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Duplex Steel S32205 Stud Bolts

Name: Duplex Steel S32205 Stud Bolts
Brand: Skyland Metal & Alloys Inc.
Price: 100.0 INR
Availability: InStock

Price 100.0 INR/ Piece

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MOQ : 1 Piece

Duplex Steel S32205 Stud Bolts Specification

Chemical Composition
Cr 21-23%, Ni 4.5-6.5%, Mo 2.5-3.5%, N 0.08-0.2%, Mn 2%, Si 1%, C 0.03%, P 0.03%, S 0.02%, Fe balance

Corrosion Resistant
Excellent, especially to chloride stress corrosion and pitting

Product Form
Stud Bolt (Full Threaded Rod)

Recyclable
Yes

Tensile Strength
620 MPa min (UTS), 450 MPa min (0.2% YS)

Width
Custom / As per requirement

Temper
Solution Annealed

Coating Type
Optional: PTFE / Zinc / Hot Dip Galvanized as per order, generally uncoated

Heat Resistance
Yes

Material Composition %
Cr 22%, Ni 5.5%, Mo 3%, N 0.17% (approx., standard analysis)

Diameter
M6 to M64 & Custom (as required)

Hardness
290 HB max

Size
Standard and Custom Sizes

Product Name
Duplex Steel S32205 Stud Bolts

Steel Type
Duplex Stainless Steel

Steel Product Type
Fastener (Stud Bolt)

Grade
Duplex S32205 (UNS S32205/2205)

Thickness
NA (Refers to diameter - see diameter specification)

Shape
Cylindrical, Threaded Rod

Steel Standard
ASTM A182 / ASTM A276 / ASTM A479 / ASME SA182 / ASME SA276 / ASME SA479

Surface
Bright, Self-Colored, Passivated

Composition
Duplex Stainless Steel

Application
Oil & Gas Industry, Petrochemical, Chemical Processing, Marine, Power Generation, Desalination, Pulp & Paper, Construction

Dimension (L*W*H)
As per drawing/specification/customer requirement

Weight
Varies as per size and length

Color
Metallic Silver / Natural Finish

Material Grade
S32205 / 2205

Finish Type
Passivated / Pickled / Bright

Usage
Connecting flanges, pipes, mechanical structures under corrosive environments

Minimum Order Quantity
As per agreement / supplier policy

Resistance to Chloride Stress Corrosion Cracking
Superior due to Duplex structure

Magnetic Property
Slightly magnetic due to ferrite content

Head Type
Headless (Double End / Full Threaded)

End Type
Chamfered / Flat

Thread Type
Metric, UNC, UNF, BSW, BSF, or as per client specification

Ease of Machining
Medium (Requires specialized tools due to high strength)

Thread Length
Full Length or Partial as required

Duplex Steel S32205 Stud Bolts Trade Information

Minimum Order Quantity
1 Piece

Delivery Time
7 Days

About Duplex Steel S32205 Stud Bolts

Duplex Steel S32205 stud bolts are high-strength fasteners made of a dual-phase stainless steel. These bolts have roughly equal proportions of austenitic and ferritic steel properties. The S32205 grade is nitrogen alloyed to improve its corrosion resistance, especially to pitting and crevice corrosion. These stud bolts are used where the high strength or stress corrosion cracking resistance of standard stainless steel, e.g., 316, is not sufficient. They are characterised by high yield strength (usually twice the values of standard grades of austenitic steels) and good fatigue strength because of their chemical composition. These will be found mainly in applications involving chlorides or high-pressure chemical processing.

Optimized for Harsh Environments

Duplex Steel S32205 Stud Bolts are designed to thrive in extreme environments found in oil & gas, marine, and chemical industries. With superior corrosion resistance and high tensile strength, they ensure reliable, long-term performance even in the presence of chlorides. Their duplex microstructure grants a unique blend of toughness and stress-corrosion crack resistance.

Customizable Dimensions and Threading

Every project is unique, so Duplex Steel S32205 Stud Bolts are offered in standard and custom sizes, with thread types including Metric, UNC, UNF, BSW, and BSF. Thread length, diameter, and width are fully customizable according to drawings or user requirements, ensuring perfect fit for any application.

Material Excellence and Versatile Finish Options

Manufactured according to stringent standards (ASTM/ASME), these stud bolts hold rigorous chemical specifications for high strength and corrosion resistance. Finishes include passivated, bright, or pickled, with optional PTFE, zinc, or hot-dip galvanizing for enhanced protection. The solution annealed temper delivers optimal mechanical properties and longevity.

FAQ's of Duplex Steel S32205 Stud Bolts:

Q: How are Duplex Steel S32205 Stud Bolts manufactured to meet specific client requirements?

A: Stud Bolts are manufactured to customer specifications by selecting required thread type, diameter, length, and end type. The manufacturing process adheres to international standards (such as ASTM/ASME), with advanced heat treatment and surface finishing techniques, ensuring performance in demanding applications.

Q: What environments are best suited for using Duplex Steel S32205 Stud Bolts?

A: These bolts excel in corrosive settings such as oil & gas extraction, petrochemical plants, marine environments, chemical processing facilities, desalination units, and power generation. Their resistance to chloride stress corrosion and high mechanical strength make them ideal for these uses.

Q: When should I choose Duplex S32205 stud bolts over other stainless steel grades?

A: Choose Duplex S32205 bolts when you require a fastener with superior corrosion resistance-especially to chlorides-and high strength, such as in offshore, chemical, or seawater-exposed systems, where ordinary stainless steels might fail due to stress corrosion or pitting.

Q: What is the benefit of the duplex microstructure in these stud bolts?

A: The duplex microstructure, comprising of both austenite and ferrite phases, delivers an optimal balance of strength and corrosion resistance. This structure imparts remarkable resistance to cracking and crevice corrosion compared to conventional stainless steels.

Q: How do I specify the thread and end types for my application?

A: You can choose from multiple thread types-Metric, UNC, UNF, BSW, BSF-or specify custom threads according to application requirements. End types (chamfered or flat) and headless configurations (double end or full threaded) can also be customized as needed.

Q: What finishing options are available for Duplex Steel S32205 Stud Bolts?

A: Standard finishes include passivated, pickled, and bright. For enhanced surface protection, optional coatings like PTFE, zinc, and hot-dip galvanizing are also available as per order requirements.

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