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Super Duplex Steel S32760 Bolts

Price 100.0 INR/ Kilograms

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MOQ : 1 Piece

Super Duplex Steel S32760 Bolts Specification

Heat Resistance
Yes

Width
Customizable as per requirement

Hardness
28 HRC

Corrosion Resistant
Yes, Excellent against pitting, crevice and chloride stress corrosion

Product Form
Hex Bolt

Tensile Strength
800 MPa (Ultimate)

Recyclable
Yes

Coating Type
Uncoated / Self-finish or upon request

Temper
Solution Annealed

Material Composition %
Cr 24-26%, Ni 6-8%, Mo 3-4%, W 0.5-1%, N 0.2-0.3%, C 0.03%, Mn 1%, Si 1%

Diameter
M6 to M64 or custom

Chemical Composition
UNS S32760: Cr 24-26%, Ni 6-8%, Mo 3-4%, W 0.5-1%, N 0.2-0.3%, C 0.03%, Mn 1%, Si 1%

Size
M6 to M64 or custom lengths

Product Name
Super Duplex Steel S32760 Bolts

Steel Type
Super Duplex Stainless Steel

Steel Product Type
Bolts & Fasteners

Grade
UNS S32760 / F55

Thickness
Depends on diameter, generally from 6mm up

Shape
Hexagonal Bolt

Steel Standard
ASTM A479, ASTM A276

Surface
Bright / Pickled / Passivated

Composition
Duplex microstructure (austenite/ferrite)

Application
Oil & Gas, Petrochemical, Chemical Processing, Marine, Power Generation

Dimension (L*W*H)
Customization available (e.g. M6-M64, Lengths up to 200mm or as required)

Weight
Varies with dimension and size

Color
Silver Metallic

Material Grade
S32760

Finish Type
Smooth, Machined

Usage
For high-strength and corrosion-resistant fastening applications

Maximum Operating Temperature
~300C

Impact Toughness
54 J at -46C

Yield Strength
550 MPa

Elongation
25% (in 50mm)

Heat Treatment
Solution Annealed

Threads Per Inch
As specified by customer or standard

Availability
Stock sizes and made-to-order

Thread Type
Metric, UNC, UNF, as per requirement

Density
7.8 g/cm3

Minimum Service Temperature
-50C

Standards/Norms
EN 1.4501, DIN, ASTM

Salt Spray Resistance
Excellent, suitable for marine and chloride environments

Magnetic Properties
Slightly magnetic due to ferrite content

Super Duplex Steel S32760 Bolts Trade Information

Minimum Order Quantity
1 Piece

Delivery Time
7 Days

Super Duplex Steel S32760 Bolts About

Super Duplex Steel S32760 Bolts is a high tensile fastener, consisting of both the austenitic and ferritic phases in proportion. SD Steel S32760 Bolts are essential to structural elements and reliability, providing stable service under high-stress conditions with chemical resistance.

Exceptional Corrosion Resistance in Harsh Environments

Super Duplex Steel S32760 Bolts are engineered to withstand extreme conditions, offering excellent resistance to pitting, crevice, and chloride-induced stress corrosion. Their suitability for marine, offshore, and aggressive chemical environments ensures longevity and reliability in demanding applications, attributed to their high chromium, nickel, and molybdenum content.

Superior Mechanical Strength and Toughness

With a yield strength of 550 MPa and an ultimate tensile strength of 800 MPa, these bolts combine mechanical robustness with impact toughness (54 J at -46C). Their duplex microstructure ensures both high load-bearing capacity and resistance to deformation, making them indispensable in high-stress assemblies across industries.

Customizable Solutions for Diverse Applications

Available in metric, UNC, and UNF thread types, S32760 bolts can be tailored to customer specifications for diameter, length, and threading. Custom machining, various surface finishes, and specific heat treatment processes ensure the right fit and performance in oil & gas, petrochemical, marine, and power generation sectors.

FAQ's of Super Duplex Steel S32760 Bolts:

Q: What standards and grades do Super Duplex Steel S32760 Bolts conform to?

A: Super Duplex Steel S32760 Bolts are manufactured as per EN 1.4501, ASTM A479, ASTM A276, and DIN standards. The bolts are made from UNS S32760 / F55 grade, ensuring compliance with global industrial norms.

Q: How are Super Duplex Steel S32760 Bolts typically used in marine or chemical environments?

A: These bolts are preferred for their excellent corrosion and salt spray resistance, making them ideal for use in marine structures, offshore oil rigs, chemical processing plants, and other environments exposed to chloride and aggressive substances.

Q: When is solution annealing applied to Super Duplex Steel S32760 Bolts, and what benefits does it provide?

A: Solution annealing is applied during the manufacturing process to enhance the toughness and corrosion resistance of the alloy. This heat treatment ensures a uniform duplex microstructure, optimizing mechanical properties and extending the bolt's service life.

Q: What customization options are available for these bolts regarding size, thread, and finish?

A: Customers can specify dimensions (M6-M64 or custom), thread type (Metric, UNC, UNF), thread per inch, and surface finish (bright, pickled, or passivated). Lengths up to 200mm or as required can be provided to suit unique project requirements.

Q: Where are Super Duplex Steel S32760 Bolts predominantly applied?

A: These bolts are widely used in oil & gas extraction, petrochemical equipment, marine engineering, power generation, and chemical processing due to their high strength and resistance to aggressive environments.

Q: How do the mechanical properties of S32760 bolts ensure dependable performance?

A: With a yield strength of 550 MPa, tensile strength up to 800 MPa, 25% elongation, and high impact toughness even at -46C, these bolts reliably sustain mechanical loads and provide secure fastening in critical applications.

Q: What are the key benefits of choosing S32760 bolts over standard stainless steel fasteners?

A: S32760 bolts offer superior corrosion resistance, high strength, excellent impact resistance at low temperatures, and a longer service life in aggressive or saline environments compared to standard stainless steel options.

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