Pipe ea Tšepe ea ASTM A671/A671M LSAW

Tlhaloso e Khutšoanyane:

Boholo: OD: 406~1500mm Boima: 6~40mm

Sehlopha: CB60, CB65, CC60, CC65, jj.

Bolelele: 12M kapa bolelele bo boletsoeng ha ho hlokahala.

Lipheletso: Qetello e sa Tšoarellang, Qetello e Beveled, e Kobehileng;

Melao ea tefo：LC/TT/DP

Mantsoe a bohlokoa: ASTM A671 Lsaw Steel Pipe, ASTM A672 C65 Lsaw Steel Pipe, carbon Lsaw steel pipe, mofani oa liphaephe tsa tšepe tsa Lsaw.

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Tšebeliso ea ASTM A671/A671MPipe ea Tšepe ea LSAW

Theko e Tlase ASTM ho Pile ea Pipe ea Tšepe ea 252

Mokhoa oa Tlhahiso

Ts'ebetso ea ho etsa Pipe ea Longitudinal Submerged-arc Welded (LSAW) e tjena:

Ho hlahloba poleiti ea Ultrasonic → ho sila ka bohale → ho kobeha pele → ho theha → Ho tjheseletsa pele → Ho tjheseletsa ka hare → Ho tjheseletsa ka ntle → Tlhahlobo ea Ultrasonic → Tlhahlobo ea X-ray → Ho atolosa → teko ea hydraulic →l. Ho qhaqha → Tlhahlobo ea Ultrasonic → Tlhahlobo ea X-ray → Tlhahlobo ea likaroloana tsa makenete qetellong ea tube

Lintlha tsa Pipe ea Tšepe ea Khabone ea ASTM A671 LSAW(JCOE):

Tlhahiso: Liphaephe tsa tšepe tsa LSAW(JCOE)

Boholo: OD: 406~1500mm Boima: 6~40mm

Sehlopha: CB60, CB65, CC60, CC65, jj.

Bolelele: 12M kapa bolelele bo boletsoeng ha ho hlokahala.

Lipheletso: Qetello e sa Tšoarellang, Qetello e Beveled, e Kobehileng;

Sebopeho sa Lik'hemik'hale saASTM A671Pipe ea Tšepe ea LSAW Carbon

Litlhoko tsa Khemik'halebakeng sa ASTM A672 B60/B70/C60/C65/C70LSAWPipe ea Tšepe ea Khabone
Phaephe	Sehlopha	Sebopeho, %
		C boholo					Mn			P boholo	S boholo	Si	Tse ling
		<=1in (25mm)	>1~2in (25~50mm)	>2~4in(50-100mm)	>4~8in (100~200mm)	>8in (200mm)	<=1/2in (12.5mm)	>1/2in (12.5mm)
CB	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	...
CC	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	...

Litšobotsi tsa Mekaniki tsa Pipe ea Tšepe ea Khabone ea ASTM A671 LSAW:

Matlotlo a Mekaniki
Sehlopha
	CB65	CB70	CC60	CC65	CC70
Matla a ho tsikinyeha, bonyane:
ksi	65	70	60	65	70
Mpa	450	485	415	450	485
Matla a tlhahiso, bonyane:
ksi	35	38	32	35	38
MPa	240	260	220	240	260

Liphetoho tse Lumellehang tsa Boima le Litekanyo

1. Bophara ba Kantle - Ho latela tekanyo e potolohang ± 0.5% ea bophara bo boletsoeng ba kantle.

2. Phapang e sa kgutleleng pakeng tsa bophara bo boholo le bo bonyenyane ba kantle.

3. Ho Lokisa-Ho sebedisa moedi o otlolohileng wa 10 ft (3m) o behilweng e le hore dipheletso ka bobedi di kopane le phaephe, 1/8 in. (3mm).

4. Botenya - Botenya bo bonyane ba lebota ntlheng efe kapa efe ka hara phaephe ha boa lokela ho feta 0.01 in. (0.3mm) tlasa botenya bo boletsweng.

5. Bolelele bo nang le lipheletso tse sa sebetsoang bo tla ba ka hare ho -0,+1/2 in. (-0,+13mm) ho tloha ho bo boletsoeng. Bolelele bo nang le lipheletso tse sebetsoang bo tla ba kamoo ho lumellanoeng kateng pakeng tsa moetsi le moreki.

Liteko tsa Mekaniki bakeng sa Pipe ea Tšepe ea Khabone ea ASTM A671 LSAW:

Teko ea Khatello—Thepa ea ho thaepa e potolohang ea lenonyeletso le welded e tla fihlela litlhoko tse fokolang tsa matla a ho thaepa a thepa e boletsoeng ea poleiti.

Liteko tsa ho kobeha tse tataisoang ke weld tse kobehileng —Teko ea ho kobeha e tla amoheleha haeba ho se na mapetso kapa likoli tse ling tse fetang 1/8 in. (3mm) ka lehlakoreng lefe kapa lefe tse teng tšepeng ea weld kapa pakeng tsa weld le tšepe ea motheo ka mor'a ho kobeha.

Tlhahlobo ea Radio-graphic - Bolelele bo felletseng ba weld e 'ngoe le e 'ngoe ea sehlopha sa X1 le X2 bo tla hlahlojoa ka radiographic ho latela le ho fihlela litlhoko tsa ASME Boiler le Pressure Vessel Code, Karolo ea bosupa, serapa sa UW-51.

Ponahalo ea Pipe ea Tšepe ea Khabone ea ASTM A671 LSAW:

Lebitso kapa letshwao la moetsi
Nomoro ea tlhaloso (selemo kapa letsatsi la ho hlokahala)
Boholo (OD, Boima, bolelele)
Sehlopha(A kapa B)
Mofuta oa phaephe (F, E, kapa S)
Khatello ea teko (phaephe ea tšepe e se nang seamless feela)
Nomoro ea Mocheso
Tlhahisoleseding efe kapa efe e eketsehileng e boletsweng odareng ya theko.

Tlhahisoleseding ea ho odara

Bongata (maoto, limithara, kapa palo ea bolelele)
Lebitso la thepa (phala ea tšepe, pompo ea motlakase e kopantsoeng)
Nomoro ea litlhaloso
Litlhaloso tsa sehlopha le tsa sehlopha
Boholo (bophara ba kantle kapa kahare, botenya ba lebota bo tloaelehileng kapa bo fokolang)
Bolelele (bo itseng kapa bo sa reroang)
Qetella qetellong
Mekhoa ea ho reka
Litlhoko tse ling, haeba li le teng.