Bututun Karfe na China da Bututu don Tufafin Matsi mai ƙarfi (Carbon, Alloy) Maƙera da Mai siyarwa

Bututun Karfe da Bututun Karfe Marasa Ƙarfe don Boilers Mai Matsi (Carbon, Alloy)

Takaitaccen Bayani:

Sumul karfe bututu amfani da high matsa lamba tukunyar jirgi ne wani irin tukunyar jirgi tube, wanda yana da m bukatun a kan karfe sa da fasaha amfani da yi na karfe tube.High-matsi tukunyar jirgi bututu ne sau da yawa amfani a high zafin jiki da kuma high matsa lamba yanayi, da bututu a high zafin jiki flue gas da ruwa tururi, hadawan abu da iskar shaka da kuma lalata.The karfe bututu ake bukata don samun high m ƙarfi, high hadawan abu da iskar shaka juriya da kuma kyau microstructure kwanciyar hankali.High matsa lamba tukunyar jirgi tube ne yafi amfani. don kera bututu mai zafi, bututu mai reheater, bututun ruwa, babban bututun tururi da sauransu na babban matsin lamba da tukunyar jirgi mai tsananin zafi.

Babban kayan su ne: ASTM / ASMEA-1, B, T22 / T22, T2 / P2 da sauransu, da aiki zafin jiki ne 450 ℃-650 ℃

Biya:30% ajiya, 70% L / C ko B / L kwafin ko 100% L / C a gani

Min. Yawan oda:1 PC

Ikon bayarwa:Tons 20000 na Ƙarfe na Bututun Karfe na shekara

Lokacin Jagora:7-14 kwanaki idan a stock, 30-45 kwanaki don samar

Shiryawa:Black Vanishing, bevel da hula ga kowane bututu guda; OD da ke ƙasa da 219mm yana buƙatar tattarawa a cikin dam, kuma kowane buɗaɗɗen bai wuce tan 2 ba.

Aika mana imel Zazzage azaman PDF

Cikakken Bayani

Tags samfurin

Dubawa

Misali: GB/T5310-2017

Rukunin Daraja: 20G, 20MnG, 25MnG, da dai sauransu

Kauri: 1-100 mm

Diamita na waje (Zagaye): 10 - 1200 mm

Tsawon: Kafaffen tsayi ko tsayin bazuwar (6-12m)

Siffar Sashe: Zagaye

Wurin Asalin: China

Takaddun shaida: ISO9001:2008

Alloy Ko Ba: Alloy

Aikace-aikace: Boiler Pipe

Surface Jiyya: A matsayin abokin ciniki ta bukata

Fasaha: Hot Rolled

Maganin zafi: Annealing / normalizing

Bututu na Musamman: Bututun tukunyar jirgi

Anfani: Boiler da Heat Exchanger

Gwaji: ECT/UT/Hydrau Static

Aikace-aikace

An yafi amfani da shi don yin high quality carbon tsarin karfe, gami tsarin karfe da bakin zafi-resistant karfe sumul karfe bututu ga high matsa lamba da kuma sama tururi tukunyar jirgi bututu.

Yafi amfani da high matsa lamba da kuma high zafin jiki sabis na tukunyar jirgi (Superheater tube, reheater tube, iska jagora tube, babban tururi tube ga high da matsananci high matsa lamba boilers). Karkashin aikin iskar gas mai zafi mai zafi da tururin ruwa, bututun zai oxidize kuma ya lalata. Ana buƙatar cewa bututun ƙarfe yana da tsayi mai tsayi, babban juriya ga oxidation da lalata, da kwanciyar hankali mai kyau.

Babban Daraja

Grade na high quality-carbon tsarin karfe: 20g, 20mng, 25mng

Grade na gami tsarin karfe: 15mog, 20mog, 12crmog, 15crmog, 12cr2mog, 12crmovg, 12cr3movsitib, da dai sauransu

Grade na tsatsa-resistant zafi-resistant karfe: 1cr18ni9 1cr18ni11nb

Abubuwan Sinadari

Daraja	inganci Class	Kayan Kimiyya
		C	Si	Mn	P	S	Nb	V	Ti	Cr	Ni	Cu	Nd	Mo	B	Als"
		bai fi ba														ba kasa da
Q345	A	0.20	0.50	1.70	0.035	0.035				0.30	0.50	0.20	0.012	0.10	-	-
	B				0.035	0.035
	C				0.030	0.030	0.07	0.15	0.20							0.015
	D	0.18			0.030	0.025
	E				0.025	0.020
Q390	A	0.20	0.50	1.70	0.035	0.035	0.07	0.20	0.20	0.3.	0.50	0.20	0.015	0.10	-	-
	B				0.035	0.035
	C				0.030	0.030										0.015
	D				0.030	0.025
	E				0.025	0.020
Q420	A	0.20	0.50	1.70	0.035	0.035	0.07	0.2.	0.20	0.30	0.80	0.20	0.015	0.20	-	-
	B				0.035	0.035
	C				0.030	0.030										0.015
	D				0.030	0.025
	E				0.025	0.020
Q460	C	0.20	0.60	1.80	0.030	0.030	0.11	0.20	0.20	0.30	0.80	0.20	0.015	0.20	0.005	0.015
	D				0.030	0.025
	E				0.025	0.020
Q500	C	0.18	0.60	1.80	0.025	0.020	0.11	0.20	0.20	0.60	0.80	0.20	0.015	0.20	0.005	0.015
	D				0.025	0.015
	E				0.020	0.010
Q550	C	0.18	0.60	2.00	0.025	0,020	0.11	0.20	0.20	0.80	0.80	0.20	0.015	0.30	0.005	0.015
	D				0.025	0,015
	E				0.020	0.010
Q620	C	0.18	0.60	2.00	0.025	0.020	0.11	0.20	0.20	1.00	0.80	0.20	0.015	0.30	0.005	0.015
	D				0.025	0.015
	E				0.020	0.010
Ban da maki Q345A da Q345B, karfe ya kamata ya ƙunshi aƙalla ɗaya daga cikin abubuwan da aka tace Al, Nb, V, da Ti. Dangane da buƙatun, mai siyarwa zai iya ƙara ɗaya ko fiye da abubuwan hatsi masu ladabi, matsakaicin ƙimar Ya kamata ya dace da buƙatun a cikin tebur. Lokacin da aka haɗa Nb + V + Ti <0.22% °Na Q345, Q390, Q420 da Q46O maki, Mo + Cr <0.30% fiye da 0.30%; lokacin da ake buƙatar ƙarawa, abun ciki ya kamata ya dace da abubuwan da ke cikin tebur ko kuma mai sayarwa da mai siye su ƙayyade ta hanyar shawarwari. ba za a yi ba. Idan an ƙara Al, Nb, V, Ti da sauran abubuwan haɗin gwal tare da ƙayyadaddun nitrogen a cikin ƙarfe, abun ciki na nitrogen bai iyakance ba. Ya kamata a ƙayyade abun ciki na gyaran nitrogen a cikin takardar shaidar inganci.'Lokacin da ake amfani da duk aluminum, jimlar abun ciki na aluminum AIt ^ 0.020% B

Kayan Injiniya

No	Daraja	Kayan Injiniya
		Tashin hankali MPa	yawa MPa	Tsawa L/T	Tasiri (J) A tsaye/ A kwance	Hannun hannu HB
1	20G	410- 550	≥ 245	24/22%	40/27	-
2	20MnG	415- 560	≥ 240	22/20%	40/27	-
3	25MnG	485- 640	≥ 275	20/18%	40/27	-
4	15MoG	450- 600	≥ 270	22/20%	40/27	-
6	12CrMoG	410- 560	≥ 205	21/19%	40/27	-
7	15CrMoG	440- 640	≥ 295	21/19%	40/27	-
8	12Cr2MoG	450- 600	≥ 280	22/20%	40/27	-
9	12Cr1MoVG	470- 640	≥ 255	21/19%	40/27	-
10	12Cr2MoWVTiB	540- 735	≥ 345	18/-%	40/-	-
11	10Cr9Mo1VNbN	≥ 585	≥ 415	20/16%	40/27	≤ 250
12	10Cr9MoW2VNbBN	≥ 620	≥ 440	20/16%	40/27	≤ 250

Hakuri

Kaurin bango da Diamita na Waje:

Idan babu buƙatu na musamman, bututu zai zama isarwa azaman diamita na waje na al'ada da kaurin bango na al'ada. Kamar yadda takardar ta biyo baya

Nadi nadi	Hanyar samarwa	Girman bututu			Hakuri
					Matsayi na al'ada	Babban daraja
WH	Hot Rolled (extrude) bututu	Diamita na waje na al'ada (D) ba	<57		0.40	± 0,30
			57 ~ 325	SW35	± 0.75% D	± 0.5% D
				S>35	± 1% D	± 0.75% D
			> 325 ~ 6.		+ 1% D ko + 5. Dauki ƙaramin 一2
			>600		+ 1% D ko + 7, Dauki ƙarami ɗaya 一2
		Kaurin bango na al'ada (S)	<4.0		±\|・丨）	± 0.35
			> 4.0-20		+ 12.5% S	± 10% S
			>20	DV219	± 10% S	± 7.5% S
				心219	+ 12.5% S -10% S	土10% S

WH	Thermal fadada bututu	Diamita na waje na al'ada (D)	duka	± 1% D	± 0.75%
WH	Thermal fadada bututu	Kaurin bango na al'ada (S)	duka	+ 20% S -10% S	+ 15% S -io%s
WC	Zane mai sanyi (birgima) Ppipe	Diamita na waje na al'ada (D)	<25.4	±'L1j	-
			> 25.4 〜 4 ()	± 0.20
			> 40 ~ 50	\|: 0.25	-
			> 50 ~ 60	± 0.30
			>60	± 0.5% D
		Kaurin bango na al'ada (S)	<3.0	± 0.3	± 0.2
		Kaurin bango na al'ada (S)	> 3.0	S	± 7.5% S

Tsawon:

A saba tsawon karfe bututu ne 4 000 mm ~ 12 000 mm. Bayan shawarwari tsakanin mai sayarwa da mai siye, da kuma cika kwangilar, ana iya isar da bututun ƙarfe tare da tsayi fiye da 12 000 mm ko ya fi guntu ni 000 mm amma ba ya fi guntu 3 000 mm; gajeren tsayi Yawan bututun ƙarfe da bai wuce 4,000 mm ba amma ƙasa da 3,000 mm ba zai wuce 5% na adadin bututun ƙarfe da aka kawo ba.

Nauyin bayarwa:
Lokacin da aka isar da bututun ƙarfe gwargwadon diamita na waje da kauri na bango mara kyau ko diamita na ciki da kauri maras tushe, ana isar da bututun ƙarfe gwargwadon nauyin na ainihi. Hakanan za'a iya isar da shi gwargwadon nauyin ma'auni.
Lokacin da aka isar da bututun ƙarfe gwargwadon diamita na waje da mafi ƙarancin kauri, ana isar da bututun ƙarfe gwargwadon nauyin gaske; bangarorin samar da bukatu suna tattaunawa. Kuma an nuna a cikin kwangilar. Hakanan za'a iya isar da bututun ƙarfe bisa ga nauyin ma'auni.

Haƙurin nauyi:
Dangane da buƙatun mai siye, bayan shawarwari tsakanin mai siye da mai siye, kuma a cikin kwangilar, ɓacin rai tsakanin ainihin nauyi da nauyin ma'auni na bututun ƙarfe na isar da bututu zai cika waɗannan buƙatu:
a) Bututun ƙarfe guda ɗaya: ± 10%;
b) Kowane tsari na bututun ƙarfe tare da ƙaramin girman 10 t: ± 7.5%.

Bukatar Gwaji

Gwajin Ruwa:

Yakamata a gwada bututun karfe ta hanyar ruwa daya bayan daya. Matsakaicin gwajin gwajin shine 20 MPa. A ƙarƙashin gwajin gwajin, lokacin tabbatarwa bai kamata ya zama ƙasa da 10 s ba, kuma bututun ƙarfe bai kamata ya zube ba.

Bayan mai amfani ya yarda, ana iya maye gurbin gwajin na'ura mai aiki da karfin ruwa ta gwajin eddy na yanzu ko gwajin kwararar ruwan maganadisu.

Gwajin mara lalacewa:

Bututun da ke buƙatar ƙarin dubawa ya kamata a bincikar ultrasonically daya bayan ɗaya. Bayan tattaunawar tana buƙatar izinin ƙungiyar kuma an ƙayyade a cikin kwangilar, ana iya ƙara wasu gwaje-gwaje marasa lalacewa.

Gwajin Lalacewa:

Tubes tare da diamita na waje fiye da 22 mm za a yi gwajin gwaji. Kada a ganuwa, fararen tabo, ko ƙazanta da ya kamata su faru yayin duk gwajin.

Gwajin Fitowa:

Dangane da bukatun mai siye kuma an bayyana a cikin kwangilar, bututun ƙarfe tare da diamita na waje ≤76mm da kauri bango ≤8mm ana iya yin gwajin flaring. Anyi gwajin a dakin da zafin jiki tare da taper na 60 °. Bayan flaring, ƙimar ƙimar diamita na waje ya kamata ya dace da buƙatun tebur mai zuwa, kuma kayan gwajin ba dole ba ne su nuna fashe ko rips.

Nau'in Karfe	Matsakaicin diamita na waje na bututun ƙarfe /%
	Diamita na Ciki/Mai Girma
	<0.6	0.6 zuwa 0.8	> 0.8
High quality-carbon tsarin karfe	10	12	17
Tsarin gami karfe	8	10	15
• Ana ƙididdige diamita na ciki don samfurin.