ASTM A252 GR.3 Structural LSAW(JCOE) Carbon Steel Pipe

Nkọwa dị mkpirikpi:

Ọkwa:GR.1,GR.2,GR.3

Nha: OD: 406 ~ 1500mm WT: 8 ~ 50mm

Ịkwụ Ụgwọ: Nkwụnye ego 30%, 70% L/C ma ọ bụ B/L oyiri ma ọ bụ 100% L/C na Anya

Ịkwanye ikike: Karịrị 100000 tọn ka a ga-emepụta kwa afọ

Oge ndu: 7-14 Days Ọ bụrụ na ọ dị na ngwaahịa, ụbọchị 30-45 iji mepụta

Mkpuchi dị n'elu: Bare/Black Varnish/3LPE/Galvanized/Dịka arịrịọ ndị ahịa si dị.

Ọgwụgwụ: Ọgwụ dị larịị/gbara agbarụ

Ihe nchekwa ngwụcha: okpu ọkpọkọ plastik ma ọ bụ ihe nchekwa igwe

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Nkọwa ngwaahịa

Ngwaahịa ndị emetụtara

Mkpado ngwaahịa

Nkọwa ngwaahịa nkeLSAW Steel Pipe:

Ụdị	Nka na ụzụ	Ihe onwunwe	Ọkọlọtọ	Ọkwa
Longitudinal Submerged-arc Welded Pipe	SAW	Carbon ígwè	API 5L PSL1&PSL2	GR.B,X42,X46,X52,X60,X65,X70, wdg.
			ASTM A252	GR.1,GR.2, GR.3
			EN10210	S275JRH, S275J0H, S355J0H, S355J2H, wdg
			EN10219	S275JRH, S275J0H, S355J0H, S355J2H, wdg

Usoro nrụpụta nkeASTM A252 LSAW Steel Pipe:

Longitudinal Submerged-arc Welded(LSAW) Pipe na-anakwere teknụzụ ịgbado ọkụ n'ime mmiri, na-eji mgbado ọkụ, mgbado nchekwa urughuru lie arc.

LSAW bụ mbiri nke bekee nke arc welded ogologo nchara nchara.Usoro mmepụta nke submerged arc welded ogologo onuete ígwè ọkpọkọ gụnyere JCOE akpụ technology, eriri igwe na-akpụ submerged arc ịgbado ọkụ technology na UOE akpụ technology.

Usoro nke imepụta Pipe Longitudinal Submerged-arc Welded(LSAW) bụ nke a:

Ultrasonic plate probing → ihu igwe → tupu ekwe → akpụ → tupu ịgbado ọkụ → Ime ịgbado ọkụ → Mpụga ịgbado ọkụ → Ultrasonic nnyocha → X-ray nnyocha → Ịbawanye → hydraulic ule →l.Chamfering → Nyocha Ultrasonic → Nyocha X-ray → nyocha ihe ndọta na njedebe tube.

Ngwakọta kemịkalụ:

Nchara agaghị enwe ihe karịrị 0.050% phosphorous.

Chọrọ tensile

Chọrọ tensile
	Nkeji 1	Ọkwa 2	Nkeji 3
Ike tensile, min, psi (MPa)	50000 (345)	60000 (415)	66000 (455)
Ike mpụta ma ọ bụ mpụta, min, psi(MPa)	30000 (205)	35 000 (240)	45,000 (310)
Isi elongation kacha nta maka ọkpụrụkpụ mgbidi ọnụ %6 in. (7.9 mm) ma ọ bụ karịa: Elongation na 8 in. (203.2 mm), min,% Elongation na 2 in. (50.8 mm), min, %	18 30	14 25	... 20
N'ihi na ọnụ mgbidi ọkpụrụkpụ na-erughị %6 in. (7.9 mm), mwepu si isi kacha nta elongation na 2 in. (50.08 mm) maka onye ọ bụla Vzi - in. (0.8 mm) ibelata ọnụ mgbidi ọkpụrụkpụ n'okpuru %6 na. (7.9 mm), n'ihe pasentị	1.5A	1.25A	1.0A...

Nnwale igwe na NDT makaASTM A252 LSAW Steel Pipe:

Nnwale NDT(RT).

Nnwale Hydrostatic

Nnwale igwe

Nnwale ịgbagọ—ogologo ọkpọkọ zuru oke ga-eguzo ka ọ na-ehulata oyi site na 90 Celsius gburugburu ebe obibi cylindrical.

Nnwale na-enwu enwu-ọ bụ ezie na a dịghị achọ nnwale, ọkpọkọ ga-enwe ike imezu ihe ndị a chọrọ nlebara anya.

Nnwale Hydro-static-ma e wezụga dị ka ekwe, onye ọ bụla ogologo ọkpọkọ ga-edobe na hydro-static ule na-enweghị ntapu site ọkpọkọ mgbidi.

Nnwale eletrik anaghị emebi emebi-dị ka ihe ọzọ na hydro-static test, a ga-anwale ahụ zuru oke nke ọ bụla ọkpọkọ na-adịghị emebi emebi eletriki .Ebe a na-eme ule eletrik na-adịghị emebi emebi, ogologo ya ga-eji mkpụrụedemede "NDE" akara.

Nyocha ultrasonic

Nyocha eddy ugbu a

Ngwa nkeASTM A252 LSAW Steel Pipe:

Pipe n'okpuru nkọwapụta a bụ maka ọkpọkọ ọkpọkọ nke ígwè cylinder na-arụ ọrụ dị ka onye na-ebu ibu na-adịgide adịgide, ma ọ bụ dị ka shei na-emepụta ihe nkedo-na-ebe ihe ikpo ihe.

Ọnụ ala dị ala ASTM a 252 Steel Pipe Pile

Nnade nke mpụga dayameta, mgbidi ọkpụrụkpụ, ogologo na arọ:

Dayameta dị n'èzí	Dayameta dị n'èzí nke ikpo ọkpọkọ agaghị adịgasị iche karịa ± 1% site na nke akọwapụtara n'èzí.
Ọkpụrụkpụ mgbidi	Ọkpụrụkpụ mgbidi n'oge ọ bụla agaghị abụ ihe karịrị 12.5% n'okpuru ọkpụrụkpụ mgbidi aha akọwapụtara.
Ogologo	A ga-edobe ikpo ọkpọkọ n'otu ogologo enweghị usoro, ogologo abụọ enweghị usoro, ma ọ bụ n'ogologo otu dị ka akọwapụtara n'usoro ịzụrụ, dabere na oke ndị a:	Otu ogologo random	16 ruo 25ft (4.88 ruo 7.62mm), inch
		Ogologo okpukpu abụọ enweghị usoro	Ihe karịrị 25ft (7.62m) yana opekempe nke 35ft (10.67m)
		Ogologo uwe	ogologo dị ka akọwapụtara ya na mgbanwe ikike nke ±1 in.
Ibu	A ga-atụle ogologo ọ bụla nke ọkpọkọ ọkpọkọ iche iche na ịdị arọ ya agaghị adịgasị iche karịa 15% karịa ma ọ bụ 5% n'okpuru usoro iwu ya, gbakọọ na-eji ogologo ya na ịdị arọ ya n'ogologo otu nkeji.