Louis Metals is a prominent distributor of Super Duplex Steel S32750 Bars and Rods in Houston, USA. Engineered for high strength and superior resistance to pitting, crevice, and stress corrosion, S32750 (UNS S32750) is a superalloy duplex stainless steel for rigorous applications. Our S32750 rods provide high mechanical strength along with superior corrosion resistance in chloride-rich and marine environments. Made in accordance with ASTM A276 and A479 specifications, Louis Metals provides S32750 bars with multiple sizes and surface finishes. We provide long-lasting, high-performance duplex steel solutions for offshore, petrochemical, and chemical processing industries.
Super Duplex S32750 contains about 25% chromium, 7% nickel, 4% molybdenum, and nitrogen. It possesses outstanding mechanical properties, such as a tensile strength of ~800 MPa and a yield strength of ~550 MPa. The two-phase microstructure (austenitic-ferritic) exhibits high toughness, fatigue strength, and corrosion resistance, particularly in chloride-containing environments. It is effective in seawater and hostile chemical environments and thus ranks higher than conventional duplex or stainless steels. Louis Metals maintains rigorous quality control for rods that are ASTM and NACE compliant.
| Standard | ASTM A276, ASME SA276 |
| Round Bar Size | 3mm~ 800mm |
| Square Bar Size | 4mm* 4mm ~100mm* 100mm |
| Flat Bar Size | 2mm ~ 100mm |
| Hex Bar Size | 2mm ~ 100mm |
| Angle Size | 3mm* 20mm* 20mm~ 12mm* 100mm* 100mm |
| Thickness | 50 mm to 6000 mm Long |
| Length | 1 To 6 Meters, Custom Cut Length |
| Form | Round, Square, Hex(A/F), Rectangle, Billet, Ingot, Forging Etc |
| 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 |
| STANDARD | WERKSTOFF NR. | UNS |
| Super Super Duplex S32750 | 1.4410 | S32750 |
Yes, Super Duplex Steel S32750 Bars are highly corrosion-resistant, offering excellent protection against pitting, crevice corrosion, and stress corrosion cracking. They are ideal for harsh environments, including marine and chemical industries.
Yes, Super Duplex Steel S32750 Bars can be used for underground applications due to their excellent corrosion resistance, high strength, and durability in harsh environments. Their resistance to stress corrosion cracking makes them suitable for such conditions.
Super Duplex Steel S32750 Bars offer exceptional corrosion resistance, high strength, and excellent toughness. They are ideal for harsh environments, resisting pitting, crevice corrosion, and stress corrosion cracking.
S32750 Bars and Rods find widespread application in the offshore oil & gas industry in risers, manifolds, subsea systems, and fasteners. Their low resistance to chloride stress corrosion makes them suitable for pulp & paper processing, desalination plants, and marine structures. They are applied in chemical processing for pressure vessels, reactors, and heat exchangers. Their strength also supports reducing weight in structural uses. Super Duplex S32750 bars by Louis Metals are available in precision length and finish and provide reliability along with a longer service life in corrosive, high-pressure industrial conditions.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Louis Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Houston, USA
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