1. Aotelega o Paipa U'amea Alloy ASTM A213 T11
Paipa u'amea u'amea ASTM A213 T11o se u'amea chromium-molybdenum low-alloy e masani ona fa'aaogaina motautua maualuga le vevela ma le mamafa i totonu o paila, superheaters, ma fesuia'iga vevela. O le fa'aopoopoina o le chromium ma le molybdenum e fa'aleleia atili ai le tete'e atu i le oxidation, le malosi o le creep, ma le mautu o le fausaga i lalo o tulaga o le vevela maualuga. Ona o nei meatotino,Paipa u'amea u'amea fa'atasi ASTM A213 T11e masani ona faʻaaogaina i fale gaosi eletise, fale gaosi petrochemical, fale faʻavevela e faʻamama ai le ea, ma masini fesuiaʻi vevela faʻapisinisi.
O leTulaga fa'atonuina o le ASTM A213 T11, lomia fo'i oASME SA213 T11, fa'amaoti mai mana'oga mo paipa u'amea ferritic ma austenitic alloy e leai ni so'oga ua mamanuina mo le tautua i le vevela maualuga. O le fa'amatalaga e aofia aifa'asologa fa'akemikolo, meatotino fa'amekanika, togafitiga vevela, fa'apalepale o fua, metotia fa'ata'ita'i, ma faiga o asiasigaia mautinoa le saogalemu o le faʻatinoga i masini e faʻaaogaina ai le mamafa.
I le avea ai ma se kamupani gaosi oloa fa'apolofesa,Uamea Womicgaosia le tulaga leleiPaipa u'amea u'amea ASTM A213 T11fa'aaogaina laina gaosiga paipa seamless fa'aonaponei ma faiga fa'atonutonu lelei. E mafai ona tu'uina atu a matou oloa maEN 10204 3.1 poʻo le EN 10204 3.2 faʻamaonia, ma mo galuega faatino a Europa mo masini mamafa, e mafai e paipa ona tausisiaMana'oga mo le tusipasi PED 2014/68/EUFaatasi ai ma le mautu o le sailia o mea mata ma 'au fa'apitoa e iai le poto masani, e fa'amautinoa ai e le Womic Steel le lelei o oloa, fa'atonuga fa'atuatuaina o le tu'uina atu, ma le fetu'una'i o filifiliga mo galuega fa'apisinisi i le lalolagi atoa.
2. Fa'amatalaga o le Oloa ma le Tele o Fua o Paipa ASTM A213 T11
O lePaipa u'amea u'amea ASTM A213 T11O lo'o gaosia e le Womic Steel e maua i le tele o lapopo'a e talafeagai mo paila, fesuia'iga vevela, ma faiga paipa mamafa. O mea uma e luapaipa e leai ni so'oga ua mae'a ona fa'avevela ma paipa sa'o ua tosoina malūlūe mafai ona gaosia e fuafua i manaʻoga saʻo o le fua.
Laulau 1 – ASTM A213 T11 Tube Production Range
| Fa'atulagaga | Fa'amatalaga Fa'apitoa |
| Lapoa i fafo | 12.7 mm – 219 mm |
| Mafiafia o le Puipui | 1.5 mm – 30 mm |
| Umi Masani | 6 mita – 12 mita |
| Umi Maualuga | E oo atu i le 18 mita |
| Metotia Gaosiga | Fa'asolo lelei, Vevela, Malulu, Fa'asolo |
| Tulaga o le Luga | Uliuli / Fa'asusu / Fa'apa'u i le fana |
O le gafatia lautele e faʻamautinoa ai lenaPaipa seamless ASTM A213 T11e mafai ona ausia manaʻoga o faiga eseese o le fesiitaiga o le vevela tau alamanuia.
3. Fa'amaoniga o Fuataga o Paipa U'amea U'amea ASTM A213 T11
E matuā tāua tele le sa'o o fua mo faiga o paipa mamafa. O le Womic Steel e gaosiaPaipa u'amea u'amea ASTM A213 T11e tusa ai ma manaʻoga o le ASTM e faʻamautinoa ai le fetaui ma faiga o le gaosiga, uelo, ma le faʻapipiʻiina.
Laulau 2 – Fa'apalepale Fa'atatau
| Fa'atulagaga | Fa'atagaina o le Onosa'i |
| Lapoa i fafo | ±0.75% |
| Mafiafia o le Puipui | ±10% |
| Umi | +3 mm / 0 |
| Sa'o lelei | ≤1/1000 o le umi o le paipa |
| Ovality | I totonu o le onosa'i OD |
O nei fa'apalepale e fesoasoani e fa'amautinoa aiPaipa paila ASTM A213 T11ia tausisia le fetaui lelei i le taimi e faʻapipiʻi ai i totonu o faiga paila e maualuga le mamafa.
4. Fa'asologa Fa'akemikolo o le U'amea U'amea ASTM A213 T11
O le faatinoga oPaipa u'amea u'amea ASTM A213 T11e ausia e ala i le fa'atulagaina ma le fa'aeteete o le u'amea fa'afefiloi. E fa'aleleia e le Chromium le tete'e atu i le fa'ama'i oona a'o fa'aleleia e le molybdenum le malosi o le sosolo i le vevela maualuga.
Laulau 3 – Fa'atulagaga Fa'akemikolo o le ASTM A213 T11
| Elemene | Fa'atulagaga (%) |
| Kaponi (C) | 0.05 – 0.15 |
| Manganese (Mn) | 0.30 – 0.60 |
| Fosforo (P) | ≤0.025 |
| Sulfur (S) | ≤0.025 |
| Silikoni (Si) | 0.50 – 1.00 |
| Kromium (Cr) | 1.00 – 1.50 |
| Molibdenum (Mo) | 0.44 – 0.65 |
O lenei tuufaatasiga o le u'amea e mafai aiPaipa u'amea u'amea fa'atasi ASTM A213 T11ia faʻatino lelei ma le faʻatuatuaina i siosiomaga e maualuga le vevela ma le mamafa.
5. Meatotino Fa'amekanika o Paipa ASTM A213 T11
E taua tele le malosi fa'amekanika mo paipa e fa'aaogaina i totonu o paila ma faiga e fesuia'i ai le vevela.Paipa u'amea u'amea ASTM A213 T11e tatau ona ausia manaʻoga faigata o meatotino faʻainisinia ua faʻamatalaina e le tulaga faʻatonuina o le ASTM.
Laulau 4 – Meatotino Fa'amekanika
| Meatotino | Manaoga |
| Malosiaga o le Fetaia'i | ≥415 MPa |
| Malosiaga o le Tuuina Atu | ≥205 MPa |
| Fa'aloloa | ≥30% |
| Faigata | ≤85 HRB |
O nei uiga fa'amekanika e mafai aiPaipa paila ASTM A213 T11e tatalia ai le atuatuvalega vevela ma le mamafa i totonu i le taimi o le tautua mo se taimi umi.
6. Fa'agasologa o le Gaosiga o Paipa Seamless ASTM A213 T11
I le Womic Steel,Paipa u'amea u'amea ASTM A213 T11e gaosia e ala i se faiga gaosiga e matuā pulea lelei ma leai se fa'alavelave. O la'asaga ta'itasi o le gaosiga e mata'ituina ina ia mautinoa le sa'o o le fa'aaogaina o u'amea ma le sa'o o le fua.
Faiga masani o gaosiga:
Siakiina o Mea Mata → Tipiina o le Billet → Fa'avevela → Tui Vevela → Ta'avale Vevela → Togafitiga Vevela → Fa'asa'o → Su'ega e Le Fa'aleagaina → Siakiina Mulimuli → Afifiina
O tulaga lelei autu o le gaosiga e aofia ai:
• Pileti uʻamea uʻamea lelei tele mai fale gaosi ua faʻamaonia
• Meafaigaluega fa'aonaponei mo le fa'avevela e fa'amautinoa ai le mafiafia tutusa o puipui
• Meafaigaluega sa'o mo le fa'asa'oina ma le fa'auma
• Fa'amaumauga atoatoa mai le numera o le vevela o mea mata i le paipa ua mae'a
O nei pulega fa'atekinolosi e fa'amautinoa ai o mea umaPaipa u'amea u'amea fa'atasi ASTM A213 T11ausia manaʻoga o tulaga faʻavaomalo o meafaigaluega mamafa.
7. Manaʻoga mo le Togafitiga Faʻavevela
E taua tele le togafitiga i le vevela mo le ausiaina o le microstructure ma meatotino fa'amekanika mana'omia oPaipa u'amea u'amea ASTM A213 T11O le togafitia lelei o le vevela e faʻaleleia atili ai le malosi, le malō, ma le mautu i le vevela maualuga i se taimi umi.
O auala masani e togafitia ai le vevela e aofia ai:
• Fa'amāfanafana atoa
• Fa'amafanafanaga isothermal
• Fa'agasologa fa'amālūlūina fa'atonutonuina
O nei togafitiga e faʻamautinoa ai le tutusa o le fausaga o fatu ma faʻaleleia le tumau o lePaipa paila ASTM A213 T11i lalo o le fa'agaoioiga faifai pea i le vevela maualuga.
8. Su'esu'ega ma Su'ega
O le puleaina o le lelei o se vaega taua tele lea o le gaosiga o meaPaipa u'amea u'amea ASTM A213 T11E faia e le Womic Steel ni asiasiga mae'ae'a e fa'amautinoa ai le fa'atuatuaina o oloa.
Su'ega Fa'amekanika ma Fa'aletino
• Su'ega o le malosi e feliua'i ai
• Su'ega o le ma'a'a
• Su'ega fa'apa'u
• Su'ega o le fa'amumuina
• Su'ega o le mamafa o le vai
Su'ega e lē Fa'aleagaina
• Su'ega Ultrasonic (UT)
• Su'ega o le eletise eddy (ET)
• Su'ega o le vaega fa'amagnetika (MT) pe a mana'omia
Tusipasi
UmaPaipa ASTM A213 T11e mafai ona tuʻuina atu faʻatasi ma:
•Tusi Faamaonia o le Su'ega o le Falegaosimea EN 10204 3.1
•EN 10204 3.2 Tusi Faamaonia o le Su'esu'ega a se Vaega Lona Tolu
•Pepa aloaia o le tausisia o tulafono a le PED 2014/68/EU
E ono aofia ai i faʻalapotopotoga siaki a isi vaegaSGS, BV, TÜV, ma le DNV.
9. Auaunaga Fa'agasologa ma le Gaosiga
I le fa'aopoopoga i le tu'uina atuPaipa u'amea u'amea ASTM A213 T11, e tuʻuina atu foʻi e le Womic Steel le tele o auaunaga gaosiga ma le faʻagasologa e lagolago ai manaʻoga o le faʻapipiʻiina o galuega faatino.
O auaunaga fa'agasologa e aofia ai:
• Pipi'i ma le fausiaina o le paipa
• Paipa U-pin mo fesuia'iga vevela
• Tipiina ma fa'a'eletiseina ma le sa'o
• Faia muamua o le spool paipa
• Viliina ma sauniuniga faapitoa mo le pito
O nei auaunaga e mafai ai e tagata faʻatau ona mauavaega ua sauni e fa'apipi'i, fa'aitiitia tele ai le taimi e fa'apipi'i ai i le fanua.
10. Fa'aoga o Paipa U'amea Fa'a'au'au ASTM A213 T11
Ona o lo latou malosi tele i le vevela maualuga ma le tete'e atu i le fa'ama'iina,Paipa u'amea u'amea ASTM A213 T11e faʻaaogaina lautele i le tele o faiga faʻapisinisi e maualuga le vevela.
O faʻaoga masani e aofia ai:
• Paipa paila o le fale gaosi eletise
• Paipa fa'avevela tele
• Paipa fesuia'i vevela
• Meafaigaluega mo le fa'agasoloina o vaila'au fa'asu'i
• Paipa vevela maualuga i fale gaosi fa'amama
O le tumau oPaipa u'amea u'amea fa'atasi ASTM A213 T11ua avea ai i latou ma vaega taua i le malosiaga faʻaonaponei ma atinaʻe tau alamanuia.
11. Malosiaga o le Gaosiga ma le Fa'amanuiaga o le Tu'uina Atu
E faatumauina e le Womic Steel le malosi o le gaosiga moPaipa u'amea u'amea ASTM A213 T11lagolagoina e le sapalai mautu o mea mata ma meafaigaluega gaosiga fa'aonaponei.
O a matou tulaga lelei i le gaosiga e aofia ai:
• Tele laina gaosiga o paipa e leai ni so'oga
• Sapalai mautu o u'amea fa'apipi'i mai fale gaosi agava'a
• Faiga fa'atonutonu lelei ma su'esu'ega
• Fa'asologa o taimi e mafai ona fetu'una'i ai le gaosiga mo poloaiga o galuega faatino
O le taimi masani e fa'atino ai le gaosiga e amata mai i le15 i le 35 aso e fuafua i faʻamatalaga ma le aofaʻi o le poloaiga.
O le mea taua,E le mana'omia e le Womic Steel se aofa'iga maualalo o le oka. E oo lavafasi pepa ta'itasi pe ni nai vaega laiti o paipa ASTM A213 T11e mafai ona sapalaiina e fa'afetaui ai mana'oga o le tausiga ma le galuega.
12. Afifiina ma Logistika Fa'alelalolagi
Ina ia mautinoa le saogalemu o felauaiga,Paipa u'amea u'amea fa'atasi ASTM A213 T11o lo'o afifiina e fa'aaoga ai metotia puipuiga e pei ona fa'atulagaina mo le auina atu i fafo.
O filifiliga mo afifiina e aofia ai:
• Fa'aputuga u'amea
• Pusa laupapa e saogalemu mo le folauga
• Tapuni pito puipui palasitika
• Ufiufi suāuu e tete'e atu ai i le 'ele
• Afifi e le susu
Faatasi ai ma le tele o le poto masani i felauaiga faavaomalo, ua saunia e Womic Steel ni fofo faatuatuaina mo felauaiga e ala iuta i le sami, felauaiga i luga o le nofoaafi, ma felauaiga i le tele o auala, ma faʻamautinoa ai le saogalemu ma le vave faʻaoʻoina atu i le lalolagi atoa.
13. Aiseā e Filifili ai le U'amea Womic mo Paipa U'amea Fa'a'au'au ASTM A213 T11
I le avea ai ma se kamupani fa'atuatuaina oPaipa u'amea u'amea ASTM A213 T11, O le Womic Steel e tuʻufaʻatasia ai le tomai i le gaosiga, le gafatia malosi i le gaosiga, ma le poto masani i galuega faatino i le lalolagi atoa.
O fa'amanuiaga autū e aofia ai:
• Usita'ia atoatoa o tulafonoTulaga faatonuina o le ASTM A213 / ASME SA213
•Tusipasi PED mo galuega faatino a Europa mo masini mamafa
•EN 10204 3.1 / 3.2 pepa o asiasiga
• Nofoaga fa'apitoa mo su'ega ma asiasiga
• Aofa'i o poloaiga e fetuutuunai ma tali vave
• Auaunaga fa'apitoa mo masini ma le fa'atulagaina muamua
• Sapalai mautu o mea mata e mautinoa ai le fa'atuatuaina o le tu'uina atu
O nei malosiaga e mafai ai e le Womic Steel ona tuʻuina atu le faʻatuatuainaPaipa u'amea u'amea fa'atasi ASTM A213 T11mo le gaosiga o le eletise, suauu petrokemikolo, ma faiga o paipa tau alamanuia i le lalolagi atoa.
14.Paipa Seamless U'amea ASTM A213 – Tele o le Gaosiga
Kamupani gaosi oloa a Womic SteelPaipa U'amea Fa'afefiloi ASTM A213 Vasega T5, ASTM A213 Vasega T9, ma le ASTM A213 Vasega T11i le tele o ituaiga lautele ma fa'asologa o le mafiafia o puipui e talafeagai mo paila, fesuia'iga o le vevela, ma le tautua o le mamafa o le vevela maualuga.
La'asaga o le Tele o le Gaosiga Masani
| Tele o Paipa Fa'aonaponei (NPS) | Lapoa i Fafo (OD) | Mafiafia o le Puipui e Maua (Faasologa) | Fa'amatalaga o le Oloa |
| 1/2″ NB | 21.3 milimita | SCH 20 / 30 / 40 / 80 / 160 | Paipa U'amea Fa'a'au'au ASTM A213 Vasega T5 |
| 3/4″ NB | 26.7 milimita | SCH 20 / 30 / 40 / 80 / 160 | Paipa U'amea Fa'a'au'au ASTM A213 Vasega T5 |
| 1″ NB | 33.4 milimita | SCH 20 / 30 / 40 / 60 / 80 / 160 | Paipa U'amea Fa'a'au'au ASTM A213 Vasega T5 |
| 1 1/4″ NB | 42.2 milimita | SCH STD / SCH 40 / SCH 80 / SCH 160 | Paipa U'amea Fa'alava ASTM A213 Vasega T9 |
| 1 1/2″ NB | 48.3 milimita | SCH STD / SCH 40 / SCH 80 / SCH 160 | Paipa U'amea Fa'alava ASTM A213 Vasega T9 |
| 2″ NB | 60.3 milimita | SCH 20 / 40 / 60 / 80 / 100 / 160 | Paipa U'amea Fa'alava ASTM A213 Vasega T11 |
| 2 1/2″ NB | 73 milimita | SCH STD / SCH 40 / SCH 80 / SCH 160 | Paipa U'amea Fa'alava ASTM A213 Vasega T11 |
| 3″ NB | 88.9 milimita | SCH STD / SCH 40 / SCH 80 / SCH 160 | Paipa U'amea Fa'alava ASTM A213 Vasega T11 |
| 4″ NB | 114.3 milimita | SCH 20 / 40 / 60 / 80 / 100 / 160 | Paipa U'amea Fa'alava ASTM A213 Vasega T11 |
| 5″ NB | 141.3 milimita | SCH STD / SCH 40 / SCH 80 / SCH 160 | Paipa U'amea Fa'alava ASTM A213 Vasega T11 |
| 6″ NB | 168.3 milimita | SCH 20 / 40 / 60 / 80 / 100 / 160 | Paipa U'amea Fa'alava ASTM A213 Vasega T11 |
| 8″ NB | 219.1 milimita | SCH 20 / 40 / 60 / 80 / 100 / 160 | Paipa U'amea Fa'alava ASTM A213 Vasega T11 |
| 10″ NB | 273 milimita | SCH 20 / 40 / 80 / 120 / 160 | Paipa U'amea Fa'alava ASTM A213 Vasega T11 |
| 12″ NB | 323.9 milimita | SCH 20 / 40 / 80 / 120 / 160 | Paipa U'amea Fa'alava ASTM A213 Vasega T11 |
O nei faʻamatalaga uma e tuʻuina atu e pei onaPaipa U'amea Fa'a'au'au ASTM A213 Vasega T5, Paipa U'amea Fa'alava ASTM A213 Vasega T9, maPaipa U'amea Fa'alava ASTM A213 Vasega T11e fuafua i manaʻoga o le galuega faatino.
15. ASTM A213 Laulau Fa'atusatusaga o Vasega o Uamea U'amea
Vasega eseese i totonu o lePaipa U'amea Fa'alava ASTM A213tulaga masani e maua ai le tele o mea e aofia ai le chromium ma le molybdenum mo le malosi i le vevela maualuga ma le tete'e atu i le 'ele.
Laulau Fa'atusatusaga o Meafaitino
| Vasega | Elemene Autū o le Fa'a'au'au | Tete'e Masani i le Vevela | Vaega Autū | Fa'aoga Masani |
| ASTM A213 T5 | Uamea Fa'a'au'au Cr-Mo | E oo atu i le 600°C | Tete'e lelei i le fa'a'okesa | Ogāumu, fesuia'iga vevela |
| ASTM A213 T9 | U'amea Fa'a'au'au Chromium Maualuga | E oo atu i le 650°C | Fa'aleleia atili le malosi o le totolo | Paipa o le fale gaosi eletise |
| ASTM A213 T11 | 1.25Cr-0.5Mo Alamanuia | E oo atu i le 580°C | Malosiaga sili ona lelei i le vevela maualuga | Paipa fa'avevela ma paipa paila |
| ASTM A213 T22 | 2.25Cr-1Mo Alamanuia | E oo atu i le 650°C | Tete'e maualuga i le totolo | Paipa o le nofoaga eletise |
| ASTM A213 T91 | 9Cr-1Mo Alloy | E oo atu i le 700°C | Tete'e totolo maualuga | O paipa e sili ona taua tele |
Faatasi ai ma nei meafaitino,Paipa U'amea Fa'a'au'au ASTM A213 Vasega T5, Paipa U'amea Fa'alava ASTM A213 Vasega T9, maPaipa U'amea Fa'alava ASTM A213 Vasega T11e fa'aaogaina lautele i totonupaipa paila, paipa superheater, ma faiga paipa fesuia'i vevela.
16Paipa U'amea Fa'a'au'au ASTM A213 Upu Autu
O le matrix o upu autu o loʻo mulimuli mai e fesoasoani i afi suʻesuʻe ma inisinia e faʻailoa ai faʻasinomaga faʻatatau e masani ona faʻaaogaina moPaipa U'amea Fa'alava ASTM A213.
ASTM A213 Tele o le Paipa Upu Autu Matrix
1/2″ NB i le Mafiafia Faasologa 20, Faasologa 30, Faasologa STD, Faasologa 40, Faasologa 60, Faasologa 80, Faasologa 100, Faasologa 120, Faasologa 160, Faasologa XXS i totonuPaipa U'amea Fa'a'au'au ASTM A213 Vasega T5
3/4″ NB i le Mafiafia Faasologa 20, Faasologa 30, Faasologa STD, Faasologa 40, Faasologa 60, Faasologa 80, Faasologa 100, Faasologa 120, Faasologa 160, Faasologa XXS i totonuPaipa U'amea Fa'a'au'au ASTM A213 Vasega T5
1″ NB i le Mafiafia Faasologa 20, Faasologa 30, Faasologa STD, Faasologa 40, Faasologa 60, Faasologa 80, Faasologa 100, Faasologa 120, Faasologa 160, Faasologa XXS i totonuPaipa U'amea Fa'alava ASTM A213 Vasega T9
1 1/2″ NB i le Mafiafia Faasologa 20, Faasologa 30, Faasologa STD, Faasologa 40, Faasologa 60, Faasologa 80, Faasologa 100, Faasologa 120, Faasologa 160, Faasologa XXS i totonuPaipa U'amea Fa'alava ASTM A213 Vasega T9
2″ NB i le Mafiafia Faasologa 20, Faasologa 30, Faasologa STD, Faasologa 40, Faasologa 60, Faasologa 80, Faasologa 100, Faasologa 120, Faasologa 160, Faasologa XXS i totonuPaipa U'amea Fa'alava ASTM A213 Vasega T11
3″ NB i le Mafiafia Faasologa 20, Faasologa 30, Faasologa STD, Faasologa 40, Faasologa 60, Faasologa 80, Faasologa 100, Faasologa 120, Faasologa 160, Faasologa XXS i totonuPaipa U'amea Fa'alava ASTM A213 Vasega T11
4″ NB i le Mafiafia Faasologa 20, Faasologa 30, Faasologa STD, Faasologa 40, Faasologa 60, Faasologa 80, Faasologa 100, Faasologa 120, Faasologa 160, Faasologa XXS i totonuPaipa U'amea Fa'alava ASTM A213 Vasega T11
6″ NB i le Mafiafia Faasologa 20, Faasologa 30, Faasologa STD, Faasologa 40, Faasologa 60, Faasologa 80, Faasologa 100, Faasologa 120, Faasologa 160, Faasologa XXS i totonuPaipa U'amea Fa'alava ASTM A213 Vasega T11
8″ NB i le Mafiafia Faasologa 20, Faasologa 30, Faasologa STD, Faasologa 40, Faasologa 60, Faasologa 80, Faasologa 100, Faasologa 120, Faasologa 160, Faasologa XXS i totonuPaipa U'amea Fa'alava ASTM A213 Vasega T11
10″ NB i le Mafiafia Faasologa 20, Faasologa 30, Faasologa STD, Faasologa 40, Faasologa 60, Faasologa 80, Faasologa 100, Faasologa 120, Faasologa 160, Faasologa XXS i totonuPaipa U'amea Fa'alava ASTM A213 Vasega T11
12″ NB i le Mafiafia Faasologa 20, Faasologa 30, Faasologa STD, Faasologa 40, Faasologa 60, Faasologa 80, Faasologa 100, Faasologa 120, Faasologa 160, Faasologa XXS i totonuPaipa U'amea Fa'alava ASTM A213 Vasega T11
O nei lisi fa'atatau e fesoasoani i tagata fa'atau e faigofie ona su'e mea o lo'o avanoaPaipa U'amea Fa'a'au'au ASTM A213 Vasega T5, Paipa U'amea Fa'alava ASTM A213 Vasega T9, maPaipa U'amea Fa'alava ASTM A213 Vasega T11mai le Womic Steel.
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Imeli: sales@womicsteel.com
Telefoni/WhatsApp/WeChat: Victor: +86-15575100681 po'o Jack: +86-18390957568
Taimi na lafoina ai: Mati-10-2026



