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Super Duplex Steel 2507 Screw

Name: Super Duplex Steel 2507 Screw
Brand: Skyland Metal & Alloys Inc.
Price: 100.0 INR
Availability: InStock

Price 100.0 INR/ Kilograms

Get a Price/Quote

MOQ : 1 Kilograms

Super Duplex Steel 2507 Screw Specification

Temper
Annealed/Cold Worked

Material Composition %
Super Duplex 2507: Cr 24-26%, Ni 6-8%, Mo 3-5%, N 0.24-0.32%, others

Size
Custom sizes as per requirement

Diameter
Typically M3-M12 or 1/8-1/2

Corrosion Resistant
Yes, high resistance to pitting & crevice corrosion

Width
Typically 3mm to 12mm (customizable as per requirement)

Product Form
Screw (threaded fastener)

Coating Type
Uncoated; Passivated

Tensile Strength
Min 800 MPa (varies with size/condition)

Hardness
Max 32 HRC

Heat Resistance
Yes

Recyclable
Yes

Chemical Composition
Cr 24-26%, Ni 6-8%, Mo 3-5%, N 0.24-0.32%, C 0.03%, Mn 1.2%, Si 0.8%, P 0.035%, S 0.02%, Fe Balance

Product Name
Super Duplex Steel 2507 Screw

Steel Type
Super Duplex Stainless Steel

Steel Product Type
Screw

Grade
UNS S32750 / 2507

Thickness
Body diameter 3mm-12mm

Shape
Cylindrical, Threaded

Steel Standard
ASTM A479 / A182 / ASME SA276 / EN 1.4410

Surface
Bright, Smooth, Passivated finish

Composition
Dual-phase ferritic-austenitic microstructure

Application
Marine, offshore, chemical processing, pulp & paper, power generation, structural fastening

Dimension (L*W*H)
Standard: Length 10mm-100mm x Diameter 3mm-12mm (custom sizes available)

Weight
Depends on size; Approx. 2g - 50g for standard screw sizes

Color
Silver/Metallic

Material Grade
2507

Finish Type
Polished / Passivated

Usage
Structural fastening in harsh environments

Working Temperature Range
-50C to +300C

Lead Time
2-4 weeks on order

Salt Spray Test Hours
>1000 hours, no red rust

Thread Type
Metric / Imperial, Fully Threaded

Non-Sparking
Yes

RoHS Compliant
Yes

Magnetism
Low magnetic permeability

Standards Compliance
ANSI, DIN, ISO possible

Density
7.8 g/cm3

Fatigue Strength
High, suitable for cyclic loads

Head Type
Phillips Flat Head (Cross Recessed)

Super Duplex Steel 2507 Screw Trade Information

Minimum Order Quantity
1 Kilograms

Delivery Time
7 Days

Super Duplex Steel 2507 Screw About

Super Duplex Steel 2507 is duplex stainless steel with a high level of chromium, nickel, and molybdenum. The exact chemical composition of Super Duplex Steel 2507 Screws may vary slightly depending on the manufacturer,Duplex Steel 2507 gives it excellent resistance to corrosion and pitting, making it suitable for use in harsh environments where corrosion resistance is essential. The high strength and toughness of 2507 Super Duplex Steel Screws also make them ideal for use in high-stress applications, making them a popular choice for various industries and applications.

High-Performance Material

Engineered with Super Duplex 2507 stainless steel, these screws provide a unique combination of superior corrosion resistance, mechanical strength, and thermal stability. Their dual-phase ferritic-austenitic microstructure ensures they can withstand harsh conditions in marine, chemical processing, and offshore structures, while remaining slightly magnetic due to their duplex structure.

Customizable Fastening Solutions

Super Duplex Steel 2507 Screws are available in a wide array of dimensions and threading options, including metric, UNC, and UNF. Customers may customize length, diameter, head type, finish, and threading to suit specific project requirements. Surface options include bright, polished, or passivated finishes for enhanced durability and aesthetics.

Reliable in Extreme Environments

These screws offer high resistance to pitting, crevice corrosion, and UV degradation, making them suitable for use in aggressive and outdoor environments. The passivated, uncoated surface, and excellent heat resistance up to 300C guarantee longevity and dependable performance even in the toughest conditions.

FAQ's of Super Duplex Steel 2507 Screw:

Q: How do Super Duplex Steel 2507 Screws benefit applications in marine and chemical environments?

A: These screws are engineered for high corrosion and pitting resistance, making them ideal for use in marine, offshore, and chemical processing applications. The 2507 grade provides long-term durability against harsh elements, ensuring longevity and safety where standard fasteners may fail.

Q: What customizable features are available for Super Duplex Steel 2507 Screws?

A: Customers can request custom lengths, diameters, head types (including Phillips cross recessed flat heads), threading (metric, UNC, or UNF), and finishing types such as polished or passivated. Thread type and temper can also be tailored to specific requirements, matching a broad range of fastening needs.

Q: When should I choose Super Duplex Steel 2507 Screws over standard fasteners?

A: These screws are best chosen for structural fastening in environments with strong exposure to corrosive agents, high mechanical stress, or UV radiation. Their superior yield (550 MPa min) and tensile strength (800 MPa min), along with exceptional corrosion and UV resistance, make them preferable over standard fasteners for demanding applications.

Q: Where are Super Duplex Steel 2507 Screws most commonly used?

A: Super Duplex 2507 screws are widely used across marine, offshore, chemical processing, pulp & paper, power generation, and heavy structural fastening sectors, particularly where high strength and resistance to environmental attack are required.

Q: What is the process for manufacturing these screws to ensure high quality?

A: Manufacturing involves cold or annealed working of Super Duplex 2507 stainless steel, precision threading, and head forming. The screws then undergo passivation to enhance surface corrosion resistance, followed by rigorous quality checks to meet ASTM, ASME, and EN standards.

Q: How does the passivated finish improve the function of these screws?

A: Passivation enhances the natural corrosion resistance of the super duplex steel by removing surface iron and forming a protective oxide layer, ensuring superior longevity, even in aggressive or saline environments.

Q: What makes these screws UV resistant and suitable for outdoor use?

A: Super Duplex Steel 2507 maintains its mechanical integrity and surface finish under prolonged ultraviolet exposure. The alloy's high resistance to environmental degradation prevents embrittlement, color fading, or loss of strength when exposed to sunlight for extended periods.

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