Chitoliro cha ASTM A672 B60/B70/C60/C65/C70 LSAW Carbon Steel

Kufotokozera Kwachidule:

Kukula: 10-660mm M'mimba mwake wakunja, 1.0-100mm Kukhuthala kwa Khoma

Utali: Kutalika kokhazikika 5.8m, 6m, 11.8m kapena kosinthidwa.

Mapeto: Mapeto osalala/opindika, Groove, Ulusi, eta.

Chophimba: Chophimba cha varnish, Chophimba chotentha chotentha, zigawo zitatu za PE, FBE, ndi zina zotero.

Ukadaulo: Kuwotcherera kwa arc m'madzi.

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Kugwiritsa ntchito ASTM A672 B60/B70/C60/C65/C70Chitoliro cha LSAW Carbon Steel:

Chitoliro cha ASTM A672 B60/B70/C60/C65/C70 LSAW(JCOE) Carbon Steel ndiimagwiritsidwa ntchito pamavuto amphamvu ndipo imagwiritsidwa ntchito makamaka pamakina opangira magetsi, makampani opanga mafuta akunja, makampani opanga mankhwala, feteleza, petrochemicals, mafakitale oyeretsera ndi zina zotero.

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Njira YopangiraASTM A672Chitoliro cha B60/B70/C60/C65/C70 LSAW Carbon Steel:

Chitoliro cha ASTM A672 B60/B70/C60/C65/C70 LSAW(JCOE) Carbon Steel chikhale chopangidwa ndi ma weld awiri, olowa mokwanira, opangidwa motsatira njira ndi olumikiza ma weld kapena ogwiritsa ntchito ma weld oyenerera motsatira ASME Boiler and Pressure Vessel Code, Gawo IX.

Kuchiza Kutentha kwa ASTM A672 B60/B70/C60/C65/C70 LSAW(JCOE) Chitoliro cha Chitsulo cha Kaboni:

Magulu onse kupatula 10, 11, 12 ndi 13 ayenera kutenthedwa mu uvuni wowongoleredwa mpaka ±15℃ ndipo ayenera kukhala ndi hydrometer yojambulira kuti zolemba zotenthetsera zikhalepo.

Tsatanetsatane wa ASTM A672 B60/B70/C60/C65/C70 LSAW(JCOE) Chitoliro cha Chitsulo cha Kaboni:

Kupanga:Kuweta Arc Wodzazidwa ndi Madzi kwa Longitudinal (LSAW).

Kukula:OD: 406～1422mm Kulemera: 8～60mm.

Giredi:B60, C60, C65, ndi zina zotero.

Utali:3-12M kapena kutalika kotchulidwa ngati pakufunika.

Mapeto:Mapeto Opanda Chilema, Mapeto Opindika, Okhala ndi Mizere.

Kapangidwe ka mankhwala a ASTM A672 B60/B70/C60/C65/C70 LSAW Carbon Steel Pipe:

Zofunikira Zamankhwala pa ASTM A672 B60/B70/C60/C65/C70 LSAW Carbon Steel Pipe
Chitoliro	Giredi	Kapangidwe, %
Chitoliro	Giredi	C kuchuluka					Mn		P kuchuluka	S kuchuluka	Si	Ena
		<=1in (25mm)	>1~2in (25~50mm)	>2~4in(50-100mm)	>4~8in (100 ~ 200mm)	>8in (200mm)	<=1/2in (12.5mm)	>1/2in (12.5mm)
	60	0.24	0.21	0.29	0.31	0.31	0.98max		0.035	0.035	0.13–0.45	...
	65	0.28	0.31	0.33	0.33	0.33	0.98max		0.035	0.035	0.13–0.45	...
	70	0.31	0.33	0.35	0.35	0.35	1.30max		0.035	0.035	0.13–0.45	...
C	55	0.18	0.20	0.22	0.24	0.26	0.55–0.98	0.55–1.30	0.035	0.035	0.13–0.45	...
	60	0.21	0.23	0.25	0.27	0.27	0.55–0.98	0.79–1.30	0.035	0.035	0.13–0.45	...
	65	0.24	0.26	0.28	0.29	0.29	0.79–1.30	0.79–1.30	0.035	0.035	0.13–0.45	...
	70	0.27	0.28	0.30	0.31	0.31	0.79–1.30	0.79–1.30	0.035	0.035	0.13–0.45	...

Kapangidwe ka makina a ASTM A672 B60/B70/C60/C65/C70 LSAW Carbon Steel Pipe:

Katundu wa Makina
Giredi
	B60	B65	B70	C55	C60	C65	C70
Mphamvu yokoka, osachepera:
ksi	60	65	70	55	60	65	70
Mpa	415	450	485	380	415	450	485
Mphamvu yobereka, osachepera:
ksi	32	35	38	30	32	35	38
MPa	220	240	260	205	220	240	260
Zofunikira pa Kutalika: Malinga ndi muyezo

Kusintha Kovomerezeka kwa Kulemera ndi Miyeso:

1. M'mimba mwake wakunja - Kutengera muyeso wozungulira ± 0.5% ya m'mimba mwake wakunja womwe watchulidwa.

2. Kusiyana kwa ma diameter akunja ozungulira ndi ang'onoang'ono.

3. Kulinganiza - Kugwiritsa ntchito m'mphepete wowongoka wa 3m (10 ft) womwe wayikidwa kotero kuti malekezero onse awiri agwirizane ndi chitoliro, 1/8 in. (3mm).

4. Kukhuthala - Kukhuthala kwa khoma kocheperako pamalo aliwonse mu chitoliro sikuyenera kupitirira 0.01 inchi (0.3mm) pansi pa makulidwe odziwika.

5. Kutalika kwa zinthu zomwe sizinagwiritsidwe ntchito kuyenera kukhala mkati mwa -0, 1/2 inchi (-0, 13mm) kuchokera pa zomwe zafotokozedwa. Kutalika kwa zinthu zomwe zinagwiritsidwa ntchito kuyenera kukhala monga momwe zavomerezedwera pakati pa wopanga ndi wogula.

Mayeso a Makina a ASTM A672 B60/B70/C60/C65/C70 LSAW Carbon Steel Pipe:

Kuyesa Kupsinjika—Makhalidwe opingasa a cholumikizira cholumikizidwacho ayenera kukwaniritsa zofunikira zochepa kuti chikhale ndi mphamvu yolimba kwambiri ya zinthu zomwe zatchulidwazo.

Mayeso opindika otsogozedwa ndi weld —Mayeso opindika adzakhala ovomerezeka ngati palibe ming'alu kapena zolakwika zina zopitirira 1/8 inchi (3mm) mbali iliyonse zomwe zilipo mu chitsulo chopindika kapena pakati pa weld ndi chitsulo choyambira mutapindika.

Kufufuza kwa X-graphic - Kutalika konse kwa weld iliyonse ya kalasi X1 ndi X2 kuyenera kufufuzidwa ndi x-ray motsatira ndikukwaniritsa zofunikira za ASME Boiler and Pressure Vessel Code, Gawo 7, ndime UW-51.

Mawonekedwe a ASTM A672 B60/B70/C60/C65/C70 LSAW Carbon Steel Pipe:

Chitoliro chomalizidwacho chikhale chopanda zilema zovulaza ndipo chikhale chopangidwa ngati cha munthu.

Kulemba chizindikiro cha ASTM A672 B60/B70/C60/C65/C70 LSAW Carbon Steel Pipe:

A. Dzina kapena chizindikiro cha wopanga.
B. Nambala yofotokozera (chaka kapena chofunika).
C. Kukula (OD, WT, kutalika).
D. Giredi(A kapena B).
E. Mtundu wa chitoliro (F, E, kapena S).
F. Kupanikizika kwa mayeso (chitoliro chachitsulo chopanda msoko chokha).
G. Nambala ya Kutentha.
H. Chidziwitso china chilichonse chowonjezera chomwe chatchulidwa mu oda yogulira.