Paipa maitai waro porowhita kua whakarewahia mō ngā ngongo raina wai

Whakaahuatanga Poto:

I roto i te whenua whānui o ngā hanganga, ko te whakahaere pai o ngā pūnaha wai me ngā tukanga ahumahi e whakawhirinaki nui ana ki te pakari me te whai huatanga o ngā paipa. I roto i ngā momo paipa e whakamahia ana, me aro nui ki ngā paipa maitai waro kua whakapirihia porowhita mō tō rātou kaha me te maha o ngā whakamahinga. Kei raro nei ka tīmata he whakaahuatanga mō te hiranga me ngā painga o ngā paipa maitai waro kua whakapirihia porowhita i roto ingā ngongo wai me te whakarewa i ngā paipa whakarewa.

Tukua mai he īmēra ki a mātou

Taipitopito Hua

Ngā Tohu Hua

1. Kia mārama ki te paipa maitai waro porowhita kua whakapirihia:

Paipa maitai waro porowhita kua whakapirihiahe mea hanga porowhita, he mea whakarewa mai i ngā koiri maitai. Mā te tukanga hanga ahurei ka kaha ake, ka pakari ake hoki ēnei paipa, ka taea te tu atu ki ngā pēhanga teitei o roto, o waho hoki. Nā te kaha ki te ātete i te waikura me te whakarerekētanga āhua, ka pai hoki mō te whānuitanga o ngā mahi, tae atu ki ngā paipa wai me te whakarewa paipa whakarewa.

Paerewa	Te taumata maitai	Te hanganga matū									Ngā āhuatanga kume							Whakamātautau Pānga Charpy me te Whakamātautau Roimata Taumaha Taka
		C	Si	Mn	P	S	V	Nb	Ti		CEV4)（%）	Rt0.5 Mpa Kaha tuku		Rm Mpa Kaha Kume		Rt0.5/ Rm	（L0=5.65 √ S0）Te Toronga A%
		mōrahi	mōrahi	mōrahi	mōrahi	mōrahi	mōrahi	mōrahi	mōrahi	Ētahi atu	mōrahi	meneti	mōrahi	meneti	mōrahi	mōrahi	meneti
	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	Whakamātautau pānga charpy: Me whakamātauhia te kaha mimiti pānga o te tinana paipa me te hononga whakarewa kia rite ki te paerewa taketake. Mō ētahi atu taipitopito, tirohia te paerewa taketake. Whakamātautau haehae taumaha maturuturu: Rohe kutikuti kōwhiringa
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	Te whiriwhiringa	555	705	625	825	0.95	18
	Tuhipoka:
	1）0.015 ≤ Altot ＜ 0.060；N ≤ 0.012；AI—N ≥ 2—1；Cu ≤ 0.25；Ni ≤ 0.30；Cr ≤ 0.30；Cr ≤ 0.30；
	2）V+Nb+Ti ≤ 0.015%
	3）Mō ngā momo maitai katoa, ka taea te ≤ 0.35% te Mo, i raro i tētahi kirimana.
	Mn Cr+Mo+V Cu+Ni 4）CEV=C+ 6 + 5 + 5

2. Ngā ngongo wai:

I roto i ngā pūnaha tohatoha wai, he mea nui te tuku wai ma ki te haumaru me te whai hua. Kua whakamātauhia te paipa maitai waro porowhita hei whiringa pono mō ngā paipa wai nā ōna āhuatanga ātete ki te waikura. Mā te mata maeneene o ēnei paipa ka whakaitihia te waku, ka whakarite kia rere tonu te wai, ka whakaitihia hoki te aueue. Hei tāpiri, mā te kaha me te manawanui o roto ka tiakina mai i ngā turuturu, ngā pakaru, me ngā pakaru hanganga, ka whakarite kia haere tonu te tuku wai pono.

3. Te whakarewa i ngā paipa whakarewa:

He nui te whakawhirinaki o te umanga whakarewa ki ngā paipa maitai waro kua whakarewahia porowhita mō ngā momo mahi maha. Nā te kaha me te ngāwari o ēnei paipa, he mea tino pai mō te whakarewa paipa whakarewa. Ahakoa te hanga i ngā tāke rokiroki nui, ngā paipa hei kawe i te hinu me te hau, ngā wāhanga hanganga rānei i roto i ngā taiao ahumahi, he mea nui te mahi a ngā paipa maitai waro kua whakarewahia porowhita. Mā te ōrite o ngā hononga kua whakarewahia ka whakarite i te pono me te haumaru o te hanganga, ka whakaiti i te hiahia mō te tiaki me te whakatikatika auau.

4. Ngā painga me ngā painga:

4.1 Otinga utu-whai hua: He otinga utu-whai hua te paipa maitai waro kua whakapirihia ki te porowhita mō te whakapiri i ngā paipa wai me ngā paipa whakarewa. Nā te pakari me te ātete ki te waikura ka roa ake te ora o te mahi, ā, ka whakaitihia ngā utu whakakapinga me te tiaki.

4.2 Ngāwari ki te tāuta: Mā te hangarau whakarewa porowhita e whakamahia ana i roto i te tukanga hanga ka taea te whakaputa paipa roa ake, tonu hoki, ka whakaiti i te hiahia mō ngā hononga auau. Mā tēnei hoahoa ngāwari ka māmā ake te tukanga tāutanga, ka penapena i te wā me te kaha.

4.3 Ngā Mahi Whānui: Kei te wātea ngā paipa maitai waro whakarewa porowhita i roto i ngā momo diameter me ngā matotoru, e āhei ai te whakarerekē i a rātou ki ngā tono rerekē. Ka taea te whakarite kia tutuki ai ngā whakaritenga kaupapa motuhake, kia urutau ai ki ngā momo wai, pēhanga me ngā pāmahana.

4.4 Te tiaki i te taiao: He rauemi hangarua te maitai waro e whai wāhi ana ki te oranga tonutanga o te taiao. Ka taea te hangarua me te whakamahi anō i ngā paipa maitai waro kua whakapirihia kia porowhita, hei whakaiti i te para me te tiaki i ngā rauemi taiao.

Hei whakamutunga:

Ngā āheinga me ngā painga o ngā paipa maitai waro porowhita i roto i ngā paipa wai mewhakarewa paipa whakarewakāore e taea te whakaiti. Ko te whakawhiti pai me te pono o te wai me ngā wai ahumahi e whakawhirinaki nui ana ki tōna pakari, te ātete ki te waikura me te ngāwari o te tāutanga. I te mea kei te piki haere tonu te hiahia mō ngā hanganga kaha me te utu-whai hua, ka noho tonu ngā paipa maitai waro kua whakarewahia hei wāhanga nui hei whakarite i te whakahaere maeneene o ngā pūnaha wai me ngā tukanga ahumahi huri noa i te ao.

O mua: Te Hiranga o te Paipa Āwhata Rukuhia ki te Porowhita i roto i te Whakarewa Paipa Waro Paipa Raina API 5L

Panuku: Paipa Rino A252 Tau 1 i roto i te Pūnaha Hau o te Paipa Tuitui Āpiti

Tuhia tō karere ki konei ka tuku mai ki a mātou