API 5L X42, e mōhiotia ana ko L290, he momo paipa raina e whakamahia ana i roto i te umanga hinu me te hau.
Ko ngā āhuatanga rauemi hete kaha whakaputa iti rawa o te 42,100 psi(290 MPa) me tete kaha kume iti rawa o te 60,200 psi(415 MPa). Kotahi te taumata teitei ake i te API 5L Taumata B, ā, he pai mō ngā tono kaha-waenga.
Ko te X42 he mea hanga noa i roto i ngā momo Seamless, SSAW, LSAW, me ERW. Kei te wātea ngā paninga me ngā whakaotinga hei whakatutuki i ngā whakaritenga tono motuhake.
Ngā Tikanga Tukunga
I runga i ngā tikanga tuku me te taumata PSL, ka taea te whakarōpū penei:
PSL1: X42, L290 rānei;
PSL2: X42R, X42N, X42Q, X42M, L290R, L290N, L290Q, L290M rānei;
He rerekē te maimoatanga wera e tohuhia ana e ia reta o te kupu whakamutunga PSL2.
R: Kua hurihia;
N: Te Whakaōrite;
Q: Kua tineia, kua whakamahanatia;
MMaimoatanga wera-mīhini.
Tukanga Hanga
Mā te X42 ka taea te mahi i te tukanga hanga e whai ake nei:
Ki te mea he uaua ki a koe te mārama ki ēnei whakarāpopototanga, tirohia ā mātou kohinga tuhinga mōngā whakarāpopototanga noa mō ngā paipa maitai.
Ka taea e Botop Steel te whakarato ki a koe i ngā rahi paipa rerekē e whakaaturia ana i te ripanga i raro nei.
Ā mātou Awhe Tuku
Paerewa: API 5L (ISO 3183);
PSL1: X42, L290 rānei;
PSL2: X42R, X42N, X42Q, X42M, L290R, L290N, L290Q, L290M rānei;
Paipa maitai whakarewa:LSAW(SAWL), SSAW (HSAW), DSAW, ERW;
Paipa maitai kore-tuitui:SMLS;
Ngā Rārangi Paipa: SCH10, SCH20, SCH30, SCH40, SCH60, SCH80, SCH100, SCH120, SCH140 me te SCH160.
Tautuhinga: STD (Paerewa), XS (Tino Kaha), XXS (Taurua Tino Kaha);
Paninga: Peita, wanihi,3LPE, FBE, 3LPP, HDPE, piauau, epoxy whai-konutea, sima taumaha, me ētahi atu
Te tākai: Kakahu ārai wai, pouaka rakau, whitiki maitai, waea maitai rānei, parenga pito paipa kirihou, rino rānei, me ētahi atu. Whakaritea.
Ngā Hua Taurite: Ngā Piko,ngā āputa, ngā hononga paipa, me ētahi atu hua e ōrite ana e wātea ana.
Hanganga Matū API 5L X42
Te Hanganga Matū mō te Paipa PSL 1 me te t ≤ 25.0 mm (0.984 inihi)
Te Hanganga Matū mō te Paipa PSL 2 me te t ≤ 25.0 mm (0.984 inihi)
Mō ngā hua paipa maitai PSL2 i tātarihia ki tete ihirangi waro o ≤0.12%, te ōrite waro CEpcmka taea te tatau mā te whakamahi i te tātai e whai ake nei:
CEpcm= C + Si/30 + Mn/20 + Cu/20 + Ni/60 + Cr/20 + Mo/15 + V/15 + 5B
Mō ngā hua paipa maitai PSL2 i tātarihia ki tete nui o te waro > 0.12%, te ōrite waro CEllwka taea te tatau mā te whakamahi i te tātai i raro nei:
CEllw= C + Mn/6 + (Cr + Mo + V)/5 + (Ni +Cu)/15
Te Hanganga Matū me te t ＞ 25.0 mm (0.984 inihi)
Ka taea tēnei te whakatau mā te titiro ki te hanganga matū i runga ake nei.
Ngā Āhuatanga Hangarau API 5L X42
Ngā Āhuatanga Kume
Ko te whakamātautau kume he whakamātautau matua mō ngā āhuatanga ā-pūkaha o ngā ngongo maitai, e taea ai te ine i te kaha tuku, te kaha kume, me te roa o te whakarewa.
Ko te kaha whakaputa o te X42 he 42,100 psi, 290 MPa rānei.
Ko te kaha kume o te X42 he 60,200 psi, 415 MPa rānei.
Ngā Āhuatanga Kume PSL1 X42
Ngā Āhuatanga Kume PSL2 X42
TuhipokaKei te wāhanga Āhuatanga Mīhini oAPI 5L X52, ka taea te tiro mā te pāwhiri i te momotuhi kikorangi mēnā kei te hiahia koe.
Ētahi atu Whakamātautau Mīhini
Whakamātautau Piko
Whakamātautau Whakapapatahi
Whakamātautau Piko-ārahi
Whakamātautau Pānga CVN mō te Paipa PSL 2
Whakamātautau DWT mō te Paipa Whakarewa PSL 2
Heoi anō, kāore e hiahiatia kia whakamatautauria ngā ngongo katoa mō te huinga katoa o ngā āhuatanga ā-pūkaha, engari ka tīpakohia ngā whakamātautau kia rite ki te momo ngongo. Kei roto i ngā Ripanga 17 me te 18 o te paerewa API 5L ngā whakaritenga motuhake.
Ka taea hoki e koe te whakapā mai ki a mātou mō ēnei mōhiohio.
Whakamātautau Waipūmau
Wā Whakamātautau
Ngā rahi katoa o ngā ngongo maitai kore hononga me ngā ngongo maitai whakarewa me te D ≤ 457 mm (18 inihi):wā whakamātautau ≥ 5s;
Paipa maitai whakarewa D > 457 mm (18 inihi):wā whakamātautau ≥ 10s.
Auautanga Whakamātautau
Ia paipa maitaiā, kaua hoki e turuturu mai i te whakarewa, i te tinana paipa rānei i te wā o te whakamātautau.
Ngā pēhanga whakamātautau
Ko te pēhanga whakamātautau wai ātete P o tepaipa maitai pito-koreka taea te tatau mā te whakamahi i te tātai.
P = 2St/D
Sko te ahotea o te porowhita. he ōrite te uara ki te kaha tuku iti rawa kua tohua o te ōrau paipa maitai xa, i roto i te MPa (psi);
tko te matotoru o te pakitara kua tohua, e whakaaturia ana i roto i ngā mirimita (inihi);
Dko te diameter o waho kua tohua, e whakaaturia ana i roto i ngā mirimita (inihi).
Tirotiro Kore-Whakangaro
Mō ngā ngongo SAW, ngā tikanga e rua,UT(whakamātautau ultrasonic) rāneiRT(whakamātautau x-ray), e whakamahia ana i te nuinga o te wā.
ET(whakamātautau hikohiko) kāore e pā ki ngā ngongo SAW.
Me tirotirohia ngā hononga whakarewa i runga i ngā paipa whakarewa o ngā taumata ≥ L210/A me ngā diameter ≥ 60.3 mm (2.375 inihi) kia kore ai e whakangaromia, kia kitea ai te matotoru me te roa katoa (100%) e ai ki te whakaritenga.
Whakamātautau kore-whakangaro UT
Whakamātautau kore-whakangaro RT
Me whakamātautau kore-whakangaro katoa ngā ngongo tuimotu katoa o te PSL 2, me ngā ngongo tuimotu kua tineia, kua whakamaroketia hoki o te PSL1 Grade B.
Ka taea te whakamahi i te kotahi, i te huinga rānei o te ET (Whakamātautau Hikohiko), te UT (Whakamātautau Ultrasonic), me te MT (Whakamātautau Matūriki Aukume) mō te NDT.
Ngā Ātete Ahu
Kei roto i ngā taipitopito o ngā whakaritenga API 5L mō ngā manawanui ā-ahuAPI 5L Tau BHei karo i te tāruarua, ka taea e koe te pāwhiri i te momotuhi kikorangi hei tiro i ngā taipitopito e tika ana.
Tūtohi Kaupapa Paipa API 5L
Hei ngāwari ake te tiro me te whakamahi, kua whakaritea e mātou ngā kōnae PDF e tika ana. Ka taea e koe te tango me te tiro i ēnei tuhinga mēnā e tika ana.
Hei tāpiritanga, e tohu ana te API 5L i te diameter o waho kua whakaaetia me te matotoru o te pakitara kua tohua.
Ngā Ātete Ahu
Kei roto i ngā taipitopito o ngā whakaritenga API 5L mō ngā manawanui ā-ahuAPI 5L Tau BHei karo i te tāruarua, ka taea e koe te pāwhiri i te momotuhi kikorangi hei tiro i ngā taipitopito e tika ana.
Ā Mātou Hua e Pā Ana
Paipa Whakarewa-āwhata API 5L PSL1&PSL2 GR.B
Ngā Whakatakotoranga Paipa Rino Whakarewa API 5L X52, L360 rānei LSAW
Ngā Whakatakotoranga Paipa Raina Whakarewa API 5L X60, L415 rānei LSAW
Ngā Whakatakotoranga Paipa Raina Whakarewa API 5L X65 me L450 LSAW
Ngā Whakatakotoranga Paipa Raina Whakarewa API 5L X70, L485 rānei LSAW
Mai i tōna whakatūnga i te tau 2014,Botop Steelkua noho hei kaiwhakarato matua o ngā paipa maitai waro i te Tai Tokerau o Haina, e mōhiotia ana mō te ratonga pai rawa atu, ngā hua kounga teitei, me ngā otinga whānui.
He maha ngā momo paipa rino waro me ngā hua e pā ana ki tēnei kamupene, tae atu ki ngā paipa rino kore-tuia, ERW, LSAW, me SSAW, me te whānuitanga katoa o ngā hononga paipa me ngā flanges. Kei roto hoki i āna hua motuhake ngā koranu kounga teitei me ngā rino kowiri tira austenitic, i hangaia kia tutuki ai ngā hiahia o ngā kaupapa paipa rerekē.
