Rahi Diameter Welded Paipa Steel Tubular Piles
Pupu paipa maitaika hangaia ma te whakamahi i nga rawa o te kounga teitei me te hangarau matatau, ka tino pono mo tetahi kaupapa hanga.Ko enei puranga ka whakamahia i roto i nga cofferdams me o raatau hanganga kaha e whakarite ana i te haumaru me te pumau e hiahiatia ana mo nga turanga me etahi atu mahi hanganga.
Paerewa | Koeke maitai | Hunga matū (%) | Taonga Tensile | Charpy (V kakari) Whakamātautau Pānga | ||||||||||
c | Mn | p | s | Si | Ētahi atu | Te Kaha Tuku (Mpa) | Te Kaha Toka (Mpa) | (L0=5.65 √ S0 )min Reiti Totoro (%) | ||||||
mōrahi | mōrahi | mōrahi | mōrahi | mōrahi | min | mōrahi | min | mōrahi | D ≤ 168.33mm | D > 168.3mm | ||||
GB/T3091 -2008 | Q215A | ≤ 0.15 | 0.25 < 1.20 | 0.045 | 0.050 | 0.35 |
Te taapiri i te Nb\V\Ti kia rite ki 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 |
Ka taea te taapiri i tetahi o nga huānga Nb\V\Ti, tetahi huinga ranei o enei | 175 | 310 | 27 | Kotahi, e rua ranei o te taupū pakari o ka taea te kowhiri i te kaha paanga me te waahi kutikuti.Mo 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 | Mo te karaehe B maitai, Nb+V ≤ 0.03%; mo te maitai ≥ te kōeke B, hei taapiri atu i te Nb, i te V ranei te huinga, me te Nb+V+Ti ≤ 0.15% | 172 | 310 | (L0=50.8mm) ka tatauhia i runga i te tauira e whai ake nei: e=1944·A0 .2/U0 .0 A: Te waahi o te tauira i roto i te mm2 U: He iti rawa te kaha tensile kua tohua ki te Mpa | Karekau, tetahi ranei e rua ranei te paanga pūngao me te kutikuti Ko te waahi ka hiahiatia 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 |
To tatoupaipa paiherea diameter nuisko te tuara o enei putunga paipa maitai, e whakanui ana i te pono me te mahi.Na roto i nga mahi whakaahuru me nga tikanga whakahaere kounga, ka whakarite maatau kia tutuki ia puranga ki nga paerewa umanga teitei.Ko enei paipa he tino ngawari me te mauroa, ka taea e nga puranga paipa rino te tu ki nga ahuatanga tino kino me nga taiao kino.
Hei kaihanga-a-ahumahi, Cangzhou Spiral Steel Pipes Group Co., Ltd. kei a ia nga waahi-a-toi e hipoki ana i te waahanga neke atu i te 350,000 mita tapawha.Ki te uara rawa o runga ki te 680 miriona yuan, haumi tatou i roto i te hangarau tapahi-mata me taputapu ki te whakarite i te hanga kounga teitei.I tua atu, ko ta maatau kaimahi motuhake o nga kaimahi 680 e whakarite ana kia kaha te arowhai o te kounga o ia hua i mua i te taenga atu ki nga ringaringa o o taatau kaihoko utu nui.
He 400,000 tone to tatou wheketere paipa maitai torino me te 1.8 piriona yuan te uara whakaputa.Ko tenei tohu tohu e whakaatu ana i to maatau pono ki te kawe i te hiranga ratonga me te whakatutuki i nga hiahia o a maatau kaihoko nui o te rohe me te ao.
Pupu paipa maitaika honoa me o tatou paipa paiherea te diameter nui e whakarato ana i te tino pai, e pai ana mo te whānuitanga o nga tono.I tua atu i nga cofferdams, e whakamahia nuitia ana a tatou puranga ki te hanga piriti, hanganga tauranga me etahi atu kaupapa moana.Ko te hoahoa ahurei, porowhita ranei o enei puranga ka tino pai te pupuri i te wai me te oneone i te wa e whakarato ana i te anga hanganga kaha.
Ko te whakapumautanga o to taatau kamupene ki te kounga, ngaiotanga me te pai o nga kaihoko ka akiaki i a maatau ki te whakapai tonu i o maatau mahi whakangao me te whakawhanake otinga auaha.Ka u tonu matou ki nga paerewa mana o te kounga hei whakarite kia tino pai a matou hua me te tutuki, neke atu ranei i o tumanako.
Hei whakarāpopototanga,puranga tubular maitaikei te huri i te ahumahi hanga me te kaha me te mauroa o ta tatou paipa paiherea te diameter nui.Na to ratou kaha ki te tu atu ki nga ahuatanga wero me o raatau whakamahinga motuhake i roto i nga cofferdams, ka whakaratohia e enei puranga he whakamarumaru me te tautoko kore.Mahi tahi me Cangzhou Spiral Steel Pipes Group Co., Ltd. ki te tiki i nga hua tino kounga hei whakarei ake i o kaupapa me te whakarato otinga roa.