USA SALES
CANADA SALES
DSAW SPIRAL WELD PIPE (HELICOIDAL PIPE)
In larger diameters, mainly intended for the conduction of fluids (water, gas, air and hydrocarbons) in large-scale projects and for use in industry and structural projects.
With a helical forming and welding process and with specialized human capital, and the support of the latest generation technology, makes strict compliance with the main standards of national and international organizations.
Product certificate with American Petroleum Institute (API 5L) and “Certificación Mexicana” (NOM-001-CONAGUA-2011). Affiliate to AWWA (American Water Works Association).
Product available in:
CHARACTERISTICS
- Diameters from 500 mm to 3048 mm (20 "to 120")
- Lengths up to 25 m (82 ft)
- Different finishes such as: bare, coated exterior and/or interior such as: FBE, FBE-ARO, polyurethanes, three-layer polyethylene, and epoxies
- With smooth, beveled ends or Bell-Spigot
- Up to API 5L PSL1 X70, PSL2 X70 Annex H and API 5L PSL2 X80
- Certificate CONAGUA for pressure water distribution in diameters from 20" a 42" and up to X70
USES AND APPLICATIONS
- Structural: piles, grain storage (silos), transport tanks (pipes), panoramic, ornamental advertising stands, etc
- Water: drinking water supply, drainage, water purification and water treatment plants, wastewater discharge, irrigation systems, etc
- Conduction: air systems, gas extraction, conduction of oil, dragging lines, pumping systems, etc.
- Oil. gas and another hydrocarbons
TECHNICAL INFORMATION
Production specs
| Minimum | Maximum | Minimum | Maximum | ||
| mm | mm | in | in | ||
| DIAMETERS | 508 | 3048 | 20 | 120 | |
| WALL THICKNESS | 4 | 25.4 | 0.158 | 1 | |
| MAXIMUM LENGTH | 25 mts | 82 ft | |||
| SPECIAL LENGTH | Consult plant | ||||
| RAW MATERIAL | Hot rolled Steel | ||||
| Máx. X70 PSL 1 | |||||
| Máx. X80 PSL 2 | |||||
| Max. X70 PSL 2 Annex H | |||||
| WELDING PROCESS | DSAW (Doble Submerged Arc Weld) Internal and external welding | ||||
Quality standards
| PRODUCTION | STRUCTURAL: | ASTM A-283 |
| ASTM A-252 | ||
| ASTM A-1011 (SS) | ||
| ASTM A-1018 (SS) | ||
| ASTM A-572 | ||
| PETROLEUM AND GAS: | API 5L | |
| ISO 3183 | ||
| NRF-001-PEMEX | ||
| WATER: | ANSI / AWWA C200 | |
| NMX-001-CONAGUA |
Testing for quality control
| RAW MATERIAL AND MANUFACTURING PROCESS: | Chemical analysis of the material |
| Tension tests | |
| Guided bend test | |
| Impact test (Charpy) | |
| DWTT (Drop Weight Tear Test) | |
| Hardness tests | |
| Metallographic analysis | |
| Macrography | |
| NON- DESTRUCTIVE TESTS: | Visual and dimensional |
| Hydrostatic test | |
| Ultrasound test online | |
| X-ray test | |
| Ultrasound test | |
| Magnetic particle test | |
| Penetrating liquid test | |
| COATING TESTS | Holiday online and portable |
| Coating layer measurement | |
| Visual inspection | |
| Other |
Internal and external coating
| INTERNAL | EPOXY: | ANSI / AWWA C-210 |
| EXTERNAL | CEMENT: | ANSI / AWWA C-205 |
| EXTERNAL COATING: | POLYETHYLENE: | ANSI / AWWA C-213 / AWWA C-214 / C-215 / DIN30670 |
| POLYPROPYLENE: | ANSI / AWWA C-213 / C-214 / C-215 / DIN30678 | |
| POLYPROPYLENE: | ANSI / AWWA C-222 | |
| FUSION BOND EPOXIC | CSA.Z245.20 | |
| ISO 21809-2 | ||
| NACE-RP 0394 | ||
| ANSI- AWWA 213 | ||
| FBE-ARO | CAN-CSA-Z245.20 | |
| EPOXY | ANSI / AWWA C-210 | |
| NRF-026-PEMEX |
Diameters between 100 “and 120” are only manufactured in structural quality. Request a Commercial Division for different dimensions to this table.
Standards for conduction, mechanical and / or structural pipe, chemical and physical characteristics:
AWWA C200 standard
| STEEL GRADE | YIELD STRENGTH (MIN) | TENSILE STRENGTH MIN | CHEMICAL ANALYSIS % MAX. | ||||||
| Mpa | KSI (Lb/in²) | Mpa | KSI (Lb/in²) | Carbon | Manganese | Phosphorus | Sulfur | ||
| A-36 | A | 248 | 36 | 400 | 58 | 0.25 | 1 | 0.035 | 0.035 |
| A-283 | C,D | 207-228 | 30-33 | 380-415 | 55-60 | 0.24-0.27 | 0.9 | 0.035 | 0.04 |
| A-572 | 42,50 | 290-345 | 42-50 | 415-450 | 60-65 | 0.26 | 1.3 | 0.03 | 0.03 |
| A-1011 (SS) | 30-55 | 205-380 | 30-55 | 340-480 | 49-70 | 0.25 | 0.90-1.35 | 0.035 | 0.04 |
| A-1018(SS) | 30-40 | 205-276 | 30-40 | 340-380 | 49-55 | 0.25 | 1.5 | 0.035 | 0.04 |
| ASTM A-139 | ABCDE | 205-360 | 30-52 | 330-455 | 48-66 | 0.25-0.30 | 1.0-1.4 | 0.035 | 0.035 |
| ASTM A-252 | 1,2,3 | 205-310 | 30-45 | 345-455 | 50-66 | 0.26 | 1 | 0.05 | 0.035 |
Norm API-5L-PSL-1, License 5L-0831
| STEEL GRADE | YIELD STRENGTH (MIN) | TENSILE STRENGTH MIN | CHEMICAL ANALYSIS % MAX. | ||||||
| Mpa | KSI (Lb/in²) | Mpa | KSI (Lb/in²) | Carbon | Manganese | Phosphorus | Sulfur | ||
| A | L210 | 210 | 30.5 | 335 | 48.6 | 0.22 | 0.90 | 0.03 | 0.03 |
| B | L245 | 245 | 35.5 | 415 | 60.2 | 0.26 | 1.20 | 0.03 | 0.03 |
| X42 | L290 | 290 | 42.1 | 415 | 60.2 | 0.26 | 1.30 | 0.03 | 0.03 |
| X46 | L320 | 320 | 46.4 | 435 | 63.1 | 0.26 | 1.40 | 0.03 | 0.03 |
| X52 | L360 | 360 | 52.2 | 460 | 66.7 | 0.26 | 1.40 | 0.03 | 0.03 |
| X56 | L390 | 390 | 56.6 | 490 | 71.1 | 0.26 | 1.40 | 0.03 | 0.03 |
| X65 | L450 | 450 | 65.3 | 535 | 77.6 | 0.26 | 1.45 | 0.03 | 0.03 |
| X70 | L485 | 485 | 70.3 | 570 | 82.7 | 0.26 | 1.65 | 0.03 | 0.03 |
Note 1. In welding, the tensile strength for tubes under SAW and COW should be minimal
Note 2. For all steel grades, except grade A:Nb+V≤0.06; Nb+V+Ti≤ 0.15% ; Cu,≤0.50%, Ni≤0.50%, Cr≤0.50%, Mo≤0.15% B (Residual)≤0.001%
Norm API-5L PSL-2, license 5L-0831
| STEEL GRADE | YIELD STRENGTH (MIN) | TENSILE STRENGTH MIN | CHEMICAL ANALYSIS % MAX. | ||||||||||||
| Mpa | KSI (Lb/in²) | Mpa | KSI (Lb/in²) | Carbon | Manganese | Phosphorus | Sulfur | Silicon | Vanadium | Niobium | Titanium | Carbon | Carbon | ||
| Mín-Máx. | Mín-Máx. | Mín-Máx. | Mín-Máx. | Eq. CEIIW | Eq. CEpcm | ||||||||||
| BM | L245M | 245-450 | 35.5-65.3 | 415-655 | 60.2-95.0 | 0.22 | 1.2 | 0.025 | 0.015 | 0.45 | 0.05 | 0.05 | 0.04 | 0.43 | 0.25 |
| X42M | L290M | 290-495 | 42.1-71.8 | 415-655 | 60.2-95.0 | 0.22 | 1.3 | 0.025 | 0.015 | 0.45 | 0.05 | 0.05 | 0.04 | 0.43 | 0.25 |
| X46M | L320M | 320-525 | 46.4-76.1 | 435-655 | 63.1-95.0 | 0.22 | 1.3 | 0.025 | 0.015 | 0.45 | 0.05 | 0.05 | 0.04 | 0.43 | 0.25 |
| X52M | L360M | 360-530 | 52.2-76.9 | 460-760 | 66.7-110.2 | 0.22 | 1.4 | 0.025 | 0.015 | 0.45 | Nota 3 | Nota 3 | Nota 3 | 0.43 | 0.25 |
| X56M | L390M | 390-545 | 56.6-79.0 | 490-760 | 71.1-110.2 | 0.22 | 1.4 | 0.025 | 0.015 | 0.45 | Nota 3 | Nota 3 | Nota 3 | 0.43 | 0.25 |
| X65M | L450M | 450-600 | 65.3-87.0 | 535-760 | 77.6-110.2 | 0.12 | 1.6 | 0.025 | 0.015 | 0.45 | Nota 3 | Nota 3 | Nota 3 | 0.43 | 0.25 |
| X70M | L485M | 485-635 | 70.3-92.1 | 570-760 | 82.7-110.2 | 0.12 | 1.7 | 0.025 | 0.015 | 0.45 | Nota 3 | Nota 3 | Nota 3 | 0.43 | 0.25 |
| X80M | L555M | 555-705 | 80.5-102.3 | 625-825 | 90.6-119.7 | 0.12 | 1.85 | 0.025 | 0.015 | 0.45 | Nota 3 | Nota 3 | Nota 3 | 0.43 | 0.25 |
Note 1. In welding, the tensile strength for pipes under SAW and COW should be minimal.
Note 2. For the steel grade: B; X42 and X46 the V and Nb = 0.05% max. and Ti = 0.04% Max.
Note 3. For all grades: Nb + V + Ti≤ 0.15%; Cu, ≤0.50%, Ni≤0.30%, Cr≤0.30%, Mo≤0.15%, Residual B≤0.001%
Norm API-5L PSL-2, Annex H license 5L-0831
| STEEL GRADE | YIELD STRENGTH (MIN) | TENSILE STRENGTH MIN | CHEMICAL ANALYSIS % MAX. | |||||||||||
| Mpa | KSI (Lb/in²) | Mpa | KSI (Lb/in²) | Carbon | Manganese | Phosphorus | Sulfur | Silicon | Vanadium | Niobium | Titanium | Carbon | ||
| Mín-Máx. | Mín-Máx. | Mín-Máx. | Mín-Máx. | Eq. CEpcm | ||||||||||
| BMS | L245MS | 245-450 | 35.5-65.3 | 415-655 | 60.2-95.0 | 0.1 | 1.25 | 0.02 | 0.002 | 0.04 | 0.04 | 0.04 | 0.04 | 0.19 |
| X42MS | L290MS | 290-495 | 42.1-71.8 | 415-655 | 60.2-95.0 | 0.1 | 1.25 | 0.02 | 0.002 | 0.04 | 0.04 | 0.04 | 0.04 | 0.19 |
| X46MS | L320MS | 320-525 | 46.4-76.1 | 435-655 | 63.1-95.0 | 0.1 | 1.35 | 0.02 | 0.002 | 0.45 | 0.05 | 0.05 | 0.04 | 0.2 |
| X52MS | L360MS | 360-530 | 52.2-76.9 | 460-760 | 66.7-110.2 | 0.1 | 1.45 | 0.02 | 0.002 | 0.45 | 0.05 | 0.06 | 0.04 | 0.2 |
| X56MS | L390MS | 390-545 | 56.6-79.0 | 490-760 | 71.1-110.2 | 0.1 | 1.45 | 0.02 | 0.002 | 0.45 | 0.06 | 0.08 | 0.04 | 0.21 |
| X60MS | L415MS | 415-565 | 60.2 – 81.9 | 520-760 | 75.4-110.2 | 0.1 | 1.45 | 0.02 | 0.002 | 0.45 | 0.08 | 0.08 | 0.06 | 0.21 |
| X65MS | L450MS | 450-600 | 65.3-87 | 535-760 | 77.6-110.2 | 0.1 | 1.6 | 0.02 | 0.002 | 0.45 | 0.1 | 0.08 | 0.06 | 0.22 |
| X70MS | L485MS | 485-635 | 70.3-92.10 | 570-760 | 82.7-110.2 | 0.1 | 1.6 | 0.02 | 0.002 | 0.45 | 0.1 | 0.08 | 0.06 | 0.22 |
Note 1. In welding, the tensile strength for pipes under SAW and COW should be minimal.
Note 2. For the steel grade: B; X42 and X46 the V and Nb = 0.05% max. and Ti = 0.04% Max.
Note 3. For all grades: Nb + V + Ti≤ 0.15%; Cu, ≤0.50%, Ni≤0.30%, Cr≤0.30%, Mo≤0.15%, Residual B≤0.001%
Table of production ranges
| THICKNESS | mm | 4 | 5.6 | 6.4 | 7.9 | 9.5 | 11.1 | 11.9 | 12.7 | 14.3 | 15.9 | 17.5 | 19.1 | 20.6 | 25.4 |
| In | 0.157 | 0.219 | 0.250 | 0.312 | 0.375 | 0.438 | 0.469 | 0.500 | 0.562 | 0.625 | 0.69 | 0.75 | 0.812 | 1 | |
| EXTERNAL DIAMETER | WEIGHT (kg / m) | ||||||||||||||
| in | mm | ||||||||||||||
| 20 | 508 | 49.5 | 69.4 | 79.2 | 98.6 | 116.8 | 136.0 | 145.6 | 155.1 | 174.1 | 192.9 | ||||
| 22 | 559 | 54.5 | 76.4 | 87.2 | 108.7 | 128.7 | 150.0 | 160.5 | 171.1 | 192.1 | 212.9 | 233.7 | |||
| 24 | 610 | 59.5 | 83.5 | 95.3 | 118.8 | 140.7 | 163.9 | 175.5 | 187.1 | 210.1 | 232.9 | 255.7 | |||
| 26 | 660 | 90.4 | 103.2 | 128.6 | 152.4 | 177.6 | 190.2 | 202.7 | 227.7 | 252.5 | 277.3 | ||||
| 28 | 711 | 97.4 | 111.2 | 138.7 | 164.3 | 191.6 | 205.2 | 218.7 | 245.7 | 272.5 | 299.3 | ||||
| 30 | 762 | 104.5 | 119.3 | 148.7 | 176.3 | 205.5 | 220.1 | 234.7 | 263.7 | 292.5 | 321.3 | 349.9 | |||
| 32 | 813 | 111.5 | 127.3 | 158.8 | 188.2 | 219.5 | 235.1 | 250.6 | 281.7 | 312.5 | 343.3 | 373.9 | 402.5 | ||
| 34 | 864 | 118.5 | 135.3 | 168.9 | 200.2 | 233.5 | 250.1 | 266.6 | 299.6 | 332.5 | 365.3 | 398.9 | 428.4 | ||
| 36 | 914 | 125.4 | 143.2 | 178.7 | 211.9 | 247.1 | 264.7 | 282.3 | 317.6 | 352.1 | 386.9 | 421.5 | 453.8 | 556.6 | |
| 38 | 965 | 132.5 | 151.3 | 188.8 | 223.8 | 261.1 | 279.7 | 298.2 | 335.3 | 372.1 | 408.9 | 445.5 | 479.8 | 588.5 | |
| 40 | 1016 | 139.5 | 159.3 | 198.9 | 235.8 | 275.1 | 294.7 | 314.2 | 353.2 | 392.1 | 430.9 | 469.5 | 505.7 | 620.5 | |
| 42 | 1067 | 146.6 | 167.4 | 208.9 | 247.7 | 289.0 | 309.6 | 330.2 | 371.2 | 412.1 | 452.9 | 493.6 | 531.6 | 652.4 | |
| 44 | 1118 | 175.4 | 219.0 | 259.7 | 303.0 | 324.6 | 346.2 | 389.2 | 432.1 | 474.9 | 517.6 | 557.5 | 684.4 | ||
| 46 | 1168 | 183.3 | 228.8 | 271.4 | 316.7 | 339.3 | 361.8 | 406.8 | 451.7 | 496.5 | 541.1 | 582.9 | 715.7 | ||
| 48 | 1219 | 191.4 | 238.9 | 283.3 | 330.6 | 354.2 | 377.8 | 424.8 | 471.7 | 518.5 | 565.2 | 608.8 | 747.6 | ||
| 52 | 1321 | 205.8 | 259.0 | 307.2 | 358.6 | 384.2 | 409.7 | 460.8 | 511.7 | 562.5 | 613.2 | 660.6 | 811.5 | ||
| 54 | 1372 | 269.1 | 319.2 | 372.5 | 399.1 | 425.7 | 478.8 | 531.7 | 584.5 | 637.2 | 686.5 | 843.5 | |||
| 56 | 1422 | 279.0 | 330.9 | 386.2 | 413.8 | 441.4 | 496.4 | 551.3 | 606.1 | 660.8 | 711.9 | 874.8 | |||
| 60 | 1524 | 299.1 | 354.8 | 414.1 | 443.7 | 473.3 | 532.4 | 591.3 | 650.1 | 708.8 | 763.7 | 938.7 | |||
| 64 | 1626 | 378.7 | 442.0 | 473.7 | 505.3 | 568.3 | 631.3 | 694.1 | 756.9 | 815.5 | 1002.6 | ||||
| 66 | 1676 | 390.4 | 455.7 | 488.3 | 520.9 | 586.0 | 650.9 | 715.7 | 780.4 | 840.9 | 1034.0 | ||||
| 68 | 1727 | 402.4 | 469.7 | 503.3 | 536.9 | 604.0 | 670.9 | 737.7 | 804.4 | 866.8 | 1066.0 | ||||
| 72 | 1829 | 426.3 | 497.6 | 533.2 | 568.8 | 639.9 | 710.9 | 781.8 | 825.5 | 918.7 | 1130.0 | ||||
| 76 | 1930 | 449.9 | 525.3 | 562.9 | 600.5 | 675.5 | 750.5 | 825.3 | 900.0 | 970.0 | 1193.0 | ||||
| 80 | 2032 | 473.8 | 553.2 | 592.8 | 632.4 | 711.5 | 790.5 | 869.4 | 948.1 | 1021.8 | 1256.9 | ||||
| 84 | 2134 | 497.7 | 581.1 | 622.7 | 664.4 | 747.5 | 830.5 | 913.4 | 996.1 | 1073.6 | 1320.8 | ||||
| 88 | 2235 | 521.4 | 608.7 | 652.4 | 696.0 | 783.1 | 870.1 | 957.0 | 1043.7 | 1124.9 | 1384.0 | ||||
| 90 | 2286 | 533.3 | 622.7 | 667.3 | 712.0 | 801.1 | 890.1 | 979.0 | 1067.7 | 1150.8 | 1416.0 | ||||
| 92 | 2337 | 682.3 | 727.9 | 819.1 | 910.1 | 1001.0 | 1091.7 | 1176.7 | 1447.9 | ||||||
| 96 | 2438 | 759.6 | 854.7 | 949.7 | 1044.6 | 1039.3 | 1228.0 | 1511.2 | |||||||
| 100 | 2540 | 890.7 | 989.7 | 1088.6 | 1187.4 | 1279.8 | 1575.1 | ||||||||
| 104 | 2642 | 926.6 | 1029.7 | 1132.6 | 1235.4 | 1331.7 | 1638.9 | ||||||||
| 108 | 2743 | 962.2 | 1069.3 | 1176.2 | 1283.0 | 1383.0 | 1702.2 | ||||||||
| 112 | 2845 | 1109.3 | 1220.2 | 1331.0 | 1434.8 | 1766.1 | |||||||||
| 116 | 2946 | 1148.9 | 1263.8 | 1378.3 | 1486.1 | 1829.4 | |||||||||
| 120 | 3048 | 1188.9 | 1307.8 | 1426.6 | 1537.9 | 1893.2 | |||||||||
Diameters between 100 “and 120” are only manufactured in structural quality. Ask the Commercial Division for dimensions other than this table.
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