Ngongo Whakarewa Porowhita Āwhata Rukuhia mō ngā Raina Hau

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Ka whakaatuhia e mātoutōremingongo whakarewa porowhita pewa i hangaia mō ngā tono paipa hau maori.

Taipitopito Hua

Ngā Tohu Hua

Ka hangaia tonutia ngā paipa whakarewa porowhita, ā, e ai ki te ariā, ka taea te whakaputa i ngā paipa rino roa mutunga kore. Mā tēnei tukanga whakaputa ka whakaitihia te ngaronga tapahi o te pane me te hiku, ka whakapiki ake hoki i te whakamahinga o te konganuku mā te 6% ki te 8%. Mā tēnei ka hua ake he penapena utu me te whai hua mō ā mātou kiritaki.

Tō mātoungā ngongo porowhita kua whakapirihiaHe pai ake te ngāwari o te mahi ki te whakataurite ki ngā paipa honohono tika tuku iho. He ngāwari te whakawhiti me te whakarite i ngā momo, he mea pai mō ngā kaupapa e hiahia ana kia urutau me te whakarite. Hei tāpiri, mā te kaha miihini me te aunoatanga o ā mātou paipa honohono porowhita ka taea te whakatinana ngāwari i roto i ngā momo taiao ahumahi.

Paerewa	Te taumata maitai	Te hanganga matū								Ngā āhuatanga kume					Whakamātautau Pānga Charpy me te Whakamātautau Roimata Taumaha Taka
		C	Mn	P	S	Ti	Ētahi atu	CEV4)（%）		Rt0.5 Mpa Kaha tuku		Rm Mpa Kaha kume		A% L0=5.65 √ S0 Te toronga
		mōrahi	mōrahi	mōrahi	mōrahi	mōrahi		mōrahi	mōrahi	meneti	mōrahi	meneti	mōrahi
API Spec 5L（PSL2）	B	0.22	1.20	0.025	0.015	0.04	Mō ngā momo maitai katoa: Tāpirihia he Nb, he V rānei, he huinga rānei hei whiriwhiri o rātou, engari Nb+V+Ti ≤ 0.15%, me te Nb+V ≤ 0.06% mō te taumata B	0.25	0.43	241	448	414	758	Hei tatau e ai ki te te tātai e whai ake nei: e=1944·A0.2/U0.9 A: Wāhanga-whakawhiti horahanga o te tauira i roto i te mm2 U: Te kaha kume iti rawa kua tohua i roto i Mpa	He whakamātautau e hiahiatia ana, he whakamātautau whiriwhiri anō hoki. Mō ētahi atu kōrero, tirohia te paerewa taketake.
	X42	0.22	1.30	0.025	0.015	0.04		0.25	0.43	290	496	414	758
	X46	0.22	1.40	0.025	0.015	0.04		0.25	0.43	317	524	434	758
	X52	0.22	1.40	0.025	0.015	0.04		0.25	0.43	359	531	455	758
	X56	0.22	1.40	0.025	0.015	0.04		0.25	0.43	386	544	490	758
	X60	0.22	1.40	0.025	0.015	0.04		0.25	0.43	414	565	517	758
	X65	0.22	1.45	0.025	0.015	0.06		0.25	0.43	448	600	531	758
	X70	0.22	1.65	0.025	0.015	0.06		0.25	0.43	483	621	565	758
	X80	0.22	1.65	0.025	0.015	0.06		0.25	0.43	552	690	621	827
	1)CE(Pcm)=C+ Si/30 +（Mn+Cu+Cr）/20 + Ni/60 + No/15 + V/10 + 58
	2)CE(LLW)=C+ Mn/6 + (Cr+Mo+V)/5 + (Ni+Cu)/15

Mōngā raina hau, he otinga pakari, he otinga pono hoki te ngongo whakarewa porowhita. Mā tana tukanga whakaputa tonu ka mau tonu te kounga me te kaha, he mea nui mō te kawe hau māori. Nā te ngāwari me te urutau o te ngongo whakarewa porowhita ka pai hoki mōpaipa whakarewa pewangā tono. Ahakoa he kaupapa ahumahi, arumoni, whare noho rānei, ka whakaratohia e ā mātou hua te mahi me te pono e hiahiatia ana e koe.

Ka hangaia ā mātou ngongo whakarewa porowhita ki ngā paerewa kounga teitei rawa atu kia tutuki ai ngā whakaritenga a te umanga. Ka whakamahia e mātou ngā hangarau hou me te miihini tika hei whakaputa hua e hipa ana i ngā tumanakohanga. Ka whakamatautauria, ka tirotirohia hoki ia paipa kia tino tutuki ai ngā whakaritenga e tika ana mō ngā tono paipa hau.

Haunga ngā painga hangarau, kua hangaia ā mātou ngongo whakarewa porowhita kia whai whakaaro ki ngā hiahia o ngā kiritaki. Mai i te tāutanga ki te tiaki, kua hangaia ā mātou ngongo whakarewa porowhita kia tino whai hua ai.

E whakapau kaha ana mātou ki te whakarato i ngā hua me ngā otinga pai rawa atu ki ō mātou kiritaki hei whakatutuki i ā rātou hiahia. Ko te whakaurunga mai o tā mātou paipa whakarewa porowhita e whakaatu ana i tō mātou whakapau kaha ki te auahatanga me te hiranga i roto i te umanga. E whakapono ana mātou ka tutuki ā mātou hua i ngā hiahia o ngā tono raina hau, ā, ka hipa atu i tēnā, ā, e tumanako ana mātou ki te whakatutuki i ngā hiahia o ā mātou kiritaki me ngā hua me te tautoko kounga teitei.

O mua: Ngā Paipa Pou Whakarewa Nui

Panuku: Ngā Paipa SSAW Diameter Nui mō ngā Paipa Hauhanga

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