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Super Duplex Steel S32760 Hex Bolts
Super Duplex Steel S32760 Hex Bolts are renowned for their superior strength, corrosion resistance, and durability, making them an excellent choice for critical applications in offshore, marine, and chemical processing industries. These hex bolts are manufactured by ASTM A193, ASME SA193, and DIN EN 1.4501 standards, ensuring they meet stringent quality and performance criteria. The unique properties of Super Duplex S32760 hex bolts stem from their dual-phase microstructure, which combines the benefits of both austenitic and ferritic stainless steels, providing enhanced mechanical strength and excellent resistance to stress corrosion cracking.
As a leading super duplex steel S32760 hex bolts manufacturer, Vision Alloys offers products with a precise chemical composition, including approximately 25% chromium, 7% nickel, 3.5% molybdenum, and the addition of tungsten and copper. This composition significantly improves pitting and crevice corrosion resistance, particularly in environments with high chloride content. The high PREN (Pitting Resistance Equivalent Number) value of this alloy indicates its superior corrosion resistance, making it suitable for use in highly corrosive environments such as desalination plants, chemical tanks, and subsea equipment.
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UNS
S32760
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WNR
1.4410
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ASTM
ASTM A479 / SA479
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Features: Super Duplex Steel S32760 Hex Bolts (1.4501) offer a unique combination of properties that make them suitable for various applications. These include:
- High strength: With a tensile strength of over 100 ksi, these hex bolts have twice the strength of standard austenitic stainless steel. This makes them ideal for heavy-duty applications.
- Excellent corrosion resistance: The high chromium, molybdenum, and nitrogen content in Super Duplex Steel S32760 provide excellent resistance to pitting, crevice corrosion, and general corrosion. It can withstand highly acidic and chloride environments without corroding.
- Good weldability: Despite its high strength and corrosion resistance, Super Duplex Steel S32760 is easily weldable, making it suitable for fabrication and construction.
- Low thermal expansion: The low coefficient of thermal expansion in this steel helps to reduce the risk of warping or cracking during heat treatment or welding.
Specifications
of Super Duplex Steel S32760 Hex Bolts
| Standards | ASTM A479, ASME SA479 |
| Standard | DIN, ASTM, BS and all International Standards |
| Diameter | M3 to M100 up to 1000 MM |
| DIN Standard | B.S. DIN 931, DIN 933, DIN 912, DIN 934, DIN 6923, DIN 603, DIN 7981, DIN 970, DIN916, DIN 7982, DIN 7985, DIN 913 |
| UTS | NPT, UNS, UNF, UNC, UNEF, NPTF |
| ISO | ISO 4033, ISO 4032, ISO 7380, ISO 4017, JIS standards |
| Threads | METRIC, BSW, UNC, UNF, BSF or as required |
Our reputation as a super duplex steel S32760 hex bolts supplier in India is built on delivering high-quality products that meet the diverse needs of our clients. We offer these hex bolts in various sizes and lengths, catering to various industrial applications. The standard sizes range from M6 to M100, with custom sizes available upon request. Each bolt undergoes rigorous testing and quality assurance processes, including mechanical testing, corrosion resistance testing, and dimensional inspections, ensuring our customers receive products that meet their specifications and requirements.
The super duplex S32760 hex bolt size can be tailored to fit specific applications, and our team of experts is available to guide you in selecting the appropriate size and grade. In terms of pricing, the cost of these hex bolts varies depending on size, length, and quantity. On average, the price ranges from ₹500 to ₹2000 per piece, depending on the specifications and current market conditions. Our commitment to competitive pricing and high quality ensures that clients receive value for their investment and reliable and durable products.
Why Buy from Vision Alloys?
Vision Alloys works as an extension of your procurement and engineering teams. Our metallurgical team traces every heat of raw material through certification, so each shipment of Super Duplex Steel S32760 Hex Bolts is delivered with full mill test reports and material certificates. Before dispatch, we verify the pitting resistance equivalent number (PREN) on every batch, confirming a rating of 40 or above for chloride and sour-service exposure. That single check removes a step from your incoming inspection.
Orders range from a handful of bolts for a plant shutdown to container loads for a new build, and both ship on the timeline you specify. As one of the Super Duplex Steel S32760 Hex Bolts Suppliers that engineering teams call back for repeat orders, we back every shipment with third-party inspection on request and technical support from engineers who understand duplex metallurgy.
Why Choose S32760 Over Standard Stainless Steel Hex Bolts?
S32760 outperforms 316 and 316L stainless hex bolts on strength, corrosion resistance, and temperature range. Its pitting resistance equivalent number (PREN) sits at 40 or higher, more than 15 points above the roughly 24 PREN of 316 stainless. That gap decides whether a bolt survives a decade of chloride exposure or needs replacement within two years.
ASTM A479 sets a minimum yield strength of 550 MPa (80 ksi) and tensile strength of 750 MPa (109 ksi) for S32760, close to double the yield of annealed 316. A smaller bolt diameter can then carry the same flange load, useful where clearance is tight.
Notch ductility holds down to minus 50°C, and the alloy resists stress corrosion cracking in both chloride and sour (H2S) service, unlike standard austenitic stainless. For subsea, sour gas, and marine flanges, that combination removes the two failure modes behind most unplanned bolt replacement.
Quality Assurance
To preserve the high standards of our selection of industrial Hex Bolt, we have always adhered to a systematic quality management process.
Team OF Experts
Our staff of experts is vibrant and talented, and they have always been our largest supporters and contributors to our success. Our vision is to create a world of Hex Bolt.
Equivalent Grades Of Super Duplex Steel S32760 Hex Bolts
| STANDARD | WERKSTOFF NR. | UNS |
| Super Duplex 2507 | 1.4410 | S32760 |
Chemical Composition of Super Duplex Steel S32760 Hex Bolts
| C | Cr | Ni | Mo | N | Others |
|---|---|---|---|---|---|
| 0.020 | 25 | 7 | 4.0 | .27 | S=0.001 |
Mechanical Properties of SDSS UNS S32760 Hex Bolt
| Element | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S32760 | 7.8 | 0.281 | 1350 | 2460 |
Types of Super Duplex Steel S32760 Hex Bolt
Super Duplex Steel S32760 Hex Bolt
UNS S32760 Heavy Hex Bolt
Super Duplex S32760 Hex Tap Bolt
SDSS S32760 Hex Flange Bolt
SDSS UNS S32760 Half Threaded Hex Bolt
Super Duplex Steel S32760 Fully Threaded Hex Bolt
Super Duplex S32760 Hex Machine Bolt
Super Duplex Steel S32760 Hex Shoulder Bolt
Hex Bolt Manufacturers In India
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Nut proof load testing to ISO 898-2
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Suitability for preloading to EN 14399-2
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Calibrated gauges and tools
Other Types of Super Duplex Steel S32760 Hex Bolts
| Super Duplex Steel S32760 Hex Bolt Manufacturer in Mumbai | Super Duplex Stainless Steel S32760 Hex Machine Bolt |
| Super Duplex Stainless Steel S32760 Hex Bolt | Super Duplex Steel UNS S32760 Industrial Hex Bolts |
| 1.4410 Hex Head Bolts | Super Duplex Stainless Steel S32760 Hex Tap Bolt |
| SDSS S32760 Hex Head Shoulder Bolt Price List | S32760 Super Duplex Stainless Steel Hex Tap Bolts |
| SDSS S32760 Hex Bolts Manufacturers in Mumbai | Super Duplex Stainless Steel S32760 Hex Bolt |
| UNS S32760 Hex Flange Bolt | Super Duplex Stainless Steel S32760 Hex Bolt Suppliers in Mumbai |
| Super Duplex Steel S32760 Heavy Hex Bolts Manufacturer in India | Best Super Duplex Stainless Steel S32760 Hex Bolts |
| UNS S32760 Hex Bolt | Super Duplex Stainless Steel S32760 Heavy Hex Bolt Manufacturer in Mumbai |
| Super Duplex Steel S32760 Hex Bolt Supplier in India | Super Duplex Steel UNS S32760 Hex Bolt Price List |
| Super Duplex Steel S32760 Hex Bolt Supplier in Mumbai | S32760 Super Duplex Steel Hex Bolt Manufacturer |
| SDSS UNS S32760 Hex Bolts Suppliers in India | Super Duplex Steel S32760 Hex Bolts Manufacturer in India |
| ASTM A479 S32760 Super Duplex Stainless Steel Hex Bolt | Super Duplex Stainless Steel UNS S32760 Hex Bolt |
Super Duplex Stainless Steel S32760 Hex Bolts
Application Industries
FAQ
Subsea pipeline flanges, wellhead assemblies, and platform structural joints account for most S32760 hex bolt demand, alongside acid storage tanks and scrubbers in chemical processing.
Chloride and sour-service resistance stop the pitting and cracking that seize standard stainless bolts during turnarounds. Notch ductility down to minus 50°C also cuts bolt failures after cold startups.
Apply a nickel or molybdenum-based anti-galling compound before assembly, since duplex threads gall more easily than austenitic stainless. Torque to the fastener manufacturer's specification, and never pair S32760 with carbon steel nuts or washers to avoid galvanic corrosion.
Match bolt diameter and length to the flange's pressure class under ASME B16.5, then check the working load against the 550 MPa minimum yield from ASTM A479.
