Super Duplex Steel Ferralium 255 Stud Bolts

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Super Duplex Steel Ferralium 255 Stud Bolts

Price 100.0 INR/ Piece

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MOQ : 1 Kilograms

Super Duplex Steel Ferralium 255 Stud Bolts Specification

Width
Custom, as per requirement

Product Form
Stud bolt (partially threaded rod)

Recyclable
Yes

Chemical Composition
Cr 24-26%, Mo 3.0-4.0%, Ni 4.5-6.5%, Cu 1.5-2.0%, N 0.20-0.30%, remainder Fe

Corrosion Resistant
Excellent resistance to chloride pitting and crevice corrosion

Temper
Annealed

Size
Standard and custom sizes

Hardness
Approx 290-310 HB (Brinell)

Material Composition %
Cr 25%, Mo 3.5%, Ni 5.5%, Cu 1.7%, N 0.25%, Fe balance

Coating Type
Optional: Natural, passivated, PTFE or zinc plated

Diameter
M6 to M100 or as per order

Tensile Strength
Minimum 800 MPa

Heat Resistance
Yes

Product Name
Super Duplex Steel Ferralium 255 Stud Bolts

Steel Type
Super Duplex Stainless Steel

Steel Product Type
Stud Bolt

Grade
Ferralium 255 (UNS S32550)

Thickness
Nominal bolt diameter, varies by size

Shape
Threaded Rod

Steel Standard
ASTM A276, ASTM A479, ASTM A182

Surface
Bright, passivated or as required

Composition
Dual phase (Austenitic-Ferritic) stainless steel

Application
Petrochemical, power, offshore, oil & gas, marine, chemical and industrial

Dimension (L*W*H)
As per DIN/ASME/ISO standards or to specification

Weight
Dependent on size, typically lightweight relative to strength

Color
Silver metallic

Material Grade
Ferralium 255

Finish Type
Bright, clean, and passivated

Usage
Secure flanged joints, pressure vessels, piping systems

Thread Type
Metric/UNC/UNF as per requirement

Thread Pitch
As specified by customer

Fatigue Resistance
Superior to Standard Stainless

Magnetic Properties
Partially Magnetic

Density
~7.8 g/cm3

Standard Length Range
M6 to M100 and 1/4" to 2.5" (custom lengths available)

Super Duplex Steel Ferralium 255 Stud Bolts Trade Information

Minimum Order Quantity
1 Kilograms

Delivery Time
7 Days

Super Duplex Steel Ferralium 255 Stud Bolts About

Super Duplex Steel Ferralium 255 Stud Bolts are marvels of modern engineering, known for their exceptional strength and remarkable corrosion resistance. The secret behind these much sought-after fasteners lies in their unique chemical composition. Primarily composed of iron, chromium, and nickel, Ferralium 255 boasts an impressive blend of materials that work harmoniously, resulting in the most robust and reliable bolts. Adding elements like molybdenum, copper, and nitrogen further enhances its exceptional durability and corrosion resistance, making it suitable for the most demanding and aggressive environments. Practical applications range from offshore oil and gas facilities to chemical processing plants, as these bolts readily embrace the most punishing circumstances without faltering.

Outstanding Mechanical Properties

Ferralium 255 stud bolts provide a minimum yield strength of 570 MPa and tensile strength of at least 800 MPa, ensuring reliable performance in high-stress environments. Their dual-phase structure imparts a unique blend of toughness and hardness, with an elongation of at least 15%, making them suitable for dynamic load applications.

Superior Corrosion and Heat Resistance

Designed for aggressive environments, these stud bolts offer robust resistance to stress corrosion, general corrosion, and erosion, especially in chloride-rich or marine conditions. Their excellent thermal stability allows them to operate safely up to 570C (1058F), making them a preferred choice for harsh process industries.

Versatile Industrial Applications

Super Duplex Steel Ferralium 255 Stud Bolts are extensively used in sectors such as petrochemical, power generation, offshore platforms, marine engineering, chemical industries, and pressure vessel construction. Their high strength-to-weight ratio and adaptability to custom sizes support critical connections in engineered systems.

FAQ's of Super Duplex Steel Ferralium 255 Stud Bolts:

Q: How do Super Duplex Steel Ferralium 255 Stud Bolts benefit demanding industrial environments?

A: These stud bolts offer exceptional mechanical strength, high corrosion resistance, and excellent heat stability, making them ideal for harsh conditions common in industries like oil & gas, offshore, marine, and petrochemical processing.

Q: What is the process for ordering Ferralium 255 stud bolts in custom sizes or finishes?

A: Simply provide your specific dimensions, thread types (ISO/UNC/UNF), and coating preferences. Manufacturers and suppliers can produce these bolts as per order requirements, with lead times ranging from 2 to 6 weeks depending on quantity and specifications.

Q: Where are Ferralium 255 stud bolts typically used?

A: These stud bolts are used to secure flanged joints, pressure vessels, and piping systems in petrochemical plants, power stations, offshore platforms, marine applications, and chemical industries where strength and corrosion resistance are vital.

Q: When should Super Duplex Ferralium 255 be selected over conventional stainless steel bolts?

A: Choose Ferralium 255 stud bolts when your project demands higher mechanical strength, superior chloride corrosion resistance, or operates in environments prone to stress corrosion and erosion, especially at elevated temperatures up to 570C.

Q: What are the magnetic properties of Ferralium 255 stud bolts, and why?

A: Due to their ferritic content, Ferralium 255 studs exhibit moderate magnetic properties, unlike fully austenitic stainless steels. This can be advantageous or negligible depending on the application's requirements.

Q: How are these stud bolts manufactured to meet quality standards?

A: Super Duplex Steel Ferralium 255 Stud Bolts are produced to DIN, ASME, ISO, and ASTM standards (A276, A479, A182), ensuring consistent material properties, precise dimensions, and adherence to stringent industry benchmarks.

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