Chitoliro cha Chitsulo cha ASTM A252 GR.2 ERW – Chitoliro cha Chitsulo cha Mphamvu Yapakatikati cha Maziko Onse & Kumanga Nyumba

Kufotokozera Kwachidule:

Womic Steel imapereka chitoliro chachitsulo cha ASTM A252 GR.2 ERW chapamwamba kwambiri chopangira maziko ndi zomangamanga. Mulu wa chitoliro cha A252 GR.2 umapereka mphamvu yapakati (240 MPa yobereka) yopangira maziko, zipilala za milatho, makoma otetezera, ndi zomangira zomangamanga. M'mimba mwake wakunja kuyambira 219mm mpaka 660mm (8″ mpaka 26″), makulidwe a khoma kuyambira 6.0mm mpaka 25.4mm, kutalika mpaka 18m. Satifiketi ya mphero, mayeso a hydro, mayeso a ultrasonic, mapeto opindika okhala ndi mphete zachitsulo, chophimba choletsa dzimbiri chilipo. Mtengo wopikisana komanso kutumiza mwachangu.

Kukula kwa Milu ya Zitsulo za ERW:Kunja kwa m'mimba mwake: 219mm-660mm (8″-26″), Kukhuthala kwa Khoma: 6.0mm-25.4mm, Kutalika: 6m, 12m kapena ngati pakufunika

Chitoliro Chokhazikika ndi Chachikulu cha Kuyika Chitoliro:ASTM A252 GR.2; Ikupezekanso GR.1, GR.3

Kugwiritsa Ntchito Chitoliro Chozungulira:Maziko a nyumba, doko la mlatho, khoma lotetezera, uinjiniya wa maziko ozama, maziko a mafakitale, maziko a nsanja, chithandizo cha kapangidwe ka pansi pa nthaka, kumanga misewu yayikulu, maziko a njanji

Chitsulo cha Womickupereka mitengo yapamwamba komanso yopikisana ya ASTM A252 GR.2 chitsulo cha mapaipi, ERW piling payipi, zolumikizira mapaipi. Chiphaso cha mphero, mayeso a hydro, UT, malekezero opindika okhala ndi mphete zachitsulo, zokutira za 3PE/FBE zilipo. Kupereka mwachindunji kwa mafakitale kumapulojekiti omanga padziko lonse lapansi.

Tumizani imelo kwa ife Zofotokozera Zamalonda

Tsatanetsatane wa Zamalonda

Ma tag a Zamalonda

1. Womic Steel: Mphamvu Zopangira ndi Mphamvu za Kampani

Womic Steel Group ndi kampani yopanga zinthu zapamwamba komanso yotumiza kunja padziko lonse lapansi yokhala ndi zaka zoposa 20 zaukadaulo popanga zinthu zopangidwa ndi kaboni, aloyi, ndi zitsulo zosapanga dzimbiri. Malo athu opangira mapaipi a ERW apamwamba kwambiri ali ndi mphamvu yopangira zinthu zopitilira matani 15,000 pamwezi za mapaipi achitsulo olumikizidwa ndi mphamvu zamagetsi.

Kukula kwa Kupanga kwa Chitoliro cha ASTM A252 GR.2 ERW:M'mimba mwake wakunja kuyambira 219mm mpaka 660mm (mainchesi 8 mpaka 26 mainchesi) ndi makulidwe a khoma kuyambira 6.0mm mpaka 25.4mm. Kutalika kwachisawawa kwa 6m, kutalika kawiri kwachisawawa kwa 12m, kapena kutalika kosinthidwa ngati pakufunika.

Zitsimikizo Zaubwino & Kutsatira Malamulo:

ISO 9001:2015 Satifiketi:Dongosolo loyang'anira khalidwe labwino likuonetsetsa kuti zinthu zikuyenda bwino nthawi zonse.

Kutsatira malamulo a ASTM A252:Kutsatira kwathunthu ASTM A252 Standard Specification ya Mapaipi a Chitsulo Osenda ndi Opanda Msoko.

Chitsimikizo cha EN 10204 3.2:Satifiketi Yoyendera 3.2 yovomerezedwa ndi TÜV, LR, BV, kapena SGS.

Kuvomerezedwa kwa Kuyang'anira kwa Gulu Lachitatu (TPI):Zogulitsa zovomerezedwa ndi SGS, BV, ABS, LR, DNV, TÜV.

Kuzindikirika Padziko Lonse:Wopereka wodalirika kwa makampani omanga ndi makontrakitala okhazikitsa maziko omwe akutumikira mayiko opitilira 80.

2. Chitoliro chachitsulo cha ASTM A252 GR.2 ERW: Kapangidwe ka zinthu ndi makhalidwe a ntchito

ASTM A252 GR.2 ndi giredi yapakati yamphamvu mu mndandanda wa mapaipi a A252, zomwe zimapereka mphamvu zabwino kwambiri komanso zotsika mtengo pakugwiritsa ntchito maziko onse. Giredi yachiwiri ndi giredi yomwe imatchulidwa kwambiri pa ntchito zomanga nyumba ndi mapulojekiti onse omanga.

Poyerekeza ndi GR.1 (205 MPa yield) ndi GR.3 (345 MPa yield), GR.2 imapereka mphamvu zokwanira pa maziko ambiri omanga nyumba pamtengo wotsika. Izi zimapangitsa GR.2 kukhala chisankho chabwino kwambiri pa nyumba zamalonda, mafakitale, ma doko a milatho, ndi zomangamanga zonse.

ASTM A252 GR.2 ERW Chitoliro cha Chitsulo Kapangidwe ka Mankhwala (Kusanthula kwa Chidebe, % ndi kulemera):

Chinthu	C max	Mn max	P max	S max
GR.2	0.26	1.35	0.040	0.050

ASTM A252 GR.2 ERW Chitoliro cha Chitsulo Katundu wa Makina (Kutentha kwa Chipinda):

Katundu	Chofunikira cha GR.2
Mphamvu Yopereka (mphindi)	240 MPa (35,000 psi)
Mphamvu Yokoka (mphindi)	415 MPa (60,000 psi)
Kutalika (mphindi ya 2" gauge)	20%

Kuyerekeza kwa Giredi ya A252:

Giredi	Mphamvu Yopereka	Kulimba kwamakokedwe	Ntchito Yachizolowezi
GR.1	205 MPa	345 MPa	Maziko opepuka, osaya kwambiri
GR.2	240 MPa	415 MPa	Maziko a nyumba zonse (zofala kwambiri)
GR.3	345 MPa	455 MPa	Katundu wolemera, maziko akuya, za m'nyanja

3. ASTM A252 GR.2 ERW Chitoliro cha Chitoliro Chozungulira ndi Kutsatira Miyezo

Chinthu	Kufotokozera
Muyezo	ASTM A252/A252M
Giredi	GR.2
Njira Yopangira	ERW / HFW
Kunja kwa Makulidwe Aakulu	219mm – 660mm (8" – 26")
Makulidwe a Wall	6.0mm – 25.4mm
Utali	6m, 12m, kapena mpaka 18m yopangidwa mwamakonda
Mapeto Omaliza	Mapeto Opanda Chilema / Mapeto Okhala ndi Beveled
Kumaliza Pamwamba	Wopanda kanthu / Wopaka Mafuta / Wakuda Wokutidwa / Wopaka Magalasi / Wokutidwa

4. Miyeso ndi Mafotokozedwe Omwe Akupezeka - Chitoliro cha Chitsulo cha ERW

NB	Kukula	OD mm	SCH40S mm	SCH5S mm	SCH10S mm	SCH10 mm	SCH20 mm	SCH40 mm	SCH60 mm	XS/80S mm	SCH80 mm	SCH100 mm	SCH120 mm	SCH140 mm	SCH160 mm	SCHXXS mm
6	1/8”	10.29			1.24			1.73			2.41
8	1/4”	13.72			1.65			2.24			3.02
10	3/8”	17.15			1.65			2.31			3.20
15	1/2”	21.34	2.77	1.65	2.11			2.77		3.73	3.73				4.78	7.47
20	3/4”	26.67	2.87	1.65	2.11			2.87		3.91	3.91				5.56	7.82
25	1”	33.40	3.38	1.65	2.77			3.38		4.55	4.55				6.35	9.09
32	1 1/4”	42.16	3.56	1.65	2.77			3.56		4.85	4.85				6.35	9.70
40	1 1/2”	48.26	3.68	1.65	2.77			3.68		5.08	5.08				7.14	10.15
50	2”	60.33	3.91	1.65	2.77			3.91		5.54	5.54				9.74	11.07
65	2 1/2”	73.03	5.16	2.11	3.05			5.16		7.01	7.01				9.53	14.02
80	3”	88.90	5.49	2.11	3.05			5.49		7.62	7.62				11.13	15.24
90	3 1/2”	101.60	5.74	2.11	3.05			5.74		8.08	8.08
100	4”	114.30	6.02	2.11	3.05			6.02		8.56	8.56		11.12		13.49	17.12
125	5”	141.30	6.55	2.77	3.40			6.55		9.53	9.53		12.70		15.88	19.05
150	6”	168.27	7.11	2.77	3.40			7.11		10.97	10.97		14.27		18.26	21.95
200	8”	219.08	8.18	2.77	3.76		6.35	8.18	10.31	12.70	12.70	15.09	19.26	20.62	23.01	22.23
250	10”	273.05	9.27	3.40	4.19		6.35	9.27	12.70	12.70	15.09	19.26	21.44	25.40	28.58	25.40
300	12”	323.85	9.53	3.96	4.57		6.35	10.31	14.27	12.70	17.48	21.44	25.40	28.58	33.32	25.40
350	14”	355.60	9.53	3.96	4.78	6.35	7.92	11.13	15.09	12.70	19.05	23.83	27.79	31.75	35.71
400	16”	406.40	9.53	4.19	4.78	6.35	7.92	12.70	16.66	12.70	21.44	26.19	30.96	36.53	40.49
450	18”	457.20	9.53	4.19	4.78	6.35	7.92	14.27	19.05	12.70	23.83	29.36	34.93	39.67	45.24
500	20”	508.00	9.53	4.78	5.54	6.35	9.53	15.09	20.62	12.70	26.19	32.54	38.10	44.45	50.01
550	22”	558.80	9.53	4.78	5.54	6.35	9.53		22.23	12.70	28.58	34.93	41.28	47.63	53.98
600	24”	609.60	9.53	5.54	6.35	6.35	9.53	17.48	24.61	12.70	30.96	38.89	46.02	52.37	59.54
650	26”	660.40	9.53			7.92	12.70			12.70

Dziwani: Kupezeka kwa makulidwe a khoma kumatha kusiyana kutengera kukula kwa chitoliro ndi luso lopanga. Miyeso yapadera kunja kwa mtundu uwu imapezeka mukapempha.

5. Miyezo Yofanana ya Mapaipi a Chitsulo cha ERW Yopangidwa ndi Womic Steel

Muyezo	Magiredi Okhazikika	Ntchito Yachizolowezi
API 5L (Kufotokozera kwa Chitoliro cha Mzere)
API 5L PSL1 / PSL2	GR.B, X42, X52, X60, X65, X70	Kutumiza mafuta ndi gasi, mapaipi a m'mphepete mwa nyanja/kunja kwa nyanja
Chitoliro cha Mzere wa ASTM & Chitoliro Chomangira
ASTM A53 (Kufotokozera kwa Chitoliro, Chitsulo, Chakuda ndi Choviikidwa ndi Moto, Chokutidwa ndi Zinc, Cholukidwa ndi Chopanda Msoko)	GR.A, GR.B	Madzi, gasi, nthunzi, mpweya, kapangidwe kake
ASTM A135 (Kufotokozera kwa Chitoliro cha Chitsulo Cholimba ndi Cholimba ndi Magetsi)	GR.A, GR.B	Ntchito za madzi, gasi, nthunzi, ndi mafakitale oyeretsera
ASTM A252 (Kufotokozera kwa Mapaipi a Chitsulo Osenda ndi Opanda Msoko)	GR.1, GR.2, GR.3	Kuyika maziko, kuyika m'madzi, maziko a mlatho
ASTM A500 (Kufotokozera kwa Machubu Opangidwa ndi Chitsulo cha Carbon Chozizira Chopangidwa ndi Wofewa komanso Chopanda Msoko)	GR.A, GR.B, GR.C	Mapaipi omangira nyumba, mafelemu omangira nyumba, milatho
ASTM A501 (Kufotokozera kwa Machubu Opangidwa ndi Chitsulo cha Carbon Chotentha Chopangidwa ndi Wofewa komanso Chopanda Msoko)	GR.A, GR.B	Ntchito zolemera zomangira, mizati, ma trusses
Chosinthira Boiler ndi Kutentha cha ASTM (ERW)
ASTM A178 (Kufotokozera kwa Chitsulo cha Carbon Cholimba ndi Cholimba ndi Machubu a Boiler a Chitsulo cha Carbon-Manganese)	Giredi A, C, D	Machubu a boiler, machubu a superheater
ASTM A214 (Mafotokozedwe a Chitsulo cha Carbon Chotenthetsera ndi Machubu a Condenser Osagonjetsedwa ndi Magetsi)	—	Zosinthira kutentha, zoziziritsa kutentha
ASTM A250 (Mafotokozedwe a Boiler ya Chitsulo cha Ferritic Alloy Chosagwira Ntchito ndi Magetsi ndi Machubu a Superheater)	T1, T2, T5, T9, T11, T22	Boiler yotentha kwambiri komanso superheater
ASTM A334 (Mafotokozedwe a Machubu a Kaboni ndi Chitsulo Chopanda Msoko ndi Cholumikizidwa cha Utumiki Wotentha Kwambiri)	GR.1, GR.3, GR.6	Utumiki wotentha pang'ono, cryogenic
Miyezo ya EN / DIN / BS
EN 10217-1 (Machubu achitsulo olumikizidwa ndi mphamvu - Machubu achitsulo osagwiritsidwa ntchito popanga zinthu zokhala ndi kutentha kwa chipinda)	P235TR1, P265TR1	Ziwiya zopondereza, ma drama a boiler, mapaipi opondereza kwambiri
EN 10217-2 (Machubu achitsulo olumikizidwa ndi zokakamiza - Machubu achitsulo osagwiritsa ntchito alloy ndi alloy okhala ndi kutentha kokwera)	P235GH, P265GH, P295GH, P355GH	Kutentha kokwera, machubu a boiler, zosinthira kutentha
EN 10219-1 (Zigawo zopanda kanthu zopangidwa ndi chitsulo chosungunuka chozizira)	S235JRH, S275J0H, S275J2H, S355J0H, S355J2H, S355K2H	Ntchito zomanga nyumba, kumanga nyumba, milatho
EN 10210 (Zigawo zotentha zopangidwa ndi zitsulo zopanda aloyi ndi tirigu wabwino)	S235JRH, S275J0H, S275J2H, S355J0H, S355J2H, S355K2H S420MH, S460MH	Zigawo zotentha zopanda msoko/zowotcherera zogwiritsidwa ntchito popanga nyumba, kumanga nyumba, milatho
EN 10025-2 (Zopangidwa ndi zitsulo zomangidwa ndi moto - zitsulo zomangidwa ndi zosagwiritsidwa ntchito)	S235JR, S275JR, S355JR,	Ntchito zachitsulo zomangira nyumba, uinjiniya wa zomangamanga
EN 10255 (Machubu achitsulo osagwiritsidwa ntchito ngati alloy oyenera kuwotcherera ndi kuluka ulusi)	S195T, S235JRTH	Madzi, gasi, zimbudzi, mapaipi opangidwa ndi ulusi
EN 10305-2 (Machubu achitsulo ogwiritsira ntchito molondola - Machubu ozizira okokedwa ndi welded)	E215, E235, E355	Kugwiritsa ntchito bwino kwambiri, masilinda a hydraulic
BS 1387 (Kufotokozera za machubu achitsulo ndi machubu opindika ndi opindika)	Kalasi A, B, C	Madzi, gasi, nthunzi, chitoliro cholumikizira, chitoliro cholumikizidwa
DIN 2458 (Machubu ndi zolumikizira zachitsulo zolumikizidwa - Mikhalidwe yonse yaukadaulo yotumizira)	St37.0, St44.0, St52.0	Machubu achitsulo ambiri ovekedwa, ntchito zomangira
Miyezo ya ISO ndi Miyezo Ina
ISO 3183 (Mafakitale a Petroli ndi Gasi - Mapaipi achitsulo a machitidwe oyendera mapaipi)	L245, L290, L360, L415	Mapaipi a mafuta ndi gasi (ofanana ndi ISO ya API 5L)
ISO 65 (Machubu achitsulo a madzi, gasi, ndi zimbudzi - Machubu opindika)	Wapakati, Wolemera	Madzi, gasi, zimbudzi, chitoliro cholumikizidwa ndi ulusi
CSA G40.21 (Chitsulo chapamwamba cha kapangidwe kake - muyezo waku Canada)	44W, 50W	Ntchito zomanga nyumba (Canada)
AS 1163 (Zigawo zopanda dzenje zachitsulo - muyezo waku Australia)	C250, C350, C450	Zigawo zopanda kanthu (Australia)
GOST 10706 (Mapaipi achitsulo olumikizidwa a mapaipi ndi nyumba - muyezo waku Russia)	St20, St35, St45	Mapaipi, ntchito zomangira (Russia)

Kagwiritsidwe:Kutumiza mafuta ndi gasi, madzi ndi zimbudzi, mapulojekiti omanga, kukonza ma scaffolding, maziko oyikamo zinthu, madzi othamanga kwambiri, kukonza mankhwala, kupanga magetsi, zomangamanga, uinjiniya wa m'madzi, machubu a boiler, zosinthira kutentha, ma superheater, ma condenser, ntchito yotsika kutentha, kugwiritsa ntchito molondola, masilinda a hydraulic, makina a mapaipi opangidwa ndi ulusi

6. Njira Yopangira - Chitoliro cha Chitsulo cha ERW / HFW

Kuyang'anira Zinthu Zopangira:Ma coil achitsulo omwe akubwera amatsimikiziridwa kuti ali ndi kapangidwe ka mankhwala, mawonekedwe a makina, komanso mtundu wa pamwamba. Coil iliyonse imapatsidwa nambala yapadera ya kutentha kuti itsatidwe bwino.

Kutsegula ndi Kulinganiza:Ma coil amatsegulidwa ndi kulinganizidwa kuti aphwanyike mzerewo ndikuchotsa coil yomwe yayikidwa, zomwe zimapangitsa kuti zikhale zosalala bwino kuti zipangidwe bwino.

Kupukuta ndi Kudula Mphepete:Mphepete zonse ziwiri za mzerewu zimaphwanyidwa bwino kwambiri (± 0.5mm), zomwe zimapangitsa kuti pakhale malo oyera komanso ofanana kuti pakhale chotchingira chapamwamba kwambiri.

Kupanga Kozizira:Mzere wolinganizidwa umadutsa m'mapangidwe a mipukutu yomwe pang'onopang'ono imapanga mzere wosalala kukhala chipolopolo cha chubu chotseguka chozungulira.

Kuwotcherera kwa Mafupipafupi Kwambiri (HFW/ERW):Mphamvu yamagetsi yamphamvu kwambiri (200-500 kHz) imatenthetsa m'mphepete mwa matiresi mpaka kutentha kwa forging (1,350-1,500°C). Ma roll a Finyani amakanikiza m'mphepete mwa matiresi pamodzi, ndikupanga forging weld yopanda zinthu zodzaza.

Kuchotsa Mkanda Wolukidwa:Kuwala kwamkati ndi kwakunja kumachotsedwa ndi masamba opaka makabati pamene kuli kotentha, zomwe zimapangitsa kuti pamwamba pake pakhale posalala komanso powonjezera pang'ono.

Kukula:Chubu cholumikizidwa chimadutsa m'ma roll okulirapo kuti chikhale ndi OD yolondola (± 0.5% mpaka ± 1.0%). Ma roll ena amapanga mawonekedwe a sikweya/amakona anayi ngati pakufunika.

Kutentha (Mwasankha):Kukhazikitsa kutentha pa 890-930°C kungagwiritsidwe ntchito kuti pakhale kusinthasintha kapena kuchepetsa kupsinjika, zomwe zimapangitsa kuti ferrite-pearlite microstructure ikhale yofanana.

Kudula Motalika:Chitoliro chimadulidwa kutalika koyenera pogwiritsa ntchito macheka odulira owuluka ndi njira yowongolera molondola (±3mm).

Kuyesa Kosawononga:

●Kuyesa kwa Ultrasonic (UT):Kuyang'ana 100% kwa msoko wothira ndi thupi la chitoliro kuti muwone ngati pali ma lamination, zinthu zomwe zili mkati mwake, komanso ngati palibe kusakanikirana.

●Kuyesa kwa Eddy Current (ET):Kuwunika kopitilira khalidwe la weld pa intaneti.

● Kuyesa kwa Madzi:Chitoliro chilichonse chinayesedwa mpaka 95% ya SMYS kwa masekondi osachepera 10.

Kumaliza Kumaliza:Malekezero opanda kanthu, malekezero opindika (30°-35° okhala ndi 1.6mm landing), kapena malekezero opindika malinga ndi zomwe kasitomala akufuna.

Kuyang'anira ndi Kulemba Komaliza:Kuyang'ana kooneka, kutsimikizira kwa miyeso (OD, WT, kutalika, kulunjika), ndi chizindikiro chokhazikika pa muyezo uliwonse (giredi, kukula, nambala ya kutentha, wopanga).

7. Njira Zowongolera Ubwino ndi Kuyesa

Gawo	Njira Yowunikira	Cholinga
Zopangira	Kusanthula kwa Mankhwala (OES Spectrometer)	Tsimikizirani kuti mukutsatira malire a API 5L
Zopangira	Kuyesa Kwamphamvu	Tsimikizani kukwera, mphamvu yokoka, kutalika
Mukukonzekera	Kuyang'anira Miyeso (Ma Micrometer, Ma Calipers)	Monitor OD, WT panthawi yopanga ndi kukula
Malo Osefera	Kuyesa kwa Ultrasonic (UT) - Pa intaneti	Dziwani kusagwirizana kwa weld, kusowa kwa fusion
Malo Osefera	Kuyesa kwa Eddy Current (ET) - Pa intaneti	Kuwunika kopitilira kwa msoko wowotcherera
Malo Osefera	Kufufuza kwa Macro-Seam kwa Weld Seam	Tsimikizani kulowa kwa weld ndi fusion geometry
Chitoliro Chomalizidwa	Kuyesa kwa Hydrostatic (mphindi 10 pa 95% SMYS)	Tsimikizirani kulimba kwa kuthamanga kwa magazi ndi kulimba kwa kutayikira kwa madzi
Chitoliro Chomalizidwa	Kuyesa kwa Ultrasonic (UT) - Kulibe Intaneti (Mwasankha)	Kuyang'ana laminar ya thupi lonse
Chitoliro Chomalizidwa	Kuyang'anira Tinthu ta Magnetic (MPI)	Kuzindikira ming'alu pamwamba (kuwotcherera ndi HAZ)
Chitoliro Chomalizidwa	Mayeso a Charpy V-Notch Impact	Tsimikizani kulimba kwa kutentha kochepa (PSL2)
Chitoliro Chomalizidwa	Mayeso a Kuuma (HRC / HV10)	Tsimikizani malire okhwima kwambiri (ntchito yowawasa)
Chitoliro Chomalizidwa	Mayeso Otsogozedwa (Nkhope ndi Muzu)	Tsimikizirani kulimba kwa weld komanso kulimba kwake
Chitoliro Chomalizidwa	Mayeso Ophwanyika	Tsimikizirani kuti thupi la chitoliro ndi lolimba komanso lolimba
Chitoliro Chomalizidwa	Kuyang'anira Magawo ndi Zowoneka	Tsimikizirani OD, WT, kutalika, kulunjika, ndi khalidwe la pamwamba
Chitoliro Chomalizidwa	Kutsimikizira Zizindikiro	Onetsetsani kuti chizindikiro chokhazikika chili pa API 5L iliyonse

Mayeso Owonjezera a PSL2 / Sour Service:

● Kuyesa kwa HIC (Hydrogen Induced Cracking) pa NACE TM0284

● Mayeso a SSC (Sulfide Stress Cracking) pa NACE TM0177 Njira A

● Kuyesa kwa CVN pa -10°C, -20°C, kapena -46°C

● Kutsimikizira Kulimba (≤ 22 HRC / ≤ 248 HV10 kuti ikhale yolimba ku HIC)

Zolemba Zabwino:

● Satifiketi Yoyesera ya Mill malinga ndi EN 10204 Mtundu 2.2, 3.1, kapena 3.2

● Lipoti Loyesa Madzi (paipi ndi paipi)

● Lipoti Loyang'anira UT / ET

Kutsatira kuchokera ku chiwerengero cha kutentha kupita ku chitoliro chomalizidwa

8. Mapulogalamu Oyambirira a Chitoliro cha Chitsulo cha ERW

Mapaipi a ERW ndi ofunikira kwambiri pa kutumiza mafuta ndi gasi komanso ntchito zosiyanasiyana zamafakitale:

Kutumiza Mafuta ndi Gasi:Mapaipi akutali a m'mphepete mwa nyanja ndi m'mphepete mwa nyanja opangira mafuta osakonzedwa, gasi wachilengedwe, ndi zinthu zopangidwa ndi mafuta oyeretsedwa.

Kuyendera Madzi Othamanga Kwambiri:Mizere yothira madzi, njira zotulutsira madzi zopangidwa, komanso kusamutsa madzi othamanga kwambiri m'mafakitale amafuta ndi malo opangira mafuta.

Mapulojekiti a Mapaipi Omwe Ali M'mphepete mwa Nyanja:Mizere yosonkhanitsira zinthu m'madera osiyanasiyana, mizere ya trunk, ndi mapaipi ogawa mafuta ndi gasi.

Machitidwe a Mapaipi Opita Kunja kwa Nyanja:Mayendedwe a pansi pa nyanja, zokwezera, ndi mapaipi otumizira kunja kwa mapulatifomu akunja ndi kumalizidwa kwa pansi pa nyanja (ndi PSL2 ndi njira zina zoperekera chithandizo).

Malo Ochitira Ntchito Zovuta:Mapaipi ogwiritsira ntchito mpweya wonyowa (wokhala ndi H₂S) omwe amafunikira PSL2 yokhala ndi zofunikira zina kuphatikizapo kukana kwa HIC ndi SSC motsatira miyezo ya NACE.

Kutumiza Madzi:Mapaipi operekera madzi akuluakulu, njira zothirira, ndi njira zotumizira madzi osaphika kuti agwiritsidwe ntchito m'matauni ndi m'mafakitale.

Kusamalira Madzi Otayira ndi Zinyalala:Mapaipi otulutsira madzi otayira, mapaipi oyeretsera madzi, ndi njira zoyendetsera matope.

Ntchito Zopangira Kapangidwe ka Mafakitale:Ma raki a mapaipi, zothandizira, zothandizira, ndi zida zomangira m'mafakitale oyeretsera, mafakitale a petrochemical, ndi mafakitale.

Malo Opangira Mafuta ndi Gasi:Mizere yoyendera, mitu, manifold, ndi mapaipi olumikizirana m'mafakitale opangira zinthu ndi malo oyeretsera.

Mapaipi a EPC ndi Plant:Mapaipi opangira zinthu ndi ntchito m'malo opangira mafuta, mafakitale opangira gasi, malo opangira mankhwala, ndi malo opangira magetsi.

9. Kulongedza ndi Kutumiza

Mapaipi a ERW amapakidwa ndi kutumizidwa mosamala kwambiri kuti atetezedwe panthawi yoyenda. Nayi kufotokozera kwa njira yopakira ndi kutumiza:

Kupaka:

Chophimba Choteteza:Musanapake mapaipi, mapaipi amatha kupakidwa mafuta oletsa dzimbiri kapena varnish yoteteza kuti asawonongeke pamwamba ndi kusungunuka kwa okosijeni panthawi yosungira ndi kunyamula. Mapeto opanda kanthu amapezekanso kuti agwiritsidwe ntchito nthawi yomweyo pamalo omwe mukufuna.

Kusonkhanitsa:Mapaipi ofanana kukula ndi zofunikira amamangiriridwa pamodzi mosamala m'mabatani a hexagonal kapena amakona anayi. Amamangiriridwa pogwiritsa ntchito zingwe zachitsulo (nthawi zambiri zingwe 3-5 pa mtolo uliwonse) kuti asayende mkati mwa mtolo.

Mapeto a Zipewa:Zipewa zapulasitiki (PE kapena PP) zimayikidwa kumapeto onse a chitoliro chilichonse kuti ziteteze malekezero opindika, malekezero osalala, ndi maulumikizidwe a ulusi ku kuwonongeka kwa kugundana, kulowa kwa zinyalala, ndi chinyezi.

Kuphimba ndi Kuphimba:Pa maoda apamwamba kwambiri otumizira kunja, zipangizo zomangira monga mphete za thovu kapena zingwe za rabara zingagwiritsidwe ntchito pakati pa zigawo za mapaipi kuti zisawonongeke ndi kuwonongeka kwa chophimba panthawi yogwira ntchito.

Mabokosi kapena Mabokosi a Matabwa:Pa mapaipi okhala ndi makoma ochepa, machubu olondola, kapena maoda apamwamba ophikira, mapaipi amatha kupakidwa m'mabokosi olimba amatabwa kapena m'mabokosi a plywood kuti apereke chitetezo chowonjezereka ku mphamvu zakunja ndi kugwiridwa molakwika.

Manyamulidwe:

Njira Yoyendera:Mapaipi amatumizidwa kudzera m'zombo zonyamulira (20ft/40ft), zonyamulira katundu wambiri, kapena katundu wa sitima kutengera komwe akupita, kuchuluka kwake, ndi kufunikira kwake. Kunyamula katundu wa pandege kulipo kuti kutumizidwe zitsanzo kapena nthawi yake.

Kuyika zinthu mu chidebe:Maoda ang'onoang'ono mpaka apakatikati odzazidwa m'zidebe zotumizira zokhazikika, kuteteza katundu ku nyengo, chinyezi, ndi zodetsa zakunja panthawi yoyenda.

Kukweza Chombo Chambiri:Maoda akuluakulu (nthawi zambiri okwana matani 200) amaikidwa mwachindunji m'zonyamulira katundu wolemera. Matabwa onyamulira ndi mipiringidzo yofalitsira katundu amateteza kuwonongeka; amachotsa ndi kutsekereza katundu wotetezeka kuti asayende panyanja.

Zolemba ndi Zolemba:Mtolo uliwonse wolembedwa bwino ndi giredi, muyezo, miyeso, nambala ya kutentha, ndi malangizo ogwiritsira ntchito. Zikalata zonse (invoice yamalonda, mndandanda wolongedza, bilu ya katundu, Satifiketi Yoyambira, Zikalata Zoyesera za Mill) zokonzedwa kuti zitheke mosavuta.

Kusunga Motetezeka:Mapaketi omangidwa ndi zingwe zachitsulo, matumba a dunnage, kapena zomangira matabwa kuti apewe kusuntha, kugubuduzika, kapena kuwonongeka panthawi yoyenda.

Kutsata ndi Inshuwalansi:Manambala otsatirira chidebe amaperekedwa kuti aziyang'anira nthawi yeniyeni. Inshuwaransi ya katundu wa m'madzi (Zoopsa Zonse kapena Pa avareji) imapezeka mukapempha.

Mwachidule, Womic Steel imaonetsetsa kuti mapaipi onse a ERW Steel apakidwa ndi njira zodzitetezera zotsogola m'makampani ndipo amatumizidwa pogwiritsa ntchito njira zodalirika zoyendera kuti akafike komwe akupita ali bwino. Njira zoyenera zopakira ndi kutumiza ndizofunikira kwambiri kuti zinthu zomwe zaperekedwa zisungidwe bwino komanso zabwino.

10. Ubwino ndi Mafunso Ofunsidwa Kawirikawiri pa Chitsulo cha Womic

N’chifukwa Chiyani Muyenera Kugwirizana ndi Womic Steel?

Sitolo Yogulitsira Zinthu Pamodzi:Kuchokera ku mapaipi a API 5L ERW mpaka ku zolumikizira mapaipi za OEM zofanana (Zigongono, Ma Tee, Zochepetsera, Ma Flanges, Ma Caps) mu mitundu yogwirizana ya zinthu, kuphatikiza chitsulo cha carbon, chitsulo cha alloy, ndi chitsulo chosapanga dzimbiri.

Kutsatira Malamulo a Zaukadaulo:Zikalata Zoyeserera Zonse za Mill (EN 10204 Type 2.2, 3.1, kapena 3.2) zimaperekedwa ndi kutumiza kulikonse, zomwe zimafotokoza bwino kapangidwe ka mankhwala, zotsatira za mayeso a makina, ndi malipoti oyesa osawononga.

Ntchito Zowonjezera Mtengo:Ma beveling a kumapeto (30°-35°), ulusi ndi kulumikizana, kukhazikitsa zipewa za pulasitiki, ndi chophimba choletsa dzimbiri (FBE, 3LPE, 3LPP, Epoxy, Galvanizing) zomwe zimapezeka mkati kapena kudzera m'malo oyenerera ogwirizana nawo.

Kayendetsedwe ka Zinthu Kopikisana:Mgwirizano wanzeru ndi makampani otumiza katundu padziko lonse lapansi umaonetsetsa kuti katundu wonyamula katundu m'zidebe zonse ndi wabwino (kuwonjezera kuchuluka kwa katundu pa chidebe chilichonse) komanso kutumiza katundu padziko lonse lapansi pamtengo wotsika komanso nthawi yodalirika yoyendera.

Zinthu Zosungidwa ndi Kupezeka Kwake:Kuchuluka kwa ma API 5L X52 kukula koyenera (2"-24" OD, Ndandanda 10-80) kumatsimikizira nthawi yochepa yoperekera chithandizo komanso kuyankha mwachangu ku zofunikira za polojekiti mwachangu. Ma size apadera amapangidwa pakafunika nthawi yoperekera chithandizo ya masiku 30-45.

Utumiki Wabwino Kwambiri:Mphamvu yonse yoperekera mapaipi a PSL2 okhala ndi mayeso a HIC ndi SSC motsatira miyezo ya NACE yogwiritsira ntchito mpweya wowawasa. Kulimba kumayendetsedwa mpaka ≤ 248 HV10 / ≤ 22 HRC.

Sankhani Womic Steel Group ngati mnzanu wodalirika wa mapaipi apamwamba a API 5L X52 ERW Steel ndi ntchito yabwino kwambiri yotumizira. Takulandirani kuti mufunse!

Webusaiti: www.womicsteel.com

Imelo: sales@womicsteel.com

Foni/WhatsApp/WeChat:

Victor: +86-15575100681

Jack: +86-18390957568

Mafunso Ofunsidwa Kawirikawiri (Mafunso Ofunsidwa Kawirikawiri)

Q: Kodi kusiyana pakati pa ASTM A252 GR.2, GR.1, ndi GR.3 ndi kotani?

A: GR.1 ili ndi 205 MPa yobereka - maziko opepuka, otsika mtengo kwambiri. GR.2 ili ndi 240 MPa yobereka - maziko wamba obereka, omwe amagwiritsidwa ntchito kwambiri. GR.3 ili ndi 345 MPa yobereka - katundu wolemera, maziko akuya, zapamadzi. Sankhani GR.2 pamapulojekiti ambiri omanga nyumba okhala pamtunda.

Q: Kodi kuya kwa GR.2 komwe kumayendetsedwa ndi mulu wa matabwa nthawi zambiri kumakhala kotani?

A: Kawirikawiri mamita 15-25 (mamita 50-80) kutengera momwe nthaka ilili. Pa mipanda yozama kwambiri kapena malo oyendetsera zinthu zolimba, GR.3 imalimbikitsidwa. GR.2 ndi yabwino kwambiri pa maziko a nyumba zonse.

Q: Ndi njira ziti zokulira khoma zomwe zilipo pa GR.2?

A: Mtundu wokhazikika: 6.0mm mpaka 25.4mm. Makulidwe ofanana: 6.0mm, 8.0mm, 10.0mm, 12.7mm, 15.0mm, 18.0mm, 20.0mm, 25.4mm. Kusankha kumadalira zofunikira pa katundu ndi momwe galimoto imayendera.

Q: Kodi mapaipi a GR.2 angalumikizidwe pamalopo kuti agwirizanitse?

A: Inde. GR.2 imapereka kuthekera kolumikizana bwino. Gwiritsani ntchito ma electrode a E7018 kapena waya wa ER70S-6. Kutentha (50-100°C) komwe kumalimbikitsidwa pa makulidwe a khoma opitilira 12.7mm kapena kuwotcherera kwa nyengo yozizira. Njira zowotcherera zamunda ziyenera kutsatiridwa motsatira AWS D1.1.

Q: Kodi mphete yachitsulo yoperekedwa nsembe ndi chiyani ndipo imafunika liti?

A: Mphete yachitsulo yolumikizidwa kumapeto kwa chitoliro chomwe chimayamwa kugunda kwa nyundo ndikuteteza kumapeto kwa chitoliro kuti chisawonongeke. Akulimbikitsidwa pazovuta zoyendetsera, nyundo zolemera, kapena mapaipi a khoma lopyapyala. Pa GR.2 yokhala ndi makulidwe wamba a khoma (10mm+), nthawi zambiri sikofunikira koma imapezeka mukaipempha.

Q: Ndi zophimba ziti zomwe zilipo pa mapaipi a GR.2?

A: Chophimba chakuda (chilinganizo cha mphero chokhala ndi mafuta oteteza) kuti chitetezedwe kwakanthawi. Choviikidwa ndi galvanized yotentha kuti chisagwere m'malo ocheperako. FBE kapena 3LPE kuti chiteteze nthaka yolimba. Pa maziko ambiri a nyumba, kumaliza kwakuda kapena galvanized ndikokwanira.

Q: Kodi mungapereke chiyeso cha anthu ena cha mapaipi a GR.2?

A: Inde. Kuyang'aniridwa ndi SGS, BV, TÜV, ABS kulipo. Zikalata 3.2 zimaperekedwa mukapempha.

Q: Kodi nthawi yogwiritsira ntchito mapaipi a ASTM A252 GR.2 ERW ndi yotani?

A: Kukula kwa katundu: masiku 15-25. Kukula kwapadera: masiku 30-45. Kupaka (kupangira galvanizing, FBE) kumawonjezera masiku 10-20.

Q: Ndi zikalata ziti zomwe mumapereka?

A: Satifiketi Yoyesera Mphero (EN 10204 Mtundu 3.1 kapena 3.2), lipoti la magawo, mndandanda wa zolongedza, invoice, bilu ya katundu.

Q: Kodi GR.2 ndi yoyenera kuyika zinthu m'madzi/m'mphepete mwa nyanja?

A: Pa nyumba za m'mphepete mwa nyanja monga madoko ndi makoma a doko, GR.2 ingagwiritsidwe ntchito ndi chitetezo cha dzimbiri (galasi loviikidwa m'madzi otentha kapena epoxy ya malasha). Pa nsanja za m'mphepete mwa nyanja kapena madzi akuya, GR.3 ikulimbikitsidwa.

Yapitayi: Chitoliro cha Chitsulo cha ASTM A252 GR.1 ERW – Chitoliro cha Chitsulo Chotsika Mtengo Chogwiritsira Ntchito Maziko Opepuka

Ena: Chitoliro chachitsulo cha ASTM A500 GR.A ERW – Machubu Opepuka Opangira Kapangidwe ka Ntchito Zomangamanga