Ngā Paipa Whakarewa Āwhata Rua Rukuhia hei Whakapai ake i te Pūmautanga Hanganga

Whakaahuatanga Poto:

Ko tēnei wāhanga o tēnei Paerewa Pākehā e whakamārama ana i ngā tikanga tuku hangarau mō ngā wāhanga hanganga whakarewa matao, ngā wāhanga tuwhera o ngā āhua porowhita, tapawhā, tapawhā rite rānei, ā, e pā ana ki ngā wāhanga hanganga tuwhera i hangaia matao me te kore he maimoatanga wera i muri mai.

E whakarato ana a Cangzhou Spiral Steel Pipes Group Co., Ltd i ngā paipa maitai porowhita tuwhera hei hanga hanganga.

Tukua mai he īmēra ki a mātou

Taipitopito Hua

Ngā Tohu Hua

Whakamōhio mai:

I roto i te ao hangarau hanganga, kāore e taea te whakanui rawa i te hiranga o te whakamahi i ngā rauemi kounga me ngā tikanga hanga. I roto i ngā momo wāhanga e whakamahia ana i roto i ngā kaupapa hanga, he mahi nui tā ngā paipa. Ka whakamāramahia e mātou te hiranga o ngā paipa whakapiri takirua, ka tūhuratia hoki ō rātou āhuatanga, ō rātou painga me pēhea e taea ai e rātou te āwhina i te whakapakari i te hanganga.

Akohia ngā paipa whakarewa takirua:

Paipa takirua kua whakarewahia, e mōhiotia ana ko te paipa takirua kua whakarewahia ki te pewa ruku (Ngā Paipa DSAW), ka hangaia mā te whakamahi i te tukanga whakarewa pewa i raro i te wai. Ko te hangarau nei ko te whakakotahi i ngā pereti maitai motuhake e rua kia roa ai te hononga, kia kaha ai, kia mau tonu ai hoki. Ko te nuinga o ēnei paipa e whakamahia ana i roto i ngā tono pēhanga teitei, i ngā paipa wai whenua me te hau māori, i te tūhuratanga hinu, me ngā papaaho moana.

Āhuatanga Mīhini

kounga maitai	te kaha hua iti rawa Mpa		Te kaha o te kume		Te roanga iti rawa %	Pūngao pānga iti rawa J
kounga maitai	Te matotoru kua tohua mm		Te matotoru kua tohua mm		Te matotoru kua tohua mm	i te pāmahana whakamātautau o
	<16	＞16≤40	<3	≥3≤40	≤40	-20℃	0℃	20℃
S235JRH	235	225	360-510	360-510	24	-	-	27
S275J0H	275	265	430-580	410-560	20	-	27	-
S275J2H	275	265	430-580	410-560	20	27	-	-
S355J0H	365	345	510-680	470-630	20	-	27	-
S355J2H						27	-	-
S355K2H						40	-	-

Whakapai ake i te pono o te hanganga:

Ko te take matua mō te whakamahipaipa takirua kua whakarewainako tō rātou kaha ki te whakarei ake i te hanganga pai. Mā te hononga honohono me te kaha, ka tukuna e ēnei paipa te ātete ki te ahotea me te roa. Mā te hononga takirua ka taea e te paipa te tu atu ki ngā taumata pēhanga teitei ake, he mea tino pai mō ngā tono nui ina raru pea te haumaru hanganga i te hononga kotahi. Mā tēnei tukanga hononga takirua ka whakakorea te tūponotanga o ngā turuturu, ngā pakaru rānei, ka whakarite i te pono mō te wā roa o tō pūnaha paipa.

Te ōwehenga kaha ki te taumaha teitei ake:

He pai rawa te ōwehenga kaha ki te taumaha o ngā paipa whakarewa takirua. Nā te tukanga whakarewa, kua iti ake te matotoru o te pakitara o ēnei paipa, ā, he mama ake, engari e mau tonu ana te pakari o te hanganga. Mā tēnei painga ōwehenga kaha-ki-taumaha ka whakaitihia te kawenga katoa i runga i te hanganga tautoko, ka waiho hei otinga utu-pai mō ngā kaupapa nui pēnei i ngā piriti, ngā pourewa, me ngā whare teitei.

Ātete ki te waikura:

Ko tētahi atu painga nui o te paipa whakapiri rua ko tōna ātete ki te waikura. Mā te hiri whakapiri piri ka hangaia he ārai kaha ki ngā āhuatanga o waho, tae atu ki te makuku, ngā matū me ngā āhuatanga o te oneone. Mā tēnei ka ārai i te mata o roto o te paipa kei pā tika ki ngā mea waikura, ka roa ake te ora o te mahi ki te whakataurite ki ngā paipa tuku iho. He tino whai hua ngā āhuatanga ātete waikura o ēnei paipa ki te umanga hinu me te hau, ina tūpono ngā paipa ki ngā āhuatanga kino.

Te Hanganga Matū

Te taumata maitai		Momo tango-waikura a	% mā te papatipu, mōrahi
Ingoa maitai	Tau maitai	C	C	Si	Mn	P	S	Nb
S235JRH	1.0039	FF	0,17	—	1.40	0,040	0,040	0.009
S275J0H	1.0149	FF	0,20	—	1.50	0,035	0,035	0,009
S275J2H	1.0138	FF	0,20	—	1.50	0,030	0,030	—
S355J0H	1.0547	FF	0,22	0,55	1,60	0,035	0,035	0,009
S355J2H	1.0576	FF	0,22	0,55	1,60	0,030	0,030	—
S355K2H	1.0512	FF	0,22	0,55	1,60	0,030	0,030	—
a. Ko te tikanga tango-waikura e whai ake nei: FF: He maitai kua whakamatea katoatia kei roto ngā huānga here hauota i roto i ngā rahinga e ranea ana hei here i te hauota e wātea ana (hei tauira, iti rawa 0,020% Al katoa, 0,015% Al wairewa rānei). b. Kāore e pā te uara mōrahi mō te hauota mēnā he iti rawa te ihirangi Al katoa o te hanganga matū o te 0,020 % me te ōwehenga Al/N iti rawa o te 2:1, mēnā rānei he nui ngā huānga here-N kē atu kei roto. Me tuhi ngā huānga here-N ki roto i te Tuhinga Tirotiro.

Ngā āhuatanga o te waka whai hua:

Mā te mata o roto maeneene, kore e mutu te pakaru o te paipa whakarewa rua ka taea te whakaputa i ngā āhuatanga rere pai. Kāore i rite ki ētahi atu momo paipa he pūwero, he ārai rānei kei roto, ka whakarite ēnei paipa kia rere tonu, kia ōrite hoki te wai, te hau rānei, ā, ka whakaitihia te ngaronga o te waku. Mā ngā āhuatanga rere pai o te paipa whakarewa rua ka āwhina i te arotau i te mahi a ngā momo tukanga ahumahi, tae atu ki ngā tipu hinu-matū, ngā whare whakapai me ngā whare maimoatanga wai.

Hei whakamutunga:

Hei whakamutunga, he wāhanga nui te paipa whakarewa takirua e whakarei ake ana i te hanganga o ngā kaupapa hanga. Ko ōna āhuatanga ahurei, tae atu ki ngā whakarewa kore hononga, te ōwehenga kaha-ki-taumaha teitei ake, te ātete ki te waikura me te rere pai, koia te mea tuatahi hei whiringa mā ngā tono e hiahia ana ki te pono, te roa me te whai hua o te utu. Mā te whakamahi i ngā paipa whakarewa takirua, ka taea e ngā miihini me ngā kaimahi kirimana te whakarite kia roa te mahi haumaru me te pumau o ngā hanganga matua, ka waiho hei taonga nui i roto i ngā mara hanga me te miihini.

Hei whakarāpopototanga, ko te paipa maitai porowhita S235 J0 e whakarato ana i te kounga me te pakari e kore e taea te whakataurite mō tōpaipa whakarewa whānui nuiengā hiahia. Mā ā rātou tukanga hanga matatau, te kounga whakarewa pai rawa atu, me ngā tirotiro kounga tino pai, ka oatihia ā mātou hua ka hipa ake i ō tumanakohanga. Whakawhirinaki ki a Cangzhou Spiral Steel Pipe Group Co., Ltd.'te tohungatanga me te wheako o nāianei hei whakatutuki i ō hiahia paipa rino katoa.