Fa'asu'e fa'asu'e fa'asu'e fa'alava mo laina kesi
O paipa fa'apipi'i fa'apipi'i o lo'o gaosia fa'aauau ma e mafai ona maua mai ai ni paipa u'amea umi.O lenei gaosiga e faʻaitiitia ai le gau o le ulu ma le siʻu aʻo faʻateleina le faʻaogaina o uʻamea e 6% i le 8%.Ole mea lea ole a maua ai le fa'asaoina o tau ma le fa'aogaina lelei mo a tatou tagata fa'atau.
O tatoufa'asu'e fa'ameameaofo atu e sili atu le fe'avea'i fetuutuuna'i fa'atusatusa i tu'ufa'atasiga tu'u sa'o paipa uelo.Fa'afaigofie ona fa'afesuia'i ma fetu'una'i ituaiga, fa'alelei lelei mo galuega fa'atino e mana'omia ai le fetuutuuna'i ma le fa'avasegaina.E le gata i lea, o le faʻaogaina ma le faʻaogaina o masini o tatou paipa faʻafefeteina e mafai ai ona faigofie ona faʻatinoina i le tele o siosiomaga tau pisinisi.
| Tulaga | Vasega uamea | Su'ega vaila'au | O mea tau tete'e | Su'ega o A'afiaga o Charpy ma Su'ega Loimata Pa'u | |||||||||||
| C | Mn | P | S | Ti | Isi | CEV4)（%） | Rt0.5 Mpa Malosiaga maua | Rm Mpa Malosi o le Tensile | A% L0=5.65 √ S0 Fa'aumi | ||||||
| maualuga | maualuga | maualuga | maualuga | maualuga | maualuga | maualuga | min | maualuga | min | maualuga | |||||
| API Fa'amatalaga 5L(PSL2) | B | 0.22 | 1.20 | 0.025 | 0.015 | 0.04 | Mo togi u'amea uma: Fa'aopoopo le Nb po'o le V po'o so'o se tu'ufa'atasiga o latou, ae Nb+V+Ti ≤ 0.15%, ma le Nb+V ≤ 0.06% mo le vasega B | 0.25 | 0.43 | 241 | 448 | 414 | 758 | E fa'atatau e tusa ai ma le fua fa'atatau: e=1944·A0.2/U0.9 A: Fa'asagaga fa'asaga vaega ole fa'ata'ita'iga ile mm2 U: Fa'ata'ita'i fa'amaoti malosi mālosi ile Mpa | E iai su'ega mana'omia ma su'ega e filifili ai.Mo fa'amatalaga, va'ai i le ulua'i fa'atonuga. |
| X42 | 0.22 | 1.30 | 0.025 | 0.015 | 0.04 | 0.25 | 0.43 | 290 | 496 | 414 | 758 | ||||
| X46 | 0.22 | 1.40 | 0.025 | 0.015 | 0.04 | 0.25 | 0.43 | 317 | 524 | 434 | 758 | ||||
| X52 | 0.22 | 1.40 | 0.025 | 0.015 | 0.04 | 0.25 | 0.43 | 359 | 531 | 455 | 758 | ||||
| X56 | 0.22 | 1.40 | 0.025 | 0.015 | 0.04 | 0.25 | 0.43 | 386 | 544 | 490 | 758 | ||||
| X60 | 0.22 | 1.40 | 0.025 | 0.015 | 0.04 | 0.25 | 0.43 | 414 | 565 | 517 | 758 | ||||
| X65 | 0.22 | 1.45 | 0.025 | 0.015 | 0.06 | 0.25 | 0.43 | 448 | 600 | 531 | 758 | ||||
| X70 | 0.22 | 1.65 | 0.025 | 0.015 | 0.06 | 0.25 | 0.43 | 483 | 621 | 565 | 758 | ||||
| X80 | 0.22 | 1.65 | 0.025 | 0.015 | 0.06 | 0.25 | 0.43 | 552 | 690 | 621 | 827 | ||||
| 1)CE(Pcm)=C+ Si/30 +（Mn+Cu+Cr）/20 + Ni/60 + No/15 + V/10 + 58 | |||||||||||||||
| 2)CE(LLW)=C+ Mn/6 + (Cr+Mo+V)/5 + (Ni+Cu)/15 | |||||||||||||||
Molaina kesi, spiral welded tube maua ai se vaifofo umi ma faatuatuaina.O lona fa'aauauina o le gaosiga e fa'amautinoa ai le lelei ma le malosi, lea e taua tele mo felauaiga kasa fa'anatura.O le fetuutuuna'i ma le fetuutuuna'i o le spiral welded tube e fa'apena foi mopaipa uelo arctalosaga.Pe o se galuega fa'apisinisi, pisinisi po'o fale nofomau, o matou oloa e maua ai le fa'atinoga ma le fa'amaoni e te mana'omia.
O a tatou paipa uelo faʻasolosolo e gaosia i tulaga sili ona maualuga e faʻafetaui ai manaʻoga tau pisinisi.Matou te faʻaogaina tekinolosi faʻaonaponei ma faʻainisinia saʻo e maua ai oloa e sili atu i faʻamoemoega.O paipa ta'itasi e matua'i su'esu'eina ma asiasia ina ia fa'amalieina fa'amatalaga moomia mo le fa'aogaina o paipa kesi.
E le gata i tulaga lelei fa'atekinisi, ua mamanuina a tatou paipa uelo fa'asolosolo ma mana'oga o tagata fa'atau.Mai le faʻapipiʻiina i le tausiga, o matou paipa faʻapipiʻi faʻapipiʻi ua mamanuina mo le sili ona faigofie.
Matou te tuuto atu i le tuʻuina atu ia matou tagata faʻatau oloa sili ona lelei ma fofo e faʻafetaui ai o latou manaʻoga.O le fa'aofiina o la matou paipa uelo fa'asolosolo e atagia ai lo matou tu'ufa'atasiga i le fa'afouga ma le tulaga lelei i le alamanuia.Matou te talitonu oa matou oloa o le a fetaui ma sili atu i manaʻoga o talosaga laina kesi, ma matou te tulimatai atu e faʻafetaui manaʻoga o matou tagata faʻatau ma oloa sili ona lelei ma lagolago.
