākou

Huahana Huahana

L245 Pipeline Steel, He paipu maʻamau ia e lawe ai i ka aila, ke kinoea, a me ka wai mai loko mai o ka lepo a hāʻawi i ka ʻoihana ʻaila a me ka ʻea.ʻO ka paipu paipu i loko o ka paipu maʻemaʻe a me ka paipu kila welded, ʻo ka ʻaoʻao o ka paipu he ʻaoʻao palahalaha, ka hopena wili a me ka hopena kumu;ʻO ke ʻano hoʻohui ʻo ia ka hoʻopau ʻana i ka welding, ka hoʻopaʻa ʻana i ka hoop, ka pilina socket a pēlā aku

Me ka hooulu ana o ka pipeline kila papa enehana a me ka holomua o welded paipu hana, kuʻihao 'enehana, ka palapala noi laula o ka paipu me welded paipu i loko o ka mālie hoʻonui, o ka oi aku i loko o ka nui anawaena welded paipu papa laula pono oi maopopo, a me ke kumu kūʻai. welded paipu ua dominant i loko o ke kula o ka laina paipu, i kaupalena 'ia ka ulu ana o kuhiliʻole kila seamless kila laina paipu.I ka makahiki 2004, he 400,000 t ka hopena o ka pipeline seamless, ʻo X42-70 ka pae kila, a ʻo nā ʻano ʻano he paipu ma kahakai a me ka pipeline submarine.

L245 Pipeline Steel，Microalloying hoʻohana kaʻina hana i hoʻohana ʻia i ka hana ʻana, ʻoi aku ka kiʻekiʻe o ke kumukūʻai o ke kila kila ma mua o ka paipu welded, a me ka hoʻomaikaʻi ʻana i ka pae kila, e like me X80 a ma luna o ka palena o ka pipeline pipeline ma luna o ka carbon equivalent, ʻo ke kaʻina hana maʻamau o ka tube seamless he paʻakikī ke hoʻokō i nā koi o nā mea hoʻohana;Ke hana nei kēlā me kēia 12Cr1moV alloy pipe i nā hana noiʻi ʻepekema i mea e hoʻomaikaʻi ai i ke kūpaʻa corrosion o kāna paipu pipeline a me ka hana paʻa i ka haʻahaʻa haʻahaʻa a kiʻekiʻe.

Mea paipu:L245, L360, A53, J55, N80, X42, X46, X52, X56, X60, X65, X70

Nā kikoʻī paipu:∮60-630×1.53-40

L245 Pipeline Steel, He ratio o ka hoʻonā

ʻO ka ʻike ʻana o Eddy o Changsha pipeline i pili wale i nā mea conductive.Inā hoʻohana ʻia nā mea hana ʻole, ʻaʻole hiki ke hoʻoulu ʻia ke ʻano vortex a ʻaʻole hiki ke hoʻohana ʻia ke au eddy no ka ʻike.ʻOi aku ka maikaʻi o ka hoʻāʻo ʻana o Eddy i kēia manawa no ka hoʻāʻo ʻana i ka ʻili a kokoke i ka ʻili o nā mea conductive.ʻAʻole pono ka hoʻāʻo ʻana o Eddy i nā hui.ʻO ke kahua electromagnetic hauʻoli i ka hoʻāʻo ʻana i kēia manawa he hawewe electromagnetic me nā ʻano hawewe a me nā ʻāpana, no laila hiki ke hoʻoili ʻia ka probe (coil) a me ka mea hana me ka ʻole o ka hui ʻana, no laila hiki ke hoʻokō ʻia ka ʻike ʻole.ʻOi aku kēia ma mua o ka ʻike ultrasonic.No ka mea, he hawewe mechanical ka hawewe kani ultrasonic o ka paipu paila ha'aha'a, hiki ke hele wale ma o ka mea.No laila, pono e hui pū ʻia ka ʻike kani ultrasonic ma waena o ka probe a me ka mea hana.Hiki i ka hoʻāʻo ʻana o Eddy ke hoʻokō i ka hoʻāʻo wikiwiki a me ka hoʻāʻo.Hiki ke kūpono i ka hoʻāʻo ʻana o Eddy i kēia manawa no ka ʻike ʻana i nā metala wela kiʻekiʻe ma muli o kā lākou conductivity uila i nā wela kiʻekiʻe.He kūpono hoʻi ka ʻike ʻana o ka pipeline ʻo Changsha no ka ʻike ʻana i nā mea hana kūikawā, ʻoiai ke hana ʻia ka coil i nā ʻano like ʻole.Hoʻohana maʻamau i nā mea paipu he brinell, rockwell, Vickers hardness 3 ʻano.ʻO ka paipu ʻo Changsha "Pipa kila maʻemaʻe no ka paila haʻahaʻa haʻahaʻa a waena".Aia he 43 mau ʻano o ka changsha pipeline kikoʻī no nā ʻano ʻano boiler a pau, me nā anawaena o 10 ~ 426mm.He 29 mau ʻano o ka mānoanoa pā mai 1.5 mm a i 26mm.Eia naʻe, ʻo ke anawaena o waho a me ka mānoanoa o ka pā o ka paipu mahu wela nui, ka paipu uwahi nui, ka paipu uwahi liʻiliʻi a me ka paipu pōhaku lepo i hoʻohana ʻia i loko o ka paila locomotive.ʻO ke anawaena o waho o ka pipeline changsha he 22 ~ 530mm, a ʻo ka mānoanoa o ka pā he 20 ~ 70mm.Anuanu huki (anu olokaa) paipu anawaena 10 ~ 108mm, paia mānoanoa 2.0 ~ 13.0mm.ʻO ka maikaʻi o ka hiʻohiʻona: ʻaʻole ʻae ʻia nā māwae, ka pelu ʻana, ka ʻōwili, ka ʻili, ka hoʻokaʻawale ʻana a me nā wrinkles ma ka ʻaoʻao o loko a me waho o ka paipu kila.Pono e hoopau loa ia keia mau hemahema.ʻAʻole ʻoi aku ka hohonu o ka hoʻomaʻemaʻe ma mua o ka ʻae ʻole ʻana o ka mānoanoa o ka paia nominal, a ʻo ka mānoanoa maoli o ka pā ma ka ʻae ʻana ʻaʻole e emi iho ma mua o ka mānoanoa o ka pā i ʻae ʻia.ʻO ke kī ʻo ka hoʻohana ʻana i nā ʻano like ʻole e like me nā kūlana like ʻole, e like me ka hoʻohana ʻana i nā mea adiabatic a me nā mea refractory e pale ai i ka lapalapa ʻana mai ka puhi ʻana i ka hale kila, e hōʻemi i ka wikiwiki o ka hoʻololi ʻana i ka wela a me ka hoʻopaneʻe ʻana i ka manawa o ka piʻi ʻana o ka mahana a me ka nāwaliwali ʻana o ka hale kila. .Akā ʻo kēlā me kēia ʻano hana, ua like ka loina.ʻO ka uhi pale ahi kahi ʻano ʻenehana pale ahi ʻoi aku ka holomua i kēia manawa.Ma muli o ka hopena o nā mea haumia i ka maikaʻi o ka paipu paipu Changsha, nā huahana kiʻekiʻe nā koi koʻikoʻi i ka mālama ʻana i nā mea ʻino a me nā hoʻokomo ʻana i ka paipu paipu Changsha.Pono e hoʻomalu i ka ʻike o nā mea haumia like ʻole ma kahi haʻahaʻa haʻahaʻa e like me ka hiki, a ʻo ke kaʻina hana hoʻomaʻemaʻe ma waho o ka umu e hoʻohana pinepine ʻia i ka hana e hōʻoia i kona maʻemaʻe.ʻO ka mahana wela o ka paila paila ma lalo o 350 ℃, hana nui ʻia ka paipu home no ka no.10, 20 carbon paʻa kila Changsha paipu a i ʻole ka paipu huki anu.

Hoʻohui Kimia

L245 Pipeline Steel, Ka helu helu kaumaha :[(anawaena o waho - mānoanoa o ka paia)* mānoanoa o ka paia]*0.02466=kg/m (kaumaha no ka mika)

ʻO ka haku mele ʻana (haʻina nui)…/%															kalapona like (CEV) %
C	Si	Mn	P	S	Nb	V	Ti	Cr	Ni	Cu	N	Mo	B	Als
emi iho a like paha															emi iho a like paha
Q345	A	0.2	0.5	1.7	0.035	0.035				0.3	0.5	0.2	0.012	0.1			0.45
	B				0.035	0.035
	C				0.03	0.03	0.07	0.15	0.2							0.015
	D	0.18			0.03	0.025
	E				0.025	0.02
Q390	A	0.2	0.5	1.7	0.035	0.035	0.07	0.2	0.2	0.3	0.5	0.2	0.015	0.1			0.46
	B				0.035	0.035
	C				0.03	0.03										0.015
	D				0.03	0.025
	E				0.025	0.02
Q420	A	0.2	0.5	1.7	0.035	0.035	0.07	0.2	0.2	0.3	0.8	0.2	0.015	0.2			0.48
	B				0.035	0.035										0.015
	C				0.03	0.03
	D				0.03	0.025
	E				25	0.02
Q450	C	0.2	0.6	1.8	0.03	0.03	0.11	0.2	0.2	0.3	0.8	0.2	0.015	0.2	0.005	0.015	0.53
	D				0.03	0.025
	E				0.025	0.02