Te Whakapai Ake i te Whai Hua o ngā Hanganga me te Paipa Rino Porowhita S355 JR: He Huringa Kēmu mō te Hanganga Paipa Hau Taiao Hou

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.


Taipitopito Hua

Ngā Tohu Hua

Kupu Whakataki:

Ko te pikinga ake o te hiahia mō te pūngao whai hua me te pono kua waiho hei āwangawanga nui mā ngā kāwanatanga me ngā ahumahi o te ao. Nā te mea ko ngā paipa hau māori ngā uaua o te kawe hau māori, he mea nui te whiriwhiri rauemi paipa kia pai ai te tuku pūngao me te pumau. I roto i tēnei tuhinga, ka tūhuratia e mātou te āhua o te paipa maitai porowhita S355 JR, e mōhiotia ana kopaipa tuitui porowhita, kei te huri haere i te hanganga paipa hau māori, e whakapai ake ana i te haumaru, te pakari me te whai huatanga o te kawe waka.

Āhuatanga Mīhini

kounga maitai

te kaha hua iti rawa
Mpa

Te kaha o te kume

Te roanga iti rawa
%

Pūngao pānga iti rawa
J

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

27

-

-

S355J0H

365

345

510-680

470-630

20

-

27

-

S355J2H

27

-

-

S355K2H

40

-

-

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.

Whakamātautau Waipūmau

Me whakamātautau ia roa o te paipa e te kaihanga ki te pēhanga wai-pūmau ka puta he ahotea i roto i te pakitara o te paipa kāore i raro iho i te 60% o te kaha tuku iti rawa kua tohua i te pāmahana rūma. Me whakatau te pēhanga mā te whārite e whai ake nei:
P=2St/D

Ngā Rerekētanga e Whakaaetia ana i roto i ngā Taumaha me ngā Ahu

Me paunatia motuhake ia roa o te paipa, ā, kaua tōna taumaha e neke atu i te 10% neke atu, i te 5.5% rānei i raro i tōna taumaha matapae, mā te tatau i tōna roa me tōna taumaha mō ia wae roa.
Kaua te whānui o waho e neke atu i te ±1% mai i te whānui o waho kua tohua
Ko te matotoru o te pakitara i tetahi wāhi kaua e neke ake i te 12.5% ​​i raro i te matotoru o te pakitara kua tohua

Paipa Whakarewahia Helical

1. Kia mārama ki te paipa maitai porowhita S355 JR:

Paipa maitai porowhita S355 JRHe mea hanga ki te maitai S355JR kounga teitei, ā, he paipa tuitui porowhita i hangaia mō ngā mahi hanga paipa hau. Mā te hanganga tuitui porowhita ka tino kaha, ka ngāwari hoki te paipa, ā, he mea tino pai mō te tuku me te kawe i te hau māori i tawhiti. Mā tōna pakari ka ātete ki ngā āhuatanga o waho pērā i te nekehanga whenua, te mahi rū whenua me te waikura oneone, ā, ka roa te ora me te pumau o te pūnaha paipa hau māori.

2. Te haumaru i te tuatahi:

He mea nui te pono me te haumaru o ngā paipa hau māori ki te oranga o ngā hapori me te taiao. He mea nui te kaha me te roa o te paipa maitai porowhita S355 JR ki te whakaiti i te tūponotanga o ngā turuturu, ngā pakaru me ngā aituā e whai ake nei. Nā tōna hanganga porowhita, ka mau tonu te hanganga o te paipa ahakoa i roto i ngā whenua uaua, i ngā āhuatanga huarere kino rānei. Mā te whakauru i tēnei paipa ki roto i te pūnaha paipa hau māori ka whakaitihia te tūponotanga o ngā tūponotanga taiao, ā, ka taea te rere tonu o te hau māori ki ngā kaiwhakamahi mutunga.

3. Te pakari o ngā hanganga pumau:

Mā te pakari rawa o te paipa rino porowhita S355 JR ka roa te ora o tō hanganga paipa hau, ka penapenahia ngā utu tiaki me te whakakapinga i roto i te wā. He mea hanga te paipa ki te rino S355JR kounga teitei, he ātete pai ki te waikura, ki te pānga me te ātete ki te kakahu. Ka whakaitihia e tēnei ātete ngā whakatikatika me ngā whakakapinga, ā, ka whakaitihia te pānga taiao whānui me ngā tukunga waro e pā ana ki te tiaki me te hanga anō i ngā paipa. Ko te roa o te ora o te paipa rino porowhita S355 JR ka whai wāhi tika ki tētahi pūnaha paipa hau pumau ake, ā, he pai ake te taiao.

4. Whakapai ake i te whai huatanga o te kawe waka:

Ko te whai huatanga o te kawe hau māori ko te whakaiti i ngā ngaronga pūngao me te whakanui ake i te kaha tuku. Mā te hanganga hononga porowhita o te paipa maitai porowhita S355 JR ka taea te rere o te hau maeneene, pumau, ka whakaiti i ngā ngaronga waku me te whakanui ake i te kaha kawe o te paipa. He mata ōrite o roto o te paipa e whakarite ana i te pai o te rere, nā reira ka whakaitihia te whakapaunga pūngao me te whakanui ake i te whai huatanga. Hei tāpiri, nā te āhua mama o te paipa ka māmā ake te whakahaere, te kawe me te tāutanga, ka penapena i te wā me te utu i te wā hanga.

Whakatau:

Kua whakamātauhia te whakaurunga o te paipa rino porowhita S355 JR ki roto i te hanganga paipa hau māori hei whakapai ake i te whai huatanga o ngā hanganga. Mā te kaha, te roa me ngā āhuatanga haumaru o te paipa ka āwhina i te rere pai o te hau māori, ka whakaiti i te tūponotanga o ngā aituā, ngā tūponotanga taiao me ngā utu tiaki. Mā te arotau i te whai huatanga o te kawe waka me te whakaiti i ngā ngaronga pūngao, he mahi nui tā te paipa ki te whakatutuki i te hiahia pūngao e tipu haere ana, me te awhi i ngā mahi pumau. He mea nui te haumi ki ngā otinga auaha pēnei i te paipa rino porowhita S355 JR mō ngā kāwanatanga, ngā ahumahi me ngā hapori kia whakarite i te tuku pūngao pono, whai hua, me te whakarite i te ara mō te heke mai o te pūngao ma.


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