ASTM A252 Kauv Welded Steel Yeeb Nkab
A252 Pipe Description
A252 Kauv welded steel yeeb nkab yog ib hom steel yeeb nkab, dav siv nyob rau hauv cov roj pipelines, natural gas pipelines, thermal pipelines thiab lwm yam teb.
A252 Welded Steel Yeeb Nkab Specification
| Khoom | Kauv Welded Pipes ASTM A252 Pipes Pipes Pipes, Offshore Pipes |
| Txheej txheem | Submerged Arc Weld |
| Txuj | ASTM A53, ASTM A252, ASTM A139, ASTM A36, thiab lwm yam |
| Khoom siv | GR1, GR2, GR3, GRA, GRB |
| O.D | 8 "-118" (219-3020mm) |
| W.T | 0.322"–1.602"(8.1–26.97 hli) |
| Ntev | Raws li tus neeg siv khoom xav tau |
| Kev kho saum npoo | Bared, Dub pleev xim rau, Corrosion Resistant Txheej + Cap |
| Daim ntawv thov | Feem ntau yog siv hauv dej engineering, kev lag luam petrochemical, kev lag luam hluav taws xob, kev ua liaj ua teb, kev tsim kho hauv nroog, thiab lwm yam. Rau kev siv cov khoom siv: dej. |
Mechanical Properties ntawm ASTM A252
|
STEEL Qib |
Tensile zog, min Ksi
(Mpa) |
Yield zog, min Ksi (Mpa)
|
Elongation hauv 2 ntiv tes
(50mm)% min |
|||||
|
QIB 1 |
50 ( 345 ) |
30 (205 ) |
30 |
|||||
|
QIB 2 |
60 ( 414 ) |
35 ( 240 ) |
25 |
|||||
|
QIB 3 |
66 ( 455 ) |
45 ( 310 ) |
20 |
|||||
Thickness & Elongation
|
Nominal Phab Ntsa Thickness |
Elongation, min,% |
|||
|
hauv. |
mm |
Qib 1 |
Qib 2 |
Qib 3 |
|
0.312 |
7.9 |
30.00 |
25.00 |
20.00 |
|
0.281 |
7.1 |
28.50 |
23.75 |
19.00 |
|
0.250 |
6.4 |
27.00 |
22.50 |
18.00 |
|
0.219 |
5.6 |
25.50 |
21.25 |
17.00 |
|
0.188 |
4.8 |
24.00 |
20.00 |
16.00 |
|
0.172 |
4.4 |
23.25 |
19.50 |
15.50 |
|
0.156 |
4.0 |
22.50 |
18.75 |
15.00 |
Qhov loj ntawm ASTM A252 yeeb nkab
|
1/8" IPS (405" OD) |
3 1/2" IPS(4.000" OD) |
|
TSI 40, 80 |
SCH 10, 40, 80, 160, XXH |
|
1/4" IPS (540" OD) |
4" IPS (4.500" OD) |
|
SCH 10, 40, 80 |
SCH 10, 40, 80, 160, XXH |
|
3/8" IPS (675" OD) |
5" IPS (5.563" OD) |
|
SCH 10, 40, 80 |
SCH 10, 40, 80, 160, XXH |
|
1/2" IPS (840" OD) |
6" IPS (6.625" OD) |
|
SCH 5, 10, 40, 80, 160, XXH |
SCH 5, 10, 40, 80, 120, 160, XXH |
|
3/4" IPS (1.050" OD) |
8 "IPS (8.625" OD) |
|
SCH 10, 40, 80, 160, XXH |
SCH 5, 10, 40, 80, 120, 160, XXH |
|
1" IPS: (1.315′ OD) |
10" IPS (10.750" OD) |
|
SCH 5, 10, 40, 80, 160, XXH |
SCH 10, 20, 40, 80 (.500), TRUE 80 (500) |
|
1-1/4" IPS (1.660" OD) |
12" IPS (12.750" OD) |
|
SCH 10, 40, 80, 160, XXH |
SCH 10, 20, 40 (375), TRUE40 (406), SCH80 (500) |
|
1-1/2" IPS (1.900" OD) |
14" IPS(14.000" OD) |
|
SCH 10, 40, 80, 160, XXH |
SCH10 (.188), SCH40 (.375) |
|
2" IPS (2.375" OD) |
16" IPS(16.000" OD) |
|
SCH 10, 40, 80, 160, XXH |
SCH 10 (188), 40 (375) . |
|
2 1/2" IPS (2.875" OD) |
18" IPS (18.000" OD) |
|
SCH 10, 40, 80, 160, XXH |
SCH -40 (.375) |
|
3" IPS (3.500" OD) |
|
|
SCH 5, 10, 40, 80, 160, XXH |
A252 welded yeeb nkab
Khoom Description
GNEE Group muaj 16 xyoo ntawm kev tsim khoom thiab kev lag luam kev lag luam hauv kev lag luam steel, peb xyuas kom muab cov kav dej zoo tshaj plaws welded steel kav. Yog tias koj muaj qee qhov yuav tsum tau ua rau kev sim cov kav hlau welded steel kav, qhov cuam tshuam lub zog tensile thiab txias dabtsi yog khoov zog tuaj yeem tiv thaiv kev sim. Raws li cov yam ntxwv ntawm kauv vuam, cov hlau nqaim zoo tuaj yeem siv los tsim cov kav hlau loj. Raws li cov chaw tsim khoom steel, GNEE Group muab cov kav hlau kav hlau ua raws li AWWA C200, ASTM A139 thiab ASTM A252 cov qauv. Yog tias koj xav tau kauv welded kav, koj tuaj yeem txais tostiv tauj pebtxhua lub sijhawm kom tau txais cov lus tshaj tawm tshiab.
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