Ngā Paipa Hanga Matao, EN10219 S235JRH, S235J0H, S355JRH, S355J0H

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

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 kounga 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


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