01
Paipa fa'atasi ai ma fa'alavalava mo Anti-corrossion
Fa'atomuaga oloa
Tulaga: O faʻataʻitaʻiga mo paipa faʻapipiʻi faʻafefete e faʻatulagaina e faʻalapotopotoga e pei o le American Society for Testing and Materials (ASTM), le International Organization for Standardization (ISO) ma le National Society of Corrosion Engineers (NACE). O nei tulaga faʻapitoa e faʻamaonia ai manaʻoga mo mea faʻapipiʻi, metotia faʻaoga, faʻataʻitaʻiga o suʻega ma tulaga faʻatinoga.
Fa'avasegaga e fa'atatau i le fa'aogaina o luga: E mafai ona fa'avasegaina paipa fa'atasi ai ma pa'u fa'a'au'au fa'atatau i le ituaiga fa'aoga fa'aoga. O vaega masani e aofia ai: Fused Bonded Epoxy (FBE) Coating Polyethylene (PE) poʻo le polypropylene (PP) faʻapipiʻi Faʻapipiʻi faʻasala poʻo le faʻasala Vali Vali mauoa Zinc Ufu polyurethane Ufu koale ta enamel.
Talosaga: O paipa o lo'o i ai fa'alavalava fa'afefe e fa'aaogaina lautele i pisinisi eseese, e aofia ai: Suau'u ma Kesi: Pipelines e fa'aaogaina e felauaiga ai le suau'u mama, kesi faanatura ma mea tau suau'u Suavai ma vai otaota: mo vai o le eleele ma alavai Vailaau mata'utia ma petrochemical: mo le felauaiga o vaila'au fa'ama'i ma acids Gataifale. ma i fafo: mo paipa i lalo o le sami ma fale i fafo Mea tetele: Mo le faʻaogaina i luga o alalaupapa, faʻailoga ma isi fausaga e faʻaalia i tulaga faigata o le siosiomaga O paipa nei e taua tele i le faatumauina o le amiosaʻo ma le umi o galuega tetele ma fale gaosi oloa, aemaise lava i siosiomaga faigata pe pala. Pe a faʻamaonia pe filifilia le paipa faʻatasi ai ma se faʻamaʻi faʻamaʻi, e taua le faʻafesoʻotaʻi i tulaga talafeagai ma feutagai ma tagata tomai faapitoa i alamanuia ina ia mautinoa o le paʻu filifilia e fetaui ma manaʻoga faʻapitoa o le talosaga faʻatatau.
Vasega uamea:
API 5L: GR B, X42,X46, X56, X60,X65,X70
ASTM A53: GR A, GR B, GR C
EN: S275, S275JR, S355JRH, S355J2H
GB: Q195, Q215, Q235, Q345, L175, L210, L245, L320, L360- L555
Suʻega: Suʻesuʻega Faʻainisinia, Mea Faʻainisinia (Malo malosi sili, malosi e maua ai, Elongation), Meatotino Faʻatekinisi (Suʻega Faʻasaʻo, Suʻega Suʻega, Suʻega Suʻega, Suʻega Aʻafiaga), Suʻesuʻega o le Laʻititi, Suʻega Hydrostatic, Suʻega X-ray.
Tusi Faamaonia Su'ega Mill: EN 10204/3.1B
API 5L Laina Paipa
API 5L PSL1/PSL2 GR B , X42, X46, X52, X60, X65, X70
MEA FAI MESINIA MA FA'A'U'UU FA'A'U'U
FESEGA UAmea | Tuuina atu le malosi, min. psi (MPa) | Malosi tete, min. psi (MPa) | Elongation i le 2 in., min. % |
GR B | 245 | 415 | ![]() |
X42 | 290 | 415 | |
X46 | 320 | 435 | |
X52 | 360 | 460 | |
X56 | 390 | 490 | |
X60 | 415 | 520 | |
X65 | 450 | 535 | |
X70 | 485 | 570 |
FESEGA UAmea | % i le mamafa, maualuga | ||||
C | Ma | Mn | P | S | |
GR B | 0.26 | 0.40 | 1.20 | 0.030 | 0.030 |
X42 | 0.26 | 0.40 | 1.30 | 0.030 | 0.030 |
X46 | 0.26 | 0.40 | 1.40 | 0.030 | 0.030 |
X52 | 0.26 | 0.40 | 1.40 | 0.030 | 0.030 |
X56 | 0.26 | 0.40 | 1.40 | 0.030 | 0.030 |
X60 | 0.26 | 0.40 | 1.40 | 0.030 | 0.030 |
X65 | 0.26 | 0.40 | 1.45 | 0.030 | 0.030 |
X70 | 0.26 | 0.40 | 1.65 | 0.030 | 0.030 |
PIPA u'AE PE ASTM A53 GR. B
MEA FAI MESINIA MA FA'A'U'UU FA'A'U'U
FESEGA UAmea | Tulaga Max, % | ||||||||
C | Mn | P | S | Faatasi ai ma | I totonu | Cr | Mo | IN | |
GR B | 0.30 | 1.20 | 0.05 | 0.05 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
Faleaoga ma Meafaigaluega Gaosiga
010203040506070809