Paipa Whakarewa Nui, Puranga Ngongo Rino

Whakaahuatanga Poto:

He harikoa mātou ki te whakarewa i tā mātou hua auaha, arā, ngā pou whakarewa ngongo, i hangaia hei whakarato i te whai huatanga tino pai mō ngā momo mahi, inā koa ko ngā tāwharau. He hoahoa piko, porowhita rānei ēnei pou hei whakakī i te kaha me te roa o te mau, hei ārai i te wai, te oneone me te onepu kia kore ai e uru.


Taipitopito Hua

Ngā Tohu Hua

Ngā puranga paipa maitaiHe mea hanga ēnei pou ki ngā rauemi kounga teitei me ngā hangarau matatau, ā, he tino pono mō ngā kaupapa hanga katoa. He mea whakamahi noa ēnei pou i roto i ngā tāwharau, ā, mā te hoahoa pakari o te hanganga ka noho haumaru, ka pumau hoki ngā turanga me ngā mahi hanganga kē atu.

Paerewa  

Te Kaupae Rino

Ngā Kaihanga Matū (%) Āhuatanga Kume Charpy

(V notch)

Whakamātautau Pānga

c Mn p s Si Ētahi atu Te Kaha o te Hua

(Mpa)

Kaha Kume

(Mpa)

(L0=5.65 √ S0)Te Tere Totoro meneti (%)
mōrahi mōrahi mōrahi mōrahi mōrahi meneti mōrahi meneti mōrahi D ≤ 168.33mm D > 168.3mm
 

 

 

GB/T3091 -2008

Q215A ≤ 0.15 0.25 < 1.20 0.045 0.050 0.35  

 

Te tāpiri i te Nb\V\Ti i runga anō i te GB/T1591-94

215   335   15 > 31  
Q215B ≤ 0.15 0.25-0.55 0.045 0.045 0.035 215 335 15 > 31
Q235A ≤ 0.22 0.30 < 0.65 0.045 0.050 0.035 235 375 15 >26
Q235B ≤ 0.20 0.30 ≤ 1.80 0.045 0.045 0.035 235 375 15 >26
Q295A 0.16 0.80-1.50 0.045 0.045 0.55 295 390 13 >23
Q295B 0.16 0.80-1.50 0.045 0.040 0.55 295 390 13 >23
Q345A 0.20 1.00-1.60 0.045 0.045 0.55 345 510 13 >21
Q345B 0.20 1.00-1.60 0.045 0.040 0.55 345 510 13 >21
 

 

 

 

GB/

T9711-

2011

(PSL1)

L175 0.21 0.60 0.030 0.030    

 

 

He kōwhiringa te tāpiri i tētahi o ngā huānga Nb\V\Ti, i tētahi huinga rānei o aua huānga

175   310   27  

Kotahi, e rua rānei o te taupū pakari o

ka taea te whiriwhiri i te kaha pānga me te rohe kutikuti. Mō

L555, tirohia te paerewa.

L210 0.22 0.90 0.030 0.030 210 335 25
L245 0.26 1.20 0.030 0.030 245 415 21
L290 0.26 1.30 0.030 0.030 290 415 21
L320 0.26 1.40 0.030 0.030 320 435 20
L360 0.26 1.40 0.030 0.030 360 460 19
L390 0.26 1.40 0.030 0.030 390 390 18
L415 0.26 1.40 0.030 0.030 415 520 17
L450 0.26 1.45 0.030 0.030 450 535 17
L485 0.26 1.65 0.030 0.030 485 570 16
 

 

 

 

API 5L (PSL 1)

A25 0.21 0.60 0.030 0.030    

Mō te maitai kounga B,

Nb+V ≤ 0.03%;

mō te maitai ≥ karaehe B, me tāpiri atu he Nb, he V rānei, he mea whiriwhiri rānei

te huinga, me te Nb+V+Ti ≤ 0.15%

172   310    

(L0=50.8mm)kia

i tatauhia kia rite ki te tātai e whai ake nei:

e=1944·A0 .2/U0 .0

A: Te horahanga o te tauira i roto i te mm2 U: Te kaha kume iti rawa kua tohua i roto i te Mpa

 

Kāore, kāore rānei

rānei o ngā mea e rua

te pānga

pūngao me te

te kutikuti

e hiahiatia ana te horahanga hei paearu pakari.

A 0.22 0.90 0.030 0.030   207 331
B 0.26 1.20 0.030 0.030   241 414
X42 0.26 1.30 0.030 0.030   290 414
X46 0.26 1.40 0.030 0.030   317 434
X52 0.26 1.40 0.030 0.030   359 455
X56 0.26 1.40 0.030 0.030   386 490
X60 0.26 1.40 0.030 0.030   414 517
X65 0.26 1.45 0.030 0.030   448 531
X70 0.26 1.65 0.030 0.030   483 565

Tō mātoupaipa whakarewa whānui nuisko rātou te pou tuarā o ēnei puranga paipa rino, e whakarei ake ana i tō rātou pono me te mahi. Mā te whakarewa me ngā tukanga whakahaere kounga, ka whakarite mātou kia tutuki ia puranga i ngā paerewa ahumahi teitei rawa atu. He tino ngāwari me te roa ēnei paipa, e āhei ai ngā puranga paipa rino ki te tu atu i ngā āhuatanga tino kino me ngā taiao uaua.

Hei kaihanga matua o te umanga, kei a Cangzhou Spiral Steel Pipes Group Co., Ltd. ngā whare hou e kapi ana i te rohe neke atu i te 350,000 mita pūrua. Me te uara rawa tae atu ki te 680 miriona yuan, ka haumi mātou ki ngā hangarau me ngā taputapu hou hei whakarite i te kounga teitei o te whakaputanga. Hei tāpiri, mā tā mātou rōpū kaimahi 680 e whakarite kia tirotirohia te kounga o ia hua i mua i te taenga atu ki ngā ringaringa o ā mātou kiritaki nui.

Paipa SSAW

E 400,000 tāne te nui o ngā paipa rino porowhita e whakaputaina ana e tā mātou wheketere i ia tau, ā, e 1.8 piriona yuan te uara o te whakaputanga. E whakaatu ana tēnei tohu i tā mātou whakapau kaha ki te whakarato ratonga hiranga me te whakatutuki i ngā hiahia o ā mātou kiritaki nui i te rohe me te ao whānui.

Ngā puranga paipa maitaiMā te whakakotahitanga me ā mātou paipa whakarewa whānui, ka tino whai hua te mahi, ā, he pai mō ngā momo mahi maha. Haunga ngā tāwharau, ka whakamahia whānuitia ā mātou pou i roto i te hanganga piriti, te hanganga tauranga me ētahi atu kaupapa moana. Mā te hoahoa piko, porowhita rānei o ēnei pou ka mau tonu te wai me te oneone me te whakarato i te anga hanganga pakari.

Ko te whakapau kaha o tā mātou kamupene ki te kounga, te ngaiotanga me te makona o ngā kiritaki te mea e akiaki ana i a mātou ki te whakapai tonu i ā mātou tukanga hanga me te whakawhanake i ngā otinga auaha. E piri ana mātou ki ngā paerewa whakahaere kounga tino pakari kia tino kounga ai ā mātou hua, kia tutuki ai, kia hipa atu rānei i ō tumanakohanga.

Hei whakarāpopototanga,ngā puranga ngongo maitaiKei te hurihia te umanga hanga me te kaha me te pakari o ā mātou paipa whakarewa whānui. Mā te kaha ki te tu atu ki ngā āhuatanga uaua me te whakamahinga motuhake i roto i ngā tāwharau, ka whakaratohia e ēnei pou he tiaki me te tautoko tino pai. Mahi tahi me Cangzhou Spiral Steel Pipes Group Co., Ltd. ki te tiki hua kounga teitei hei whakarei ake i ō kaupapa me te whakarato otinga roa.


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