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Duplex Steel 2205 Nuts

Name: Duplex Steel 2205 Nuts
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 2205 Nuts Specification

Temper
Annealed

Size
Available in Metric and Inch sizes

Material Composition %
Cr 22%, Ni 5-6%, Mo 3%, N 0.14%, balance Fe

Recyclable
Yes

Hardness
293 HB max

Width
Customizable as per requirements

Heat Resistance
Yes

Tensile Strength
620 MPa min

Diameter
M6 to M64 or as required

Corrosion Resistant
Excellent resistance to pitting, crevice, and general corrosion

Chemical Composition
22% Chromium, 5-6% Nickel, 3% Molybdenum, balance Iron with trace amounts of Manganese, Silicon, and Nitrogen

Product Form
Hex Nut

Coating Type
Uncoated/Plain or Passivated

Product Name
Duplex Steel 2205 Nuts

Steel Type
Duplex Stainless Steel

Steel Product Type
Nuts (Fasteners)

Grade
2205

Thickness
Depends on nut size (typically 5mm - 50mm)

Shape
Hexagonal

Steel Standard
ASTM A479 / UNS S31803/S32205

Surface
Pickled, Passivated, or Plain

Composition
Chromium, Nickel, Molybdenum, Nitrogen, Iron

Application
Petrochemical, Marine, Chemical, Oil and Gas, Power Generation, Construction

Dimension (L*W*H)
As per DIN/ASME/ISO standards, customizable

Weight
Varies by size, generally lightweight

Color
Metallic Silver

Material Grade
Duplex 2205

Finish Type
Bright/Matte

Usage
Securing Bolted Connections in High Corrosive Environments

Workability
Good machinability and weldability

Standards Compliance
DIN 934, ISO 4032, ASTM F594

Salt Spray Test
Passed

Elongation
25% min

Magnetic Properties
Slightly magnetic due to duplex structure

Resistance to Stress Corrosion Cracking
High

Yield Strength
450 MPa min

Thread Type
Metric/UNC/UNF as per application

Testing Certification
3.1 MTC (Material Test Certificate) provided

Packaging
Packed in corrugated cartons or wooden cases

Density
7.8 g/cm3

Duplex Steel 2205 Nuts Trade Information

Minimum Order Quantity
1 Piece

Delivery Time
100 Days

Duplex Steel 2205 Nuts About

Duplex steel 2205 nuts are used in many industrial applications as some of the nuts most important features include their mechanical properties and corrosion resistance. The combination of austenite and ferrite phases, the 2205 duplex stainless steel nuts have a combination of strength and toughness

Exceptional Corrosion Resistance

Duplex Steel 2205 Nuts provide excellent protection against pitting, crevice, and general corrosion, making them ideal for harsh and chloride-rich environments. With a passivated or plain finish, they withstand continuous exposure to seawater, chemicals, and industrial atmospheres, ensuring longevity and reduced maintenance.

Robust Mechanical Properties

These nuts combine a yield strength of at least 450 MPa with a high tensile strength and an elongation minimum of 25%, ensuring secure and reliable bolted joints. The slightly magnetic duplex structure improves durability and offers enhanced resistance to stress corrosion cracking, particularly in high-pressure and high-temperature applications.

Versatility Across Industries

Duplex Steel 2205 Nuts are engineered for compatibility with metric and inch sizes, supporting fastener requirements in petrochemical, construction, marine, power generation, and chemical industries. Customizable width and dimension options as per DIN, ASME, or ISO standards allow for broad adaptability and usage.

FAQ's of Duplex Steel 2205 Nuts:

Q: How are Duplex Steel 2205 Nuts beneficial in high-corrosive environments?

A: Their excellent resistance to pitting, crevice, and general corrosion, combined with high resistance to stress corrosion cracking, makes Duplex Steel 2205 Nuts an ideal choice for use in petrochemical, marine, and chemical plants where harsh or chloride-rich atmospheres are present.

Q: What thread types are offered for these nuts, and how do I select the right one?

A: Duplex Steel 2205 Nuts are available in Metric, UNC, and UNF threads. Select thread type based on your application standards or match them with existing bolts and assembly requirements to ensure proper fit and performance.

Q: When should I consider using Duplex 2205 grade nuts over other stainless steel fasteners?

A: Consider Duplex 2205 nuts when your application demands a combination of higher mechanical strength and superior corrosion resistance, especially where exposure to saltwater or aggressive chemicals is expected, or where extended durability is crucial.

Q: Where are these nuts commonly utilized?

A: They are widely used in sectors such as petrochemical processing, marine and offshore structures, oil and gas, power generation, and construction projects-essentially anywhere secure, corrosion-resistant fastening is paramount.

Q: What certifications and testing processes are these nuts subjected to?

A: Each batch of Duplex Steel 2205 Nuts is accompanied by a 3.1 Material Test Certificate (MTC), confirming compliance with required standards. They also pass salt spray testing for corrosion resistance, ensuring they meet industry benchmarks for quality and durability.

Q: How does the manufacturing process guarantee quality and consistency?

A: These nuts are fabricated to international standards (DIN 934, ISO 4032, ASTM F594) using annealed duplex stainless steel, followed by precision machining and surface treatments like pickling and passivation. Rigorous inspections and certifications ensure every nut maintains material integrity and dimensional accuracy.

Q: What are the usage guidelines and benefits of these nuts during installation?

A: Duplex Steel 2205 Nuts offer good machinability and weldability, making installation straightforward. Their hexagonal shape allows efficient torque application, while their mechanical properties ensure a secure, long-lasting connection, reducing the risk of loosening or failure even in demanding scenarios.

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