Home / Duplex Steel Pipe Fittings / Super Duplex Steel S32750 Pipe Fittings
Global Steel is a reputable, Manufacturer and supplier of Super Duplex S32750 Pipe Fittings. These Fittings are made in several measurements, in standard and customized sizes.
With high yield strength and tensile strength ratings, super duplex S32750 is a variation of stainless steel alloy that is predominantly used in the oil and gas industry, particularly for offshore platforms, heat exchangers, structural components, and architectural components. Moreover, super duplex stainless steel S32750 Pipe Fittings have excellent stress corrosion crack resistance, are pitting resistant, and are highly weldable.
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We offer Super Duplex Pipe Fittings for a variety of uses in industries such as Chemical Processing and Marine environments. Super Duplex, which is characterized by excellent corrosion resistance, has been used by chemical and process industries, pulp mills, offshore systems, flue gas desulfurization units, and pulp mill compressors. The localized corrosion resistance is comparable to that of 6% Mo Super-Austenitic grades.
Super Duplex S32750 Pipe Fittings contain enough chromium to undergo passivation resulting in an inert film of chromium oxide on the surface. The type of application that would fall under this category of Super Duplex S32750 Pipe Fittings is the construction of desalination plants or hot water boilers. Super Duplex S32750 Pipe Fittings has a coefficient of thermal expansion similar to carbon steel.
Our manufactured Super Duplex Fittings include all of the attributes that contribute to dependable performance throughout applications. We perform a variety of destructive and non-destructive tests on our Super Duplex Steel Fittings and provide reports to evaluate the properties of Super Duplex Steel UNS S32750 Buttweld Fittings. These fittings are sent for a quality check once they are done with all the fabrication processes. These fittings are packed in bubble wraps or shrink wraps to maintain the quality during transportation, the fastest mode of transportation has been chosen.
How does Super Duplex Steel S32750 compare to other materials?
When compared with other materials such as 304L stainless steel or duplex 2205, Super Duplex Steel S32750 offers better mechanical properties including greater strength and superior corrosion resistance in challenging environments such as seawater or acidic conditions. However, these benefits come at a price—namely increased cost—which may make this material less attractive for certain applications where cost savings are paramount.
What are the welding procedures for Super Duplex Steel S32750 pipe fittings?
Working with Super Duplex Steel S32750 pipe fittings can be challenging and require more care than working with regular steel pipes. Adherence to the welding procedure is essential to ensure a safe, fit-for-purpose joint. Generally speaking, the welding process for Super Duplex Steel S32750 pipe fittings includes preheating/interpass temperature control, preheating up to about 250°C, using essential low alloy filler metals such as E2209-16, maintaining a low heat input and minimizing interpass temperatures during welding.
Limitations of Super Duplex Steel S32750 pipe fittings?
Super Duplex Steel S32750 pipe fittings have some limitations that must be considered. Although they are highly resistant to corrosion, they may not be suitable for use in certain highly acidic or highly alkaline environments. Super Duplex Steel S32750 pipe fittings are also relatively expensive compared to other pipe fittings. Additionally, their high strength and hardness may require specialized equipment and techniques for fabrication and installation. Finally, their availability may be limited in some regions, affecting the cost and lead time of obtaining them.
| Standards | ASTM A815 / ASME SA815 |
| Dimensions | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS4504, BS1560, BS10 |
| Size |
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| Type | Seamless / Welded / Fabricated |
| Thickness | SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75 |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom |

| STANDARD | WERKSTOFF NR. | UNS |
| Super Super Duplex S32750 | 1.4410 | S32750 |
| ASME B16.9 ASTM A815 S32750 Fittings | Factory-Made Wrought Buttwelding Fittings | Long Radius Elbows, Long Radius Reducing Elbows, Long Radius Returns, Short Radius Elbows, Short Radius 180-deg Rerurns, 3D elbows, Straight Tees, Straight Crosses, Reducing Outlet Tees, Reducing Outlet Crosses, Lap Joint Stub Ends, Caps, Reducers |
| ASME B16.28 | Short Radius Elbows, Short Radius 180-deg Returns | |
| MSS SP43 | Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications | Long Radius Elbows, Straight and Reducing-on-the-Outlet Tees, Lap Joint Stub ends, caps, long radius 180 Degree returns, concentric reducers, eccentric reducers |
| Mss SP75 | Long Radius Elbows, 3R elbows, straight tees, reducing outlet tees, caps, reducers |






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We offer These Super Duplex Steel S32750 Buttweld Pipe Fittings as per DIN, ISO, JIS or ANSI Standard.
| 1/2 TO 2-1/2 | +1/16 | ±1/32 | Not less than 87-1/2% of Normal Thickness | ±1/16 | ±1/16 | ±1/8 | ±1/4 | ±1/4 | ±1/32 | 12 to 4 | 1/32 | 1/16 |
| -1/32 | 5 to 8 | 1/16 | 1/8 | |||||||||
| 3 TO 3-1/2 | ±1/16 | ±1/16 | ±1/16 | ±1/16 | ±1/8 | ±1/4 | ±1/4 | ±1/32 | 10 to 12 | 3/32 | 3/16 | |
| 4 | ±1/16 | ±1/16 | ±1/16 | ±1/16 | ±1/8 | ±1/4 | ±1/4 | ±1/32 | 14 to 16 | 3/32 | 1/4 | |
| 5 TO 8 | +1/32 | ±1/16 | ±1/16 | ±1/16 | ±1/4 | ±1/4 | ±1/4 | ±1/32 | 18 to 24 | 1/8 | 3/8 | |
| -1/16 | ||||||||||||
| 10 TO 18 | +1/16 | ±1/8 | ±3/32 | ±3/32 | ±1/4 | ±3/8 | ±1/4 | ±1/16 | All dimensions are in inches | |||
| -1/8 | ||||||||||||
| 20 TO 24 | +1/4 | ±3/32 | ±3/32 | ±3/32 | ±1/4 | ±3/8 | ±1/4 | ±1/16 | ||||
| -3/32 | ||||||||||||
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| S32750 | 0.030 max | 1.20 max | 0.80 max | 0.035 max | 0.020 max | 24.00 – 26.00 | 3.00 – 5.00 | 6.00 – 8.00 | 0.24 – 0.32 | 58.095 min |
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S32750 | 7.8 | 0.281 | 1350 | 2460 |
Application Industry
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Global Steel is a significant manufacturer and exporter of all ferrous and non-ferrous metals. As a pioneer and leader in the industry, Global Steel is at the forefront of technology and research.
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