ASTM A789 Pipe Supplier
Available Forms & Types
Most Common
Round Bars
Cold drawn, centreless ground & polished. Used in shafts, fasteners, machined components.
- OD: 4mm to 500mm
- Bright / Polish / Black finish
- Length: 1–6 metres
Precision
Hex Bars
Across-flat 18mm–57mm. Ideal for bolt, nut & valve body machining applications.
- 18mm – 57mm A/F
- Cold drawn condition
- Non-magnetic grade
Structural
Square Bars
Used in structural fabrication, tooling and engineering. Custom sizes available.
- 18mm – 47mm
- Bright / Rough Turned
- Custom sizes on request
Wide Range
Flat Bars
Width ½" to 10", thickness 2mm to 150mm. Sheared & edged or hot-rolled condition.
- Width: ½" to 10"
- Thickness: 2–150mm
- Custom width available
Hollow
Hollow Bars
Seamless hollow bar for bushings, sleeves & valve bodies. Saves machining time.
- OD: 4mm to 100mm
- Various wall thickness
- Centreless ground
High Strength
Forged Bars
Hot forged for superior grain structure. Heavy-duty industrial and aerospace use.
- 15mm to 300mm
- Ultrasonic tested
- Rough turned finish
Specifications
| Specifications | ASTM A790 / ASTM A789 / ASTM A928 (As Per Grade) |
| Dimensions | ASTM, ASME, ANSI B36.10M, ANSI B36.19M |
| Pipe Size | 1/2" NB to 24" NB |
| Seamless Pipe Size | 1/2" NB to 8" NB |
| Welded Pipe Size | 6" NB to 24" NB |
| Pipe Type | Seamless, ERW, Welded, Fabricated, EFW |
| Schedule | SCH 5, SCH 10, SCH 20, SCH 30, SCH 40, STD, SCH 60, SCH 80, XS, SCH 120, SCH 140, SCH 160, XXS |
| Form | Round, Square, Rectangular, Hydraulic Pipe & Tube |
| Length | Single Random, Double Random & Cut Length |
| End | Plain End, Beveled End, Threaded End |
| Surface Finish | Annealed & Pickled (AP), Bright Annealed (BA), Polished, Mill Finish |
| Inspection & Testing | PMI Test, Hydrostatic Test, Eddy Current Test, Ultrasonic Test, Flattening Test, Flaring Test, Third Party Inspection |
| Test Certificate | MTC EN 10204 3.1, IBR Test Certificate, NABL Approved Lab Report, Third Party Inspection |
| Marking | Grade, Size, Heat No., Specification, Manufacturer's Logo |
| Packing | Plastic End Caps, Bundles, Wooden Boxes, Wooden Pallets, Export Worthy Packing |
CHEMICAL COMPOSITION
| UNS Number | Grade | C (%) | Mn (%) | P (%) | S (%) | Si (%) | Cr (%) | Ni (%) | Mo (%) | N (%) | Cu (%) | Other |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S31200 | - | 0.030 | 2.00 | 0.045 | 0.030 | 1.00 | 24.0-26.0 | 5.5-6.5 | 1.20-2.00 | 0.14-0.20 | - | - |
| S31260 | - | 0.030 | 1.00 | 0.030 | 0.030 | 0.75 | 24.0-26.0 | 5.5-7.5 | 2.5-3.5 | 0.10-0.20 | 0.20-0.80 | W 0.10-0.20 |
| S31803 | - | 0.030 | 2.00 | 0.030 | 0.020 | 1.00 | 21.0-23.0 | 4.5-6.5 | 2.5-3.5 | 0.08-0.20 | - | - |
| S32001 | - | 0.030 | 4.0-6.0 | 0.040 | 0.030 | 1.00 | 22.0-23.0 | 1.00-3.00 | 0.60 | 0.05-0.17 | 1.00 | - |
| S32205 | 2205 | 0.030 | 2.00 | 0.030 | 0.020 | 1.00 | 19.5-21.5 | 4.5-6.5 | 3.0-3.5 | 0.14-0.20 | - | - |
| S32304 | 2304 | 0.030 | 2.50 | 0.040 | 0.030 | 1.00 | 21.5-24.5 | 3.0-5.5 | 0.05-0.60 | 0.05-0.20 | 0.05-0.60 | - |
| S32520 | - | 0.030 | 1.50 | 0.035 | 0.020 | 0.80 | 24.0-26.0 | 5.5-8.0 | 3.0-4.0 | 0.20-0.35 | 0.50-2.00 | - |
| S32550 | 255 | 0.040 | 1.50 | 0.040 | 0.030 | 1.00 | 24.0-27.0 | 4.5-6.5 | 2.9-3.9 | 0.10-0.25 | 1.5-2.5 | - |
| S32750 | 2507 | 0.030 | 1.20 | 0.035 | 0.020 | 0.80 | 24.0-26.0 | 6.0-8.0 | 3.0-5.0 | 0.24-0.32 | 0.50 | - |
| S32760 | - | 0.030 | 1.00 | 0.030 | 0.010 | 1.00 | 24.0-26.0 | 6.0-8.0 | 3.0-4.0 | 0.20-0.30 | 0.50-1.00 | C |
| S32900 | 329D | 0.060 | 1.00 | 0.040 | 0.030 | 0.75 | 23.0-28.0 | 2.5-5.0 | 1.0-2.0 | - | - | - |
| S32950 | - | 0.030 | 2.00 | 0.035 | - | - | - | - | - | - | - | - |
EQUIVALENT GRADES
| ASTM A790 / A928 UNS | EN Standard | Material No. (WNr) |
|---|---|---|
| S31260 | EN 10216-2 Seamless / EN 10217-5 Welded (X2CrNiMoN25-7-4) | 1.4410 |
| S32900 | EN 10216-2 Seamless / EN 10217-5 Welded (X3CrNiMoN27-5-2) | 1.4460 |
| S31803 / S32205 | EN 10216-2 Seamless / EN 10217-5 Welded (X2CrNiMoN22-5-3) | 1.4462 |
| S32760 | EN 10216-2 Seamless / EN 10217-5 Welded (X2CrNiMoCuWN25-7-4) | 1.4501 |
| S32750 / S32550 | EN 10216-2 Seamless / EN 10217-5 Welded (X2CrNiMoCuN25-6-3) | 1.4507 |
Weight Chart
| NPS | Outside Diameter (OD) | Wall Thickness (WT) | Weight | Weight | |||
| in | mm | in | mm | Sched | kg/Mtr | Lb/ft | |
| 1/2" | 0.840 | 21 | 0.109 | 2.769 | 40 STD | 1.268 | 0.851 |
| 0.147 | 3.734 | 80 STD | 1.621 | 1.088 | |||
| 3/4" | 1.050 | 27 | 0.113 | 2.870 | 40 STD | 1.684 | 1.131 |
| 0.154 | 3.912 | 80 STD | 2.195 | 1.474 | |||
| 1" | 1.315 | 33 | 0.133 | 3.378 | 40 STD | 2.501 | 1.679 |
| 0.179 | 4.547 | 80 STD | 3.325 | 2.172 | |||
| 1 1/4" | 1.660 | 42 | 0.140 | 3.556 | 40 STD | 3.385 | 2.273 |
| 0.191 | 4.851 | 80 STD | 4.464 | 2.997 | |||
| 1 1/2" | 1.900 | 48 | 0.145 | 3.683 | 40 STD | 4.048 | 2.718 |
| 0.200 | 5.080 | 80 STD | 5.409 | 3.361 | |||
| 2" | 2.375 | 60 | 0.154 | 3.912 | 40 STD | 5.441 | 3.653 |
| 0.218 | 5.537 | 80 STD | 7.480 | 5.022 | |||
| 2 1/2" | 2.875 | 73 | 0.203 | 5.516 | 40 STD | 8.629 | 5.793 |
| 0.276 | 7.010 | 80 STD | 11.411 | 7.661 | |||
| 3" | 3.500 | 89 | 0.216 | 5.486 | 40 STD | 11.284 | 7.576 |
| 0.300 | 7.620 | 80 STD | 15.272 | 10.253 | |||
| 4" | 4.500 | 114 | 0.237 | 6.020 | 16.073 | 10.790 | |
| 0.337 | 8.560 | 22.318 | 14.983 | ||||
| 6" | 6.625 | 168 | 0.188 | 4.775 | 19.252 | 12.924 | |
| 0.203 | 5.516 | 20.739 | 13.923 | ||||
| 0.219 | 5.563 | 22.318 | 14.983 | ||||
| 0.250 | 6.350 | 25.354 | 17.021 | ||||
| 0.280 | 7.112 | 40 STD | 58.263 | 18.974 | |||
| 0.312 | 7.925 | 31.334 | 21.036 | ||||
| 0.375 | 9.525 | 37.285 | 25.031 | ||||
| 0.432 | 10.973 | 80 XHY | 42.561 | 28.573 | |||
| 0.500 | 12.700 | 48.719 | 32.708 | ||||
| 8" | 8.625 | 219 | 0.188 | 4.775 | 25.233 | 16.940 | |
| 0.203 | 5.156 | 27.198 | 18.259 | ||||
| 0.219 | 5.563 | 29.286 | 19.661 | ||||
| 0.250 | 6.350 | 20 | 33.308 | 22.361 | |||
| 0.277 | 7.036 | 30 | 36.786 | 24.696 | |||
| 0.322 | 8.179 | 40 | 42.352 | 28.554 | |||
| 0.375 | 9.525 | 49.216 | 33.041 | ||||
| 0.406 | 10.312 | 60 | 53.085 | 35.638 | |||
| 0.500 | 12.700 | 80 XHY | 64.627 | 43.388 | |||
| 10" | 10.750 | 273 | 0.188 | 4.775 | 31.588 | 21.207 | |
| 0.219 | 5.563 | 36.689 | 24.631 | ||||
| 0.250 | 6.350 | 20 | 41.759 | 28.035 | |||
| 0.307 | 7.798 | 30 | 51.002 | 34.240 | |||
| 0.344 | 8.738 | 56.946 | 38.231 | ||||
| 0.365 | 9.271 | 40 STD | 63.301 | 40.483 | |||
| 0.438 | 11.125 | 71.852 | 48.238 | ||||
| 0.500 | 12.700 | 60 XHY | 81.530 | 54.735 | |||
| 0.594 | 15.088 | 80 | 95.969 | 64.429 | |||
| 12" | 12.750 | 324 | 0.188 | 4.775 | 37.570 | 25.222 | |
| 0.219 | 5.563 | 43.657 | 29.309 | ||||
| 0.250 | 6.350 | 49.713 | 33.375 | ||||
| 0.281 | 7.137 | 55.739 | 37.420 | ||||
| 0.312 | 7.925 | 61.735 | 41.445 | ||||
| 0.375 | 9.525 | 73.824 | 49.562 | ||||
| 0.406 | 10.312 | 79.727 | 53.525 | ||||
| 0.500 | 12.700 | 97.438 | 65.415 | ||||
| 0.562 | 14.275 | 108.966 | 73.154 | ||||
| 14" | 14.000 | 356 | 0.188 | 4.775 | 41.308 | 27.732 | |
| 0.219 | 5.563 | 48.012 | 32.233 | ||||
| 0.250 | 6.350 | 20 | 54.685 | 36.713 | |||
| 0.281 | 7.137 | 61.327 | 41.172 | ||||
| 0.312 | 7.925 | 67.939 | 45.611 | ||||
| 0.375 | 9.525 | STD | 81.281 | 54.568 | |||
| 0.438 | 11.125 | 40 | 94.498 | 63.441 | |||
| 0.500 | 12.700 | XHY | 107.381 | 72.090 | |||
| 0.625 | 15.875 | 132.983 | 89.278 | ||||
| 16” | 16.000 | 406 | 0.188 | 4.775 | 47.290 | 21.748 | |
| 0.219 | 5.563 | 54.980 | 36.910 | ||||
| 0.250 | 6.350 | 10 | 62.639 | 42.053 | |||
| 0.281 | 7.137 | 70.268 | 47.174 | ||||
| 0.312 | 7.925 | 20 | 77.866 | 52.275 | |||
| 0.344 | 8.738 | 85.677 | 57.519 | ||||
| 0.375 | 9.525 | 30 STD |
93.213 | 62.578 | |||
| 0.438 | 11.125 | 108.433 | 72.797 | ||||
| 0.500 | 12.700 | 40 XHY |
123.289 | 82.770 | |||
| 18" | 18.000 | 457 | 0.219 | 5.563 | 61.948 | 41.588 | |
| 0.250 | 6.350 | 70.593 | 47.393 | ||||
| 0.281 | 7.137 | 79.208 | 53.176 | ||||
| 0.312 | 7.925 | 20 | 87.792 | 58.939 | |||
| 0.375 | 9.525 | STD | 105.144 | 70.588 | |||
| 0.438 | 11.125 | 30 | 122.369 | 82.152 | |||
| 0.500 | 12.700 | XHY | 139.198 | 93.450 | |||
| 0.562 | 14.275 | 40 | 155.904 | 104.666 | |||
| 0.625 | 15.875 | 172.754 | 115.978 | ||||
| 20" | 20.000 | 508 | 0.250 | 6.350 | 78.547 | 52.733 | |
| 0.282 | 7.163 | 88.458 | 59.386 | ||||
| 0.312 | 7.925 | 97.719 | 65.604 | ||||
| 0.375 | 9.525 | 20 STD | 117.075 | 78.598 | |||
| 0.438 | 11.125 | 136.305 | 91.508 | ||||
| 0.500 | 12.700 | 30 XHY | 155.106 | 104.130 | |||
| 0.594 | 15.088 | 40 | 183.378 | 123.110 | |||
| 0.625 | 15.875 | 192.640 | 129.328 | ||||
| 0.688 | 17.475 | 211.368 | 141.901 | ||||
| 24" | 24.000 | 610 | 0.250 | 6.350 | 94.456 | 63.413 | |
| 0.281 | 7.137 | 106.029 | 71.183 | ||||
| 0.312 | 7.925 | 117.573 | 18.932 | ||||
| 0.375 | 9.525 | 20 STD | 140.938 | 64.618 | |||
| 0.438 | 11.125 | 164.176 | 110.219 | ||||
| 0.500 | 12.700 | XHY | 186.923 | 125.490 | |||
| 0.625 | 15.875 | 232.410 | 156.028 | ||||
| 0.688 | 17.475 | 40 | 255.148 | 171.293 | |||
| 0.750 | 19.050 | 277.401 | 186.233 | ||||
| 30" | 30.000 | 762 | 0.250 | 6.350 | 118.318 | 79.433 | |
| 0.281 | 7.137 | 132.851 | 89.189 | ||||
| 0.312 | 7.925 | 10 | 147.353 | 98.925 | |||
| 0.375 | 9.525 | STD | 176.731 | 118.648 | |||
| 0.438 | 11.125 | 205.983 | 138.286 | ||||
| 0.500 | 12.700 | 20 XHY | 234.647 | 157.530 | |||
| 0.625 | 15.875 | 30 | 292.066 | 196.078 | |||
| 0.688 | 17.475 | 320.817 | 215.380 | ||||
| 0.750 | 19.050 | 348.988 | 234.293 | ||||
| 36" | 36.000 | 914 | 0.250 | 6.350 | 142.180 | 95.453 | |
| 0.281 | 7.137 | 159.672 | 107.196 | ||||
| 0.312 | 7.925 | 10 | 177.133 | 118.918 | |||
| 0.375 | 9.525 | STD | 215.525 | 142.678 | |||
| 0.438 | 11.125 | 247.790 | 166.353 | ||||
| 0.500 | 12.700 | 20 XHY | 282.372 | 198.570 | |||
| 0.625 | 15.875 | 351.723 | 236.128 | ||||
0.688 |
17.475 | 386.487 | 259.467 | ||||
0.750 |
19.050 | 420.576 | 282.353 | ||||
| 42" | 42.000 | 1067 | 0.312 | 7.925 | 206.914 | 138.911 | |
| 0.375 | 9.525 | STD | 248.319 | 166.708 | |||
| 0.500 | 12.700 | XHY | 33.097 | 221.610 | |||
| 0.750 | 19.050 | 492.163 | 330.413 | ||||
| 48" | 48.000 | 1219 | 0.375 | 9.525 | STD | 284.112 | 190.738 |
| 0.438 | 11.125 | 331.404 | 222.487 | ||||
| 0.500 | 12.700 | XHY | 377.822 | 253.650 | |||
| 0.750 | 19.050 | 563.750 | 378.473 | ||||
| 0.875 | 22.225 | 655.969 | 440.383 | ||||
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Availability of Duplex & Super Duplex Pipes
| Duplex 2205 Pipe | Lean Duplex 2101 Pipe |
| Duplex S31803 Pipe | ASTM A789 Pipe |
| Super Duplex 32750 Pipe | ASTM A928 Super Duplex 32760 Pipe |
Latest Prices of Pipes
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