Super Duplex S32750 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
S32750
Grade
C
< 0.03
Carbon
Cr
24.0 – 26.0
Chromium
Ni
6.0 – 8.0
Nickel
Mo
3.0 – 5.0
Molybdenum
N
0.24 – 0.32
Nitrogen
Mn
< 1.20
Manganese
Cu
< 0.50
Copper
Equivalent Grades
STD
Super Duplex 2507
Standard
UNS
S32750
UNS
W.NR
1.4410
Werkstoff No.
Mechanical Properties
550 MPa (Min)
Yield Strength (YS)
795 MPa (Min)
Ultimate Tensile Strength (UTS)
15% (Min)
Elongation
310 BHN (Max)
Hardness (Brinell)
Size Range
| Pipe Size (Inch) | Outside Diameter (Inch) | Inside Diameter (Inch) | Nominal Thickness (Inch) | External Area (in²) | Internal Area (in²) | Steel Area (in²) | External Surface (ft²/ft) | Internal Surface (ft²/ft) | Volume (ft³/ft) | Weight (lb/ft) | Weight (kg/m) | Threads per Inch |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/8 | 0.405 | 0.270 | 0.070 | 0.13 | 0.06 | 0.07 | 9.43 | 14.20 | 0.0004 | 0.24 | 0.36 | 27 |
| 1/4 | 0.540 | 0.360 | 0.090 | 0.23 | 0.10 | 0.13 | 7.07 | 10.49 | 0.0007 | 0.42 | 0.63 | 18 |
| 3/8 | 0.675 | 0.490 | 0.090 | 0.36 | 0.19 | 0.17 | 5.66 | 7.75 | 0.0013 | 0.57 | 0.84 | 18 |
| 1/2 | 0.840 | 0.620 | 0.110 | 0.55 | 0.30 | 0.25 | 4.55 | 6.14 | 0.0021 | 0.85 | 1.26 | 14 |
| 3/4 | 1.050 | 0.820 | 0.110 | 0.87 | 0.53 | 0.33 | 3.64 | 4.64 | 0.0037 | 1.13 | 1.68 | 14 |
| 1 | 1.315 | 1.050 | 0.130 | 1.36 | 0.86 | 0.49 | 2.90 | 3.64 | 0.0060 | 1.68 | 2.50 | 11½ |
| 1¼ | 1.660 | 1.380 | 0.140 | 2.16 | 1.50 | 0.67 | 2.30 | 2.77 | 0.0104 | 2.27 | 3.38 | 11½ |
| 1½ | 1.900 | 1.610 | 0.150 | 2.84 | 2.04 | 0.80 | 2.01 | 2.37 | 0.0141 | 2.72 | 4.04 | 11½ |
| 2 | 2.375 | 2.070 | 0.150 | 4.43 | 3.36 | 1.08 | 1.61 | 1.85 | 0.0233 | 3.65 | 5.43 | 11½ |
| 2½ | 2.875 | 2.470 | 0.200 | 6.49 | 4.79 | 1.70 | 1.33 | 1.55 | 0.0333 | 5.79 | 8.62 | 8 |
| 3 | 3.500 | 3.070 | 0.220 | 9.62 | 7.39 | 2.23 | 1.09 | 1.25 | 0.0513 | 7.58 | 11.27 | 8 |
| 3½ | 4.000 | 3.550 | 0.230 | 12.56 | 9.89 | 2.68 | 0.95 | 1.08 | 0.0687 | 9.11 | 13.56 | 8 |
| 4 | 4.500 | 4.030 | 0.240 | 15.90 | 12.73 | 3.17 | 0.85 | 0.95 | 0.0884 | 10.79 | 16.06 | 8 |
| 5 | 5.563 | 5.050 | 0.260 | 24.30 | 20.00 | 4.30 | 0.69 | 0.76 | 0.1389 | 14.61 | 21.74 | 8 |
| 6 | 6.625 | 6.070 | 0.280 | 34.47 | 28.89 | 5.58 | 0.58 | 0.63 | 0.2006 | 18.97 | 28.23 | 8 |
| 8 | 8.625 | 7.980 | 0.320 | 58.42 | 50.02 | 8.40 | 0.44 | 0.48 | 0.3552 | 28.55 | 42.49 | 8 |
| 10 | 10.750 | 10.020 | 0.370 | 90.76 | 78.85 | 11.90 | 0.36 | 0.38 | 0.5476 | 40.48 | 60.24 | 8 |
| 12 | 12.750 | 11.940 | 0.410 | 127.64 | 111.90 | 15.74 | 0.30 | 0.32 | 0.7763 | 53.60 | 79.77 | 8 |
| 14 | 14.000 | 13.130 | 0.440 | 153.94 | 135.30 | 18.64 | 0.27 | 0.28 | 0.9354 | 63.00 | 93.75 | 8 |
| 16 | 16.000 | 15.000 | 0.500 | 201.05 | 176.70 | 24.35 | 0.24 | 0.25 | 1.2230 | 78.00 | 116.08 | 8 |
| 18 | 18.000 | 16.880 | 0.560 | 254.85 | 224.00 | 30.85 | 0.21 | 0.23 | 1.5550 | 105.00 | 156.26 | 8 |
| 20 | 20.000 | 18.810 | 0.590 | 314.15 | 278.00 | 36.15 | 0.19 | 0.20 | 1.9260 | 123.00 | 183.05 | 8 |
| 24 | 24.000 | 22.630 | 0.690 | 452.40 | 402.10 | 50.30 | 0.16 | 0.17 | 2.7930 | 171.00 | 254.48 | 8 |
Recent Export Deliveries
🇸🇦
Saudi Aramco Total
Al Jubail, Saudi Arabia
304 SS Round Bars, 50mm OD, ASTM A276
Delivered in 7 days
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Hess Corporation
New York City, USA
SS 304 Hex Bars, 40mm A/F, Cold Drawn
Delivered in 14 days
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Shell PLC
London, United Kingdom
304 SS Flat Bars, 100×20mm, Bright Finish
Delivered in 14 days
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ADNOC
Abu Dhabi, UAE
304 SS Square Bars, 40mm, Forged Grade
Delivered in 5 days
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Sasol Limited
Johannesburg, South Africa
SS 304 Hollow Bars, 80mm OD × 20mm wall
Delivered in 21 days
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BASF SE
Ludwigshafen, Germany
304 SS Round Bars 25–100mm, EN 10204 3.2
Delivered in 18 days
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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