Mapaipi ozungulira ozungulira a Underground Natural Gas Line

Mapaipi olumikizidwa mozungulira a Mzere wa Gasi Wachilengedwe Wapansi pa Dziko Chithunzi Chowonetsedwa

Kufotokozera Kwachidule:

Tikukudziwitsani za chinthu chathu chaposachedwa - chitoliro cholumikizidwa mozungulira, chomwe ndi gawo lofunikira kwambiri la njira yotumizira mapaipi a gasi wachilengedwe pansi pa nthaka.

Tumizani imelo kwa ife

Tsatanetsatane wa Zamalonda

Ma tag a Zamalonda

Mapaipi ozungulira ozungulirandizofunikira kwambiri m'mafakitale, makamaka pomanga mapaipi otumizira mafuta ndi gasi. Mafotokozedwe awo amafotokozedwa mu mainchesi akunja ndi makulidwe a khoma, kusonyeza kusinthasintha kwawo komanso kusinthasintha malinga ndi zofunikira zosiyanasiyana za mapaipi.

Muyezo	Kalasi yachitsulo	Kapangidwe ka mankhwala									Katundu wokoka							Mayeso a Charpy Impact ndi Mayeso a Drop Weight Tear
		C	Si	Mn	P	S	V	Nb	Ti		CEV4)（%）	Mphamvu ya Rt0.5 Mpa		Mphamvu Yokoka ya Rm Mpa		Rt0.5/ Rm	（L0=5.65 √ S0）Kutalikirana A%
		kuchuluka	kuchuluka	kuchuluka	kuchuluka	kuchuluka	kuchuluka	kuchuluka	kuchuluka	Zina	kuchuluka	mphindi	kuchuluka	mphindi	kuchuluka	kuchuluka	mphindi
	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	Mayeso a Charpy Impact: Mphamvu yoyamwa mphamvu ya thupi la chitoliro ndi msoko wothira weld iyenera kuyesedwa monga momwe zimafunikira mu muyezo woyambirira. Kuti mudziwe zambiri, onani muyezo woyambirira. Mayeso a Drop Weight Footing: Malo odulira tsitsi omwe mungasankhe
GB/T9711-2011（PSL2）	L290MB	0.22	0.45	1.3	0.025	0.015	0.05	0.05	0.04	1)	0.4	290	495	415			21
	L320MB	0.22	0.45	1.3	0.025	0.015	0.05	0.05	0.04	1)	0.41	320	500	430			21
	L360MB	0.22	0.45	1.4	0.025	0.015				1)	0.41	360	530	460			20
	L390MB	0.22	0.45	1.4	0.025	0.15				1)	0.41	390	545	490			20
	L415MB	0.12	0.45	1.6	0.025	0.015				1)2)3	0.42	415	565	520			18
	L450MB	0.12	0.45	1.6	0.025	0.015				1)2)3	0.43	450	600	535			18
	L485MB	0.12	0.45	1.7	0.025	0.015				1)2)3	0.43	485	635	570			18
	L555MB	0.12	0.45	1.85	0.025	0.015				1)2)3	Kukambirana	555	705	625	825	0.95	18
	Zindikirani:
	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）Pazitsulo zonse, Mo ikhoza kukhala ≤ 0.35%, pansi pa mgwirizano.
	4）CEV=C+ Mn/6 + (Cr+Mo+V)/5 + (Cu+Ni)/5

Njira yopangira chitoliro cholumikizidwa ndi spiral imagwiritsa ntchito ukadaulo wapamwamba wolumikizira mapaipi, kupanga mapaipi olumikizidwa mbali imodzi kapena ziwiri. Njira zolumikizira izi zimatsimikizira kulimba kwambiri komanso kudalirika kwa payipi, zomwe zimatha kupirira zovuta zampweya wachilengedwe wapansi panthakakutumiza.

Pa malo athu opangira zinthu, tikutsimikizira kuti mapaipi athu olumikizidwa mozungulira amayesedwa bwino kuti atsimikizire kuti ali ndi magwiridwe antchito abwino kwambiri. Ndikofunikira kuti mapaipi olumikizidwawo akwaniritse malamulo oyesera ma hydraulic, mphamvu yokoka komanso mphamvu zopindika zozizira.

https://www.leadingsteels.com/helical-seam-carbon-steel-pipes-astm-a139-grade-abc-product/

Mapaipi athu opangidwa ndi spiral welded adapangidwa kuti apitirire miyezo yamakampani ndikukwaniritsa zofunikira kwambiri zamachitidwe otumizira mpweya wachilengedwe pansi pa nthaka. Adapangidwa kuti azipirira nyengo zosiyanasiyana zachilengedwe, kuonetsetsa kuti ndi olimba komanso otetezeka nthawi yayitali pakugwiritsa ntchito kulikonse.

Kugwiritsa ntchito mapaipi olumikizidwa ndi spiral mu njira zoyendera mpweya wachilengedwe pansi pa nthaka kumapereka njira yothandiza komanso yothandiza yoyendera mpweya wachilengedwe. Kulimba kwa kapangidwe kolumikizidwa ndi spiral kumaonetsetsa kuti mpweya ufika ndipo kumachepetsa chiopsezo cha kutuluka kwa madzi kapena dzimbiri pakapita nthawi, zomwe zimapatsa mtendere wamumtima kwa ogwiritsa ntchito ndi ogwiritsa ntchito.

Tadzipereka kupatsa makasitomala athu zinthu zabwino kwambiri, ndipo mapaipi athu olumikizidwa ndi spiral ndi umboni wa kudzipereka kwathu ku ntchito yabwino kwambiri m'makampani. Timaika patsogolo kulimba, magwiridwe antchito, komanso chitetezo cha zinthu zathu, ndikuonetsetsa kuti zikukwaniritsa ndikupitilira zofunikira zolimba za makina otumizira mpweya wachilengedwe pansi pa nthaka.

Mwachidule, mapaipi athu olumikizidwa ndi spiral welded ndi gawo lofunika kwambiri pakupanga ndi kukonza njira zoyendera mpweya wachilengedwe pansi pa nthaka. Chifukwa cha kapangidwe kake kapamwamba, kutsatira miyezo yamakampani, komanso kudzipereka kosalekeza ku khalidwe, mapaipi athu olumikizidwa ndi spiral welded ndi abwino kwambiri pa ntchito iliyonse yotumizira mpweya wachilengedwe. Gwirizanani nafe kuti mupereke chitoliro cholumikizidwa ndi spiral welded chapamwamba kwambiri chomwe chikugwirizana ndi zosowa zanu zotumizira mpweya wachilengedwe pansi pa nthaka.

Yapitayi: Chitoliro cha Zitsulo cha Spiral Seam Chopangira Mapaipi a Madzi Okhala Pansi pa Dziko

Ena: Ubwino wa Mapaipi Achitsulo a A252 Giredi 3 Ogwiritsidwa Ntchito Pomanga Mapaipi a Madzi Otayira ndi Mafuta

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