Ipayipi Lensimbi le-A252 GRADE 3 Lemigqa Yokuthuthwa Kwendle

Incazelo emfushane:

Ukwethula Ipayipi Lensimbi le-A252 GRADE 3: Ukuguqula Ukwakhiwa Kwentambo Yendle

Imininingwane Yomkhiqizo

Amathegi Omkhiqizo

Ezweni lokuklama nokwakha ubunjiniyela, ukuba namapayipi ensimbi athembekile naguquguqukayo kubalulekile. Ipayipi lensimbi i-A252 GRADE 3 lifanelana kahle nale ncazelo, okwenza libe ngenye yezinhlobo zamapayipi ensimbi asetshenziswa kakhulu kuzo zonke izimboni. Ngamandla alo aphezulu kanye nokumelana nokugqwala, leli payipi lensimbi liletha inguquko engakaze ibonwe ekwakhiweni kwamapayipi endle.

Ipayipi lensimbi le-A252 GRADE 3yaziwa ngamandla ayo aphezulu okubamba, idlula ezinye izinhlobo zamapayipi ensimbi. Inokumelana okukhulu kokubamba nokucindezelwa, okuqinisekisa ukuqina okuhle kwesakhiwo. Lesi sici siba sibaluleke kakhulu lapho imigqa yendle ithwalwa khona imithwalo emikhulu ukuqinisekisa ukusebenza okuthembekile nokuhlala isikhathi eside. Ochwepheshe emkhakheni wobunjiniyela bangathemba leli payipi lensimbi ukuthi lizomelana nezimo ezinzima kakhulu.

Esinye isici esiphawulekayo sepayipi lensimbi le-A252 Grade 3 ukuphathwa kwalo okungaphezulu. Ukuqinisekisa ikhwalithi ephezulu, amapayipi aphathwa ngokucophelela ukuze kuvinjelwe ukugqwala nokubola. Lokhu kusho ukuthi ipayipi lingasebenza ezindaweni ezigqwala kakhulu njengezilwandle, amaxhaphozi nezitshalo zamakhemikhali ngaphandle kokuphazamisa ukusebenza kwalo. Ukuqina kobuso bepayipi kwenza kube ukukhetha okuhle kakhulu kumaphrojekthi adinga ukumelana nokugqwala okuphezulu.

Ububanzi Bangaphandle Obucacisiwe (D)		Ubukhulu Bodonga Obucacisiwe ngo-mm	Ingcindezi yokuhlola encane kakhulu （Mpa）
Ububanzi Bangaphandle Obucacisiwe (D)			Ibanga Lensimbi
in	mm		L210(A)	L245(B)	L290(X42)	L320(X46)	L360(X52)	L390(X56)	L415(X60)	L450(X65)	L485(X70)	L555(X80)
8-5/8	219.1	5.0	5.8	6.7	9.9	11.0	12.3	13.4	14.2	15.4	16.6	19.0
		7.0	8.1	9.4	13.9	15.3	17.3	18.7	19.9	20.7	20.7	20.7
		10.0	11.5	13.4	19.9	20.7	20.7	20.7	20.7	20.7	20.7	20.7
9-5/8	244.5	5.0	5.2	6.0	10.1	11.1	12.5	13.6	14.4	15.6	16.9	19.3
		7.0	7.2	8.4	14.1	15.6	17.5	19.0	20.2	20.7	20.7	20.7
		10.0	10.3	12.0	20.2	20.7	20.7	20.7	20.7	20.7	20.7	20.7
10-3/4	273.1	5.0	4.6	5.4	9.0	10.1	11.2	12.1	12.9	14.0	15.1	17.3
		7.0	6.5	7.5	12.6	13.9	15.7	17.0	18.1	19.6	20.7	20.7
		10.0	9.2	10.8	18.1	19.9	20.7	20.7	20.7	20.7	20.7	20.7
12-3/4	323.9	5.0	3.9	4.5	7.6	8.4	9.4	10.2	10.9	11.8	12.7	14.6
		7.0	5.5	6.5	10.7	11.8	13.2	14.3	15.2	16.5	17.8	20.4
		10.0	7.8	9.1	15.2	16.8	18.9	20.5	20.7	20.7	20.7	20.7
	(325.0)	5.0	3.9	4.5	7.6	8.4	9.4	10.2	10.9	11.8	12.7	14.5
		7.0	5.4	6.3	10.6	11.7	13.2	14.3	15.2	16.5	17.8	20.3
		10.0	7.8	9.0	15.2	16.7	18.8	20.4	20.7	20.7	20.7	20.7
13-3/8	339.7	5.0	3.7	4.3	7.3	8.0	9.0	9.8	10.4	11.3	12.1	13.9
		8.0	5.9	6.9	11.6	12.8	14.4	15.6	16.6	18.0	19.4	20.7
		12.0	8.9	10.4	17.4	19.2	20.7	20.7	20.7	20.7	20.7	20.7
14	355.6	6.0	4.3	5.0	8.3	9.2	10.3	11.2	11.9	12.9	13.9	15.9
		8.0	5.7	6.6	11.1	12.2	13.8	14.9	15.9	17.2	18.6	20.7
		12.0	8.5	9.9	16.6	18.4	20.7	20.7	20.7	20.7	20.7	20.7
	(377.0)	6.0	4.0	4.7	7.8	8.6	9.7	10.6	11.2	12.2	13.1	15.0
		8.0	5.3	6.2	10.5	11.5	13.0	14.1	15.0	16.2	17.5	20.0
		12.0	8.0	9.4	15.7	17.3	19.5	20.7	20.7	20.7	20.7	20.7
16	406.4	6.0	3.7	4.3	7.3	8.0	9.0	9.8	10.4	11.3	12.2	13.9
		8.0	5.0	5.8	9.7	10.7	12.0	13.1	13.9	15.1	16.2	18.6
		12.0	7.4	8.7	14.6	16.1	18.1	19.6	20.7	20.7	20.7	20.7
	(426.0)	6.0	3.5	4.1	6.9	7.7	8.6	9.3	9.9	10.8	11.6	13.3
		8.0	4.7	5.5	9.3	10.2	11.5	12.5	13.2	14.4	15.5	17.7
		12.0	7.1	8.3	13.9	15.3	17.2	18.7	19.9	20.7	20.7	20.7
18	457.0	6.0	3.3	3.9	6.5	7.1	8.0	8.7	9.3	10.0	10.8	12.4
		8.0	4.4	5.1	8.6	9.5	10.7	11.6	12.4	13.4	14.4	16.5
		12.0	6.6	7.7	12.9	14.3	16.1	17.4	18.5	20.1	20.7	20.7
20	508.0	6.0	3.0	3.5	6.2	6.8	7.7	8.3	8.8	9.6	10.3	11.8
		8.0	4.0	4.6	8.2	9.1	10.2	11.1	11.8	12.8	13.7	15.7
		12.0	6.0	6.9	12.3	13.6	15.3	16.6	17.6	19.1	20.6	20.7
		16.0	7.9	9.3	16.4	18.1	20.4	20.7	20.7	20.7	20.7	20.7
	(529.0)	6.0	2.9	3.3	5.9	6.5	7.3	8.0	8.5	9.2	9.9	11.3
		9.0	4.3	5.0	8.9	9.8	11.0	11.9	12.7	13.8	14.9	17.0
		12.0	5.7	6.7	11.8	13.1	14.7	15.9	16.9	18.4	19.8	20.7
		14.0	6.7	7.8	13.8	15.2	17.1	18.6	19.8	20.7	20.7	20.7
		16.0	7.6	8.9	15.8	17.4	19.6	20.7	20.7	20.7	20.7	20.7
22	559.0	6.0	2.7	3.2	5.6	6.2	7.0	7.5	8.0	8.7	9.4	10.7
		9.0	4.1	4.7	8.4	9.3	10.4	11.3	12.0	13.0	14.1	16.1
		12.0	5.4	6.3	11.2	12.4	13.9	15.1	16.0	17.4	18.7	20.7
		14.0	6.3	7.4	13.1	14.4	16.2	17.6	18.7	20.3	20.7	20.7
		19.1	8.6	10.0	17.8	19.7	20.7	20.7	20.7	20.7	20.7	20.7
		22.2	10.0	11.7	20.7	20.7	20.7	20.7	20.7	20.7	20.7	20.7
24	610.0	6.0	2.5	2.9	5.1	5.7	6.4	6.9	7.3	8.0	8.6	9.8
		9.0	3.7	4.3	7.7	8.5	9.6	10.4	11.0	12.0	12.9	14.7
		12.0	5.0	5.8	10.3	11.3	12.7	13.8	14.7	15.9	17.2	19.7
		14.0	5.8	6.8	12.0	13.2	14.9	16.1	17.1	18.6	20.0	20.7
		19.1	7.9	9.1	16.3	17.9	20.2	20.7	20.7	20.7	20.7	20.7
		25.4	10.5	12.0	20.7	20.7	20.7	20.7	20.7	20.7	20.7	20.7
	(630.0)	6.0	2.4	2.8	5.0	5.5	6.2	6.7	7.1	7.7	8.3	9.5
		9.0	3.6	4.2	7.5	8.2	9.3	10.0	10.7	11.6	12.5	14.3
		12.0	4.8	5.6	9.9	11.0	12.3	13.4	14.2	15.4	16.6	19.0
		16.0	6.4	7.5	13.3	14.6	16.5	17.8	19.0	20.6	20.7	20.7
		19.1	7.6	8.9	15.8	17.5	19.6	20.7	20.7	20.7	20.7	20.7
		25.4	10.2	11.9	20.7	20.7	20.7	20.7	20.7	20.7	20.7	20.7

Ukuguquguquka kwepayipi lensimbi le-A252 Grade 3 kufakazelwe ngezinhlelo zalo eziningi. Ngaphezu komthelela walo ekwakhiweni kwendle, lingasetshenziswa ezimbonini ezahlukahlukene okuhlanganisa uwoyela negesi, amaphrojekthi okwelashwa kwamanzi kanye nengqalasizinda. Lokhu kuguquguquka kwenza kube ukukhetha kokuqala konjiniyela kanye nabakhi abafuna izixazululo zamapayipi ensimbi ezithembekile nezisebenzayo zamaphrojekthi abo.

Uma kukhulunywa ngokuthiindleumugqaukwakhiwa, amapayipi ensimbi e-A252 Grade 3 avelele. Amandla ayo aphezulu kanye nokumelana nokugqwala kuyenza ihluke kwamanye amapayipi ensimbi emakethe. Ngokukhetha lolu hlobo lwepayipi, onjiniyela bangaqiniseka ukuthi iphrojekthi yabo izohlala isikhathi eside, iqinisekise ukuqina nokusimama komklamo wayo.

Ngamafuphi, ipayipi lensimbi i-A252 GRADE 3 lishintsha kakhulu ukwakhiwa kwamapayipi okuhambisa amanzi ngokwakhiwa kwalo okuhlanganisiwe okuphindwe kabili okumboziwe. Amandla alo ayingqayizivele okubamba kanye nokumelana nokugqwala kwenza kube ukukhetha okuhle konjiniyela abafuna izixazululo zamapayipi ensimbi ezinokwethenjelwa neziguquguqukayo. Kungakhathaliseki ukuthi ukuqina kwesakhiwo noma isidingo sokubekezelela izindawo ezigqwala kakhulu, leli payipi lensimbi lidlula okulindelwe. Yamukela ipayipi lensimbi i-A252 GRADE 3 bese uzwa ikhwalithi engenakuqhathaniswa eliyiletha emsebenzini wakho wobunjiniyela.

Okwedlule: Ipayipi Lensimbi Ejikelezayo le-S355 JR Lomugqa Wendle

Olandelayo: Qonda Izicelo Nezinzuzo Zepayipi Lensimbi Ejikelezayo le-S235 J0

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