Umbhobho we-Spiral Welded Carbon Steels we-Spiral Welding for Water Line Tubing

Umbhobho weSteels zeCarbon eziWelded Spiral zeMibhobho yamanzi Umfanekiso obonisiweyo

Inkcazo emfutshane:

Kuyo yonke indawo enkulu yeziseko zophuhliso, ukusebenza kakuhle kweenkqubo zamanzi kunye neenkqubo zoshishino kuxhomekeke kakhulu ekuqineni nasekusebenzeni kakuhle kwemibhobho. Phakathi kweentlobo ngeentlobo zeepayipi ezisetyenziswayo, imibhobho yentsimbi yekhabhoni edityanisiweyo ejikelezayo ifanele iqwalaselwe ngenxa yamandla ayo aphezulu kunye nokuguquguquka kwayo. Apha ngezantsi siqala inkcazo yokubaluleka kunye neenzuzo zombhobho wentsimbi yekhabhoni edityanisiweyo ejikelezayo kwiityhubhu yomgca wamanzi kunye nokuwelda ngemibhobho yesinyithi.

Thumela i-imeyile kuthi

Iinkcukacha zeMveliso

Iithegi zeMveliso

1. Qonda umbhobho wentsimbi yekhabhoni odibeneyo nge-spiral:

Umbhobho wentsimbi yekhabhoni odibeneyo ojikelezayoyenziwe ngokujikajika kwaye idityaniswe ngeekhoyili zentsimbi. Inkqubo yokuvelisa eyahlukileyo yenza le mibhobho yomelele kwaye ihlale ixesha elide, ikwazi ukumelana noxinzelelo oluphezulu lwangaphakathi nolwangaphandle. Ukukwazi ukumelana nokugqwala kunye nokuguquka kuyenza ifaneleke kwiintlobo ngeentlobo zezicelo, kubandakanya imibhobho yamanzi kunye nokudityaniswe kwemibhobho yesinyithi.

Umgangatho	Ibanga lentsimbi	Ukwakheka kweekhemikhali									Iipropati zokuxinana							Uvavanyo lweCharpy Impact kunye novavanyo lweDrop Weight Tear
		C	Si	Mn	P	S	V	Nb	Ti		I-CEV4)（%）	Amandla okukhupha i-Rt0.5 Mpa		Amandla okuThanda eRm Mpa		Rt0.5/ Rm	（L0=5.65 √ S0）Ukwandiswa kwe-A%
		ubuninzi	ubuninzi	ubuninzi	ubuninzi	ubuninzi	ubuninzi	ubuninzi	ubuninzi	Okunye	ubuninzi	umzuzu	ubuninzi	umzuzu	ubuninzi	ubuninzi	umzuzu
	L245MB	0.22	0.45	1.2	0.025	0.15	0.05	0.05	0.04	1)	0.4	245	450	415	760	0.93	22	Uvavanyo lwempembelelo yeCharpy: Amandla okufunxa impembelelo yomzimba wombhobho kunye nomthungo we-weld kufuneka avavanywe njengoko kufuneka kumgangatho wokuqala. Ukuze ufumane iinkcukacha, jonga umgangatho wokuqala. Uvavanyo lokukrazula ubunzima bokulahla: Indawo yokucheba ekhethiweyo
GB/T9711-2011（PSL2）	I-L290MB	0.22	0.45	1.3	0.025	0.015	0.05	0.05	0.04	1)	0.4	290	495	415			21
	I-L320MB	0.22	0.45	1.3	0.025	0.015	0.05	0.05	0.04	1)	0.41	320	500	430			21
	I-L360MB	0.22	0.45	1.4	0.025	0.015				1)	0.41	360	530	460			20
	I-L390MB	0.22	0.45	1.4	0.025	0.15				1)	0.41	390	545	490			20
	I-L415MB	0.12	0.45	1.6	0.025	0.015				1)2)3	0.42	415	565	520			18
	I-L450MB	0.12	0.45	1.6	0.025	0.015				1)2)3	0.43	450	600	535			18
	I-L485MB	0.12	0.45	1.7	0.025	0.015				1)2)3	0.43	485	635	570			18
	I-L555MB	0.12	0.45	1.85	0.025	0.015				1)2)3	Ingxoxo	555	705	625	825	0.95	18
	Phawula:
	1）0.015 ≤ Altot ＜ 0.060;N ≤ 0.012;AI—N ≥ 2—1;Cu ≤ 0.25;Ni ≤ 0.30；Cr ≤ 0.30；Mo ≤ 0.10;
	2（V+Nb+Ti ≤ 0.015%
	3）Kuzo zonke iiklasi zentsimbi, iMo inokuba ≤ 0.35%, phantsi kwesivumelwano.
	Mn Cr+Mo+V I-Cu+Ni 4）CEV=C+ 6 + 5 + 5

2. Imibhobho yamanzi:

Kwiinkqubo zokusasaza amanzi, ukuhanjiswa kwamanzi acocekileyo ngokukhuselekileyo nangokufanelekileyo kubalulekile. Umbhobho wentsimbi yekhabhoni odibeneyo ojikelezayo ubonakalise ukuba lukhetho oluthembekileyo kwimibhobho yamanzi ngenxa yeempawu zawo zokumelana nokugqwala. Umphezulu ogudileyo wale mibhobho unciphisa ukungqubana, ukuqinisekisa ukuhamba kwamanzi rhoqo kunye nokunciphisa ukuxinana. Ukongeza, amandla angaphakathi kunye nokuqina kuqinisekisa ukhuseleko ekuvuza, ukuqhekeka, kunye nokusilela kwesakhiwo, ukuqinisekisa ukunikezelwa kwamanzi okuqhubekayo nokuthembekileyo.

3. Ukuwelda imibhobho yesinyithi:

Ishishini lokuwelda lixhomekeke kakhulu kumbhobho wentsimbi yekhabhoni odibeneyo ojikelezileyo kwiindlela ezahlukeneyo zokusebenza. Amandla angaqhelekanga kunye nokuguquguquka kwezi mbhobho kuzenza zilungele ukuwelda kwimbhobho yesinyithi. Nokuba zakha iitanki ezinkulu zokugcina, imibhobho yokuthutha ioyile negesi, okanye izinto zokwakha kwiindawo zoshishino, imibhobho yentsimbi yekhabhoni edibeneyo ejikelezileyo idlala indima ebalulekileyo. Ukufana kwamalungu adibeneyo kuqinisekisa ukuthembeka nokhuseleko lwesakhiwo, kunciphisa isidingo sokugcinwa okanye ukulungiswa rhoqo.

4. Iingenelo kunye neenzuzo:

4.1 Isisombululo esingabizi kakhulu: Umbhobho wentsimbi yekhabhoni odityanisiweyo ojikelezayo ubonelela ngesisombululo esingabizi kakhulu sokudityaniselwa kwemibhobho yamanzi kunye nemibhobho yesinyithi. Ukuqina kwayo kunye nokumelana nokugqwala kuqinisekisa ubomi benkonzo obude, ngaloo ndlela kunciphisa iindleko zokutshintshwa kunye nokugcinwa.

4.2 Kulula ukuyifaka: Itekhnoloji yokudibanisa i-spiral esetyenziswa kwinkqubo yokuvelisa inokuvelisa imibhobho emide neqhubekayo, inciphisa isidingo sokudibanisa rhoqo. Olu yilo lulula lwenza inkqubo yokufakela ibe lula, longa ixesha kunye nomgudu.

4.3 Ukuguquguquka: Imibhobho yentsimbi yekhabhoni edityanisiweyo nge-spiral iyafumaneka kwiindidi ezahlukeneyo zobubanzi kunye nobukhulu, nto leyo evumela ukuba ilungelelaniswe nezicelo ezahlukeneyo. Inokwenziwa ngokwezifiso ukuhlangabezana neemfuno ezithile zeprojekthi, ivumelane nolwelo olwahlukeneyo, uxinzelelo kunye namaqondo obushushu.

4.4 Ukhuseleko lwendalo: Intsimbi yekhabhoni yinto ephinda isetyenziswe enegalelo ekuzinzeni kwendalo. Imibhobho yentsimbi yekhabhoni edityanisiweyo ejikelezayo inokuphinda isetyenziswe kwaye isetyenziswe, ukunciphisa inkunkuma kunye nokukhusela izixhobo zendalo.

Ukuququmbela:

Amandla kunye neenzuzo zemibhobho yentsimbi yekhabhoni edibeneyo ejikelezayo kwimibhobho yamanzi kunyeukuwelda imibhobho yesinyithiayinakuthathelwa ngqalelo. Ukudluliselwa kwamanzi kunye nolwelo olusebenzayo noluthembekileyo kuxhomekeke kakhulu ekuqineni kwazo, ukumelana nokugqwala kunye nokulula kokufakwa. Njengoko isidingo seziseko ezingundoqo ezomeleleyo nezingabizi kakhulu siqhubeka sikhula, imibhobho yentsimbi yekhabhoni edibeneyo ejikelezayo iya kuhlala iyinxalenye ebalulekileyo ekuqinisekiseni ukusebenza kakuhle kweenkqubo zamanzi kunye neenkqubo zoshishino kwihlabathi liphela.

Ngaphambili: Ukubaluleka kweSpiral Submerged Arc Pipe kwi-API 5L Line Pipe Carbon Pipe Welding

Okulandelayo: Inkqubo yeGesi yePipeline yeNsimbi yeBanga loku-1 ye-A252 kwi-Helical Seam Pipeline

Bhala umyalezo wakho apha uze uwuthumele kuthi