Va'aiga lautele o paipa uamea
O le Alloy Steel Pipe e fa'aaogaina i talosaga e mana'omia ai ni mea e fa'asa'o ai le pala ma lelei le tumau ma i se tau taugofie.I se faaupuga faigofie, o paipa u'amea e sili atu i vaega ia e ono faaletonu ai paipa uamea.E lua vasega o u'amea u'amea - u'amea maualuga ma u'amea maualalo.O paipa o lo'o maua ai u'amea u'amea maualalo o lo'o i ai se mea fa'afefiloi e i lalo ole 5%.A'o le mea e fa'afefiloi ai se uamea maualuga maualuga o le a va i le va o le 5% i le tusa ma le 50%.E tutusa ma le tele o alamea o le malosi galue o le Alloy Steel Seamless Pipe e tusa ma le 20% maualuga atu nai lo se paipa uelo.O lea la i talosaga o loʻo i ai le maualuga o le mamafa o galuega e pei o se mea e manaʻomia muamua, o le faʻaogaina o se paipa e leai se mea e faʻamaonia.E ui ina malosi atu nai lo se paipa uelo, ae o le tau e sili atu le maualuga.E le gata i lea, o le tulaga lamatia o intergranular corrosion i le vevela afaina sone uelo e sili atu i se oloa uelo.O le eseesega vaaia i le va o le Alloy Steel Welded Pipe ma se mea e leai se fa'aoga o le latitudinal su'isu'i i le umi o le paipa.Ae ui i lea, i aso nei, faatasi ai ma le alualu i luma i tekinolosi, o le suʻisuʻi o loʻo i luga o le Alloy Steel ERW Pipe e mafai ona faʻaititia tele e ala i se togafitiga i luga, ina ia tumau ai le le vaaia e mata o tagata.
Fa'aigoa Fa'apa'u Umea & Paipa Fa'amatalaga (Seamless/ Welded/ERW)
Fa'amatalaga | ASTM A 335 ASME SA 335 |
Tulaga | ASTM, ASME ma API |
Tele | 1/8" NB I LE 30" NB IN |
Tele o paipa | 1 / 2" OD e oʻo atu i le 5" OD, o loʻo avanoa foʻi le lautele o aganuʻu |
Tatami i fafo | 6-2500mm;WT:1-200mm |
Fa'atonuga | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
Vasega | STM A335 Gr.P5, P9, P11, P12, P21, P22 & P91, ASTM A213 – T5, T9, T11, T12, T22, T91, ASTM A691 |
Umi | I totonu ole 13500mm |
Ituaiga | Su'ega / Fau |
Fomu | Taamilomilo, Hydraulic Etc |
Umi | Ta'ito'atasi Fa'afuase'i, Fa'alua Fa'ailoga & Oti Umi. |
Fa'ai'uga | I'uga laugatasi, i'uga pi'o, soli |
Ituaiga o Alloy Steel Seamless Tubes
15cr mo paipa uamea malo
25crmo4 paipa uamea
36 inisi ASTM A 335 Vasega P11 u'amea uamea paipa uamea
42CrMo/ SCM440 u'amea uamea seamless paipa
Alloy 20/21/33 paipa uamea
40MM uamea paipa uamea
ASTM A355 P22 Pipa U'amea Su'ega
ASTM A423 Alloy Steel Seamless Paipa
galvanized pa'u u'amea maualalo ufiufi paipa u'amea
Alloy Steel ERW Pipes Meatotino Vailaau
Uamea uamea | |||||||
C | Cr | Mn | Mo | P | S | Si | |
0.05 – 0.15 | 1.00 – 1.50 | 0.30 – 0.60 | 0.44 – 0.65 | 0.025 maualuga | 0.025 maualuga | 0.50 – 1.00 |
Uiga Fa'ainisinia Alloy Steel Chrome moly Paipa
Malosi Tetele, MPa | Malosi o Fuafuaga, MPa | Fa'aumi, % |
415 min | 205 min | 30 min |
Vaitafe fafo & Fa'apalepale ole ASME SA335 Alloy Paipa
ASTM A450 | Ta'ai vevela | Vaitafe fafo, mm | Fa'apalepale, mm |
OD≤101.6 | +0.4/-0.8 | ||
101.6<OD≤190.5 | +0.4/-1.2 | ||
190.5<OD≤228.6 | +0.4/-1.6 | ||
Tusia malulu | Vaitafe fafo, mm | Fa'apalepale, mm | |
OD<25.4 | ±0.10 | ||
25.4≤OD≤38.1 | ±0.15 | ||
38.1<OD<50.8 | ±0.20 | ||
50.8≤OD<63.5 | ±0.25 | ||
63.5≤OD<76.2 | ±0.30 | ||
76.2≤OD≤101.6 | ±0.38 | ||
101.6<OD≤190.5 | +0.38/-0.64 | ||
190.5<OD≤228.6 | +0.38/-1.14 | ||
ASTM A530 & ASTM A335 | NPS | Vaitafe fafo, inisi | Fa'apalepale, mm |
1/8≤OD≤1-1/2 | ±0.40 | ||
1-1/2<OD≤4 | ±0.79 | ||
4<OD≤8 | +1.59/-0.79 | ||
8<OD≤12 | +2.38/-0.79 | ||
OD>12 | ±1% |
Alloy Steel Grade Paipa Fa'avevela
P5, P9, P11, ma le P22 | |||
Vasega | Ituaiga o le Vevela | Fa'asa'o le va'aiga o le vevela F [C] | Subcritical Annealing po'o le Fa'aita Va'aiga vevela F [C] |
P5 (b,c) | Atoatoa po'o le Isothermal Anneal | ||
Fa'atonu ma Ita | ***** | 1250 [675] | |
Fa'ailoga Fa'ata'ita'i (na'o P5c) | ***** | 1325 - 1375 [715 - 745] | |
P9 | Atoatoa po'o le Isothermal Anneal | ||
Fa'atonu ma Ita | ***** | 1250 [675] | |
P11 | Atoatoa po'o le Isothermal Anneal | ||
Fa'atonu ma Ita | ***** | 1200 [650] | |
P22 | Atoatoa po'o le Isothermal Anneal | ||
Fa'atonu ma Ita | ***** | 1250 [675] | |
P91 | Fa'atonu ma Ita | 1900-1975 [1040 - 1080] | 1350-1470 [730 - 800] |
tineia ma le ita | 1900-1975 [1040 - 1080] | 1350-1470 [730 - 800] |
Alloy Steel Seamless Tubes Application Alloys
● Kamupani Su'u Suau'u i fafo
● Malosiaga
● Petrochemicals
● Fa'agasologa o kesi
● Vailaau Fa'apitoa
● Falema'i
● Meafaigaluega Fa'afoma'i
● Meafaigaluega Fa'ama'i
● Meafaigaluega Suavai
● Fa'afesuia'i vevela
● Condenser
● Alamanuia apalapala ma Pepa