Paipa Rino Whakarewahia Porowhita mō ngā Paipa Hinu me te Hau

Whakaahuatanga Poto:

I roto i ngā mara e whanake tonu ana o te hoahoanga me te miihini, kei te haere tonu ngā whanaketanga hangarau ki te tautuhi anō i te huarahi e whakatinanahia ai ngā kaupapa. Ko tētahi o ngā mahi auaha whakamiharo ko te paipa maitai kua whakapirihia ki te porowhita. He hononga kei te mata o te paipa, ā, ka hangaia mā te piko i ngā rīpene maitai kia porowhita, kātahi ka whakapirihia, ka puta he kaha, he roa, he maha hoki ngā whakamahinga ki te tukanga whakapiri paipa. Ko te whāinga o tēnei whakaaturanga hua he whakaatu i ngā āhuatanga nui o te paipa kua whakapirihia ki te porowhita, me te whakanui i tōna tūranga whakarerekētanga i roto i te umanga hinu me te hau.

Tukua mai he īmēra ki a mātou

Taipitopito Hua

Ngā Tohu Hua

Whakamōhio mai:

Whakaahuatanga Hua:

Ngā paipa maitai porowhita kua whakapirihia, nā te hoahoa, he maha ngā painga motuhake e tukuna ana e ēnei paipa ki ngā pūnaha paipa tuku iho. Mā tōna tukanga hanga ahurei ka whakarite kia rite te matotoru puta noa i tōna roanga katoa, ā, ka tino ātete ki ngā pēhanga o roto, o waho hoki. Nā tēnei pakari ka pai ai ngā paipa porowhita kua whakarewahia mō ngā tono tuku hinu me te hau e tino hiahiatia ana te haumaru me te pono.

Mā te hangarau whakarewa porowhita e whakamahia ana i roto i tana hanga ka nui ake te ngāwari me te urutau, ka taea ai e te paipa te tu atu i ngā āhuatanga tino kino pēnei i te pāmahana teitei, ngā rerekētanga pēhanga me ngā āhuatanga taiao. Hei tāpiri, ka whakarei ake tēnei hoahoa auaha i te ātete ki te waikura me te kakahu, ka āwhina ki te whakaroa i te roa o te mahi me te whakaiti i ngā utu tiaki.

Ripanga 2 Ngā Āhuatanga Matua o te Tinana me te Matū o ngā Paipa Rino (GB/T3091-2008, GB/T9711-2011 me te API Spec 5L)
Paerewa	Te Kaupae Rino	Ngā Kaihanga Matū (%)						Āhuatanga Kume						Whakamātautau Pānga Charpy (V notch)
		c	Mn	p	s	Si	Ētahi atu	Kaha Tukunga（Mpa）		Kaha Kume (Mpa)		（L0=5.65 √ S0）Te Tere Totoro meneti （%）
		mōrahi	mōrahi	mōrahi	mōrahi	mōrahi	Ētahi atu	meneti	mōrahi	meneti	mōrahi	D ≤ 168.33mm	D ＞ 168.3mm
GB/T3091 -2008	Q215A	≤ 0.15	0.25 ＜ 1.20	0.045	0.050	0.35	Te tāpiri i te Nb\V\Ti i runga anō i te GB/T1591-94	215		335		15	> 31
	Q215B	≤ 0.15	0.25-0.55	0.045	0.045	0.035		215		335		15	> 31
	Q235A	≤ 0.22	0.30 ＜ 0.65	0.045	0.050	0.035		235		375		15	>26
	Q235B	≤ 0.20	0.30 ≤ 1.80	0.045	0.045	0.035		235		375		15	>26
	Q295A	0.16	0.80-1.50	0.045	0.045	0.55		295		390		13	>23
	Q295B	0.16	0.80-1.50	0.045	0.040	0.55		295		390		13	>23
	Q345A	0.20	1.00-1.60	0.045	0.045	0.55		345		510		13	>21
	Q345B	0.20	1.00-1.60	0.045	0.040	0.55		345		510		13	>21
GB/T9711-2011（PSL1）	L175	0.21	0.60	0.030	0.030		He kōwhiringa te tāpiri i tētahi o ngā huānga Nb\V\Ti, i tētahi huinga rānei o aua huānga	175		310		27		Ka taea te whiriwhiri i tētahi, i ētahi rānei o te taupū pakari o te kaha pānga me te horahanga kutikuti. Mō te L555, tirohia te paerewa.
	L210	0.22	0.90	0.030	0.030			210		335		25
	L245	0.26	1.20	0.030	0.030			245		415		21
	L290	0.26	1.30	0.030	0.030			290		415		21
	L320	0.26	1.40	0.030	0.030			320		435		20
	L360	0.26	1.40	0.030	0.030			360		460		19
	L390	0.26	1.40	0.030	0.030			390		390		18
	L415	0.26	1.40	0.030	0.030			415		520		17
	L450	0.26	1.45	0.030	0.030			450		535		17
	L485	0.26	1.65	0.030	0.030			485		570		16
API 5L （PSL 1）	A25	0.21	0.60	0.030	0.030		Mō te maitai taumata B, Nb+V ≤ 0.03%; mō te maitai ≥ taumata B, me tāpiri atu he Nb, he V rānei, he huinga rānei, ā, ko te Nb+V+Ti ≤ 0.15%	172		310		（L0=50.8mm）kia tatauhia kia rite ki te tātai e whai ake nei:e=1944·A0 .2/U0 .0 A:Horahanga o te tauira i roto i te mm2 U: Kaha kume iti rawa kua tohua i roto i te Mpa		Kāore e hiahiatia te kaha pānga me te horahanga kutikuti hei paearu pakari.
	A	0.22	0.90	0.030	0.030			207		331
	B	0.26	1.20	0.030	0.030			241		414
	X42	0.26	1.30	0.030	0.030			290		414
	X46	0.26	1.40	0.030	0.030			317		434
	X52	0.26	1.40	0.030	0.030			359		455
	X56	0.26	1.40	0.030	0.030			386		490
	X60	0.26	1.40	0.030	0.030			414		517
	X65	0.26	1.45	0.030	0.030			448		531
	X70	0.26	1.65	0.030	0.030			483		565

Hei tāpiritanga, mā te hononga o te whakarewa porowhita ka tino pai te mahi ātete turuturu. Nō reira, mā ngā paipa whakarewa porowhita ka whakaratohia he paipa haumaru mō te kawe hinu me te hau, ka whakaitihia te mōrearea o ngā turuturu me ngā tūponotanga taiao. Nā tēnei, me tōna pai o te rere me te mahi waipēhi tino pai, he mea tino pai mō ngā kamupene pūngao e rapu ana i ngā otinga pono me te pumau.

Kāore te maha o ngā whakamahinga o ngā paipa whakarewa porowhita e herea ana ki te kawe hinu me te hau anake. Nā tōna hanganga pakari me te tino pai o te hanganga ka taea te whakamahi i roto i ngā momo mahi, tae atu ki te tuku wai, ngā pūnaha waikeri, tae atu ki ngā kaupapa hangarau ā-iwi. Ahakoa e whakamahia ana hei kawe wai, hei hanganga tautoko rānei, he tino pai ngā paipa maitai whakarewa porowhita ki te whakarato i ngā otinga pono me te whai hua.

Nā te whakaurunga o ngā paipa maitai whakarewa porowhita kua tino pai ake ngā tikanga whakarewa paipa, kua māmā ake te tukanga, ā, kua whakaitihia te roa o te kaupapa katoa. Mā te ngāwari o te tāutanga, me te ōwehenga kaha-ki-taumaha teitei, ka taea te whakahaere i tētahi tukanga hanga kia māmā ake, kia whai hua ake hoki. Ko te tikanga o tēnei he nui ngā penapena i ngā utu mahi, ngā whakaritenga taputapu me ngā whakapaunga whakahaere kaupapa, me te whakarite hoki i te kounga teitei me te roa o te wā.

Hei whakamutunga:

Hei whakarāpopototanga, kua hurihia e te paipa whakarewa porowhita te ao o ngā tukanga whakarewa paipa, inā koa i roto i te umanga hinu me te hau. Nā te whakaurunga pai o te kaha, te roa, te whānui me te whai hua o te utu, he mea tino pai mō ngā kamupene pūngao e rapu ana i ngā otinga pono. Nā te kaha o te pēhanga, te ātete ki te waikura me te turuturu, ka nui ake ngā paipa maitai whakarewa porowhita i ngā pūnaha paipa tuku iho hei whakarato i tētahi whatunga pumau me te haumaru mō te kawe i ngā rauemi nui. I a te umanga hanga e awhi tonu ana i te ahunga whakamua hangarau, ka noho te paipa whakarewa porowhita hei tohu mō te mohio me te auahatanga o te tangata, e tohu ana i tētahi heke mai o te whai hua, te haumaru me te pono.

O mua: Ngā Paipa Whakarewa Porowhita mō ngā Paipa Hau Māori

Panuku: Te Whakapūmau i te Whai Hua me te Pakari o ngā Paipa Wai Matua mā te whakamahi i ngā Paipa Whakakotahi Porowhita

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