Te Whakarewa Ngongo me te Mahi Pono

Whakaahuatanga Poto:

Ka whakamahia e tēnei hangarau ngā pāmahana teitei hei hanga i tētahi hononga kaha, pumau hoki i waenga i ngā paipa, kia tino pono ai te mahi a ā mātou hua ahakoa i roto i ngā taiao tino uaua. Ahakoa kei roto koe i te umanga hau māori, e hiahia ana rānei koe ki ngā otinga paipa pono mō ētahi atu mahi, ka tutuki ā mātou paipa i ō tumanakohanga, ā, ka hipa atu i tēnā.

Tukua mai he īmēra ki a mātou

Taipitopito Hua

Ngā Tohu Hua

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.
	4）CEV=C+ Mn/6 + (Cr+Mo+V)/5 + (Cu+Ni)/5

Painga Kamupene

Kei Cangzhou, te Porowini o Hebei tō mātou wheketere, ā, kei mua tonu mātou i te hanga paipa rino kounga teitei mai i te tīmatanga o tō mātou wheketere i te tau 1993. E 350,000 mita pūrua te rahi o tō mātou wheketere, ā, e 680 miriona RMB te tapeke o ngā rawa, ka taea te whakaputa i te 400,000 tāne o ngā paipa rino porowhita ia tau, ā, e 680 ngā tohunga ngaio.

Whakataki Hua

E whakaatahia ana tō mātou whakapau kaha ki te hiranga i roto i tā mātou tukanga whakarewa pewa ātaahua, he taahiraa nui tēnei i roto i te hanga o tā mātou paipa whakarewa porowhita. Ka whakamahia e tēnei hangarau ngā pāmahana teitei hei hanga i tētahi hononga kaha, pumau hoki i waenga i ngā paipa, kia tino whai hua ai ā mātou hua ahakoa i roto i ngā taiao tino uaua. Ahakoa kei roto koe i te umanga hau maori, e hiahia ana rānei koe ki ngā otinga paipa pono mō ētahi atu mahi, ka tutuki ā mātou paipa, ā, ka hipa atu i ō tumanakohanga.

Me te arotahi ki te kounga me te auahatanga, e whakahīhī ana mātou ki te whakarato i ngā whakarewa paipa e whakamana ana i te mahi roa. Ehara i te mea ko ā mātoupaipa porowhita kua whakarewainahe kaha, he pakari, he tino whai hua hoki, nō reira he mea tino pai mō ngā kaupapa e hiahia ana kia pono, kia roa hoki te ora.

Āhuatanga matua

Ko tētahi o ngā āhuatanga matua o te whakarewa ngongo ko tōna whakawhirinaki ki te whakarewa āwhata, he tikanga e whakamahi ana i ngā pāmahana teitei hei hanga hononga kaha, pakari hoki i waenga i ngā ngongo maitai. He mea nui te tukanga hei whakarite i te pono me te pono o te hua whakamutunga, inā koa i ngā tono e tino hira ana te haumaru me te mahi, pērā i te kawe hau māori.

Ko te tukanga whakarewa pewa ko te whakarewa i ngā taha o te paipa me te hono i a rātou, ka hanga he hononga maeneene e taea ai te tu atu i te pēhanga teitei me ngā āhuatanga tino kino. Ehara i te mea ka whakanui ake tēnei tikanga i te kaha o te paipa, engari ka roa ake hoki tōna roanga mahi, ka waiho hei whiringa pai mō ngā momo mahi ahumahi.

Hei tāpiritanga, ko te tika me te tohungatanga e hiahiatia ana mō te whakarewa paipa e whakaatu ana hoki i te whakapau kaha o te kamupene ki te kounga. Mā te haumi ki ngā hangarau matatau me te hunga mahi pūkenga, ka whakarite te wheketere o Cangzhou kia tutuki i ia paipa whakarewa porowhita ngā paerewa ahumahi tino pakari, kia marino ai te hinengaro me te whakapono ki te hua.

Painga Hua

Ko tētahi o ngā painga nui o te whakarewa ngongo ko tōna kaha ki te whakaputa hononga kaha e taea ai te tu atu i ngā pēhanga teitei me ngā āhuatanga tino kino. He mea nui tēnei i roto i te umanga hau māori, he mea nui te kounga o te paipa. Mā te tukanga whakarewa āwhata ka whakarite kiawhakarewa ngongoehara i te mea he kaha anake engari he pumau hoki, e whakaiti ana i te mōrearea o ngā turuturu me ngā pakaru. Hei tāpiri, mā te whai huatanga o te whakarewa ngongo ka taea e ngā kaihanga te whakaputa tere i ngā rahinga nui o ngā paipa maitai porowhita hei whakatutuki i te hiahia o te mākete e tipu haere ana.

Ngā ngoikoretanga o te hua

Me whai kaimahi mātau, me te whakahaere tika hoki i ngā tawhā whakarewa hei karo i ngā hapa pēnei i te porosity, te kore rānei o te hanumi. Ka taea e ēnei take te whakararu i te kounga o te hua whakamutunga, ā, ka arahi pea ki ngā tūponotanga haumaru.

Hei tāpiri, mā ngā pāmahana tiketike o te whakarewa pewa ka puta he ahotea toenga ki roto i te rauemi, ka pā ki te mahi roa o te paipa.

Ngā Pātai Auau

Q1: He aha te whakarewa pewa?

Ko te whakarewa āwhata he tikanga e whakamahi ana i ngā pāmahana teitei e whakaputaina ana e te āwhata hiko hei whakarewa me te hono i ngā rau whakarewa. Mō ngā paipa whakarewa porowhita, he mea nui tēnei tikanga hei hanga hononga kaha i waenga i ngā paipa, he mea nui ki te mahi me te roa o te ora o te paipa.

P2: He aha te hiranga o te whakarewa pewa mō ngā paipa hau māori?

Me tutuki i ngā paipa hau māori ngā paerewa haumaru me te pono. Mā te tukanga whakarewa pewa ka taea e ngā hononga whakarewa te tu atu i ngā pēhanga teitei me te ātete ki te waikura, he mea tino pai mō te kawe i te hau māori i ngā tawhiti roa.

Q3: Kei hea tō kamupene?

Kei Cangzhou, te Porowini o Hebei, tō mātou wheketere, he rohe e mōhiotia ana mō tōna kaha ahumahi. I whakatūhia tō mātou kamupene i te tau 1993, ā, kua tino tipu haere ki te kapi i te rohe 350,000 mita pūrua, ā, e 680 ngā kaimahi pono e mahi ana.

Q4: He aha tō kaha whakaputa?

E whakahīhī ana mātou ki te whakaputa i te 400,000 tāne o te paipa maitai porowhita ia tau. Ko tēnei rahinga whakaputa whakamiharo he tohu i tō mātou whakapau kaha ki te kounga me te whai huatanga o tā mātou tukanga hanga.

O mua: Ngā Paipa Hanganga Wāhanga-Kowhao Pono mō te Anga Kaha

Panuku: Ratonga Paipa Parakaingaki Ngaio

Tuhia tō karere ki konei ka tuku mai ki a mātou