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Super Duplex Steel S32750 Screw

Name: Super Duplex Steel S32750 Screw
Brand: Skyland Metal & Alloys Inc.
Price: 500.0 INR
Availability: InStock

Price 500.0 INR/ Kilograms

Get a Price/Quote

MOQ : 1 Kilograms

Super Duplex Steel S32750 Screw Specification

Hardness
Max 32 HRC

Material Composition %
Cr 24-26, Ni 6-8, Mo 3-5, N 0.24-0.32, Fe balance

Coating Type
None (Natural Finish)

Product Form
Threaded Screw

Width
Customized as per requirement

Size
Customized/Standard Sizes

Recyclable
Yes

Chemical Composition
Cr 24-26%, Mo 3-5%, Ni 6-8%, N 0.24-0.32%, Fe balance

Temper
Solution Annealed

Corrosion Resistant
Excellent, especially to chloride stress corrosion

Diameter
M3 to M24 or custom

Heat Resistance
Yes

Tensile Strength
Minimum 800 MPa

Product Name
Super Duplex Steel S32750 Screw

Steel Type
Super Duplex Stainless Steel

Steel Product Type
Screw / Fastener

Grade
S32750 (UNS S32750)

Thickness
As per diameter specification

Shape
Hex Head, Threaded Shaft

Steel Standard
ASTM A479, ASTM A182, ASTM A276

Surface
Polished, Cleaned

Composition
Ferritic-Austenitic Stainless Steel

Application
Marine, Offshore, Chemical Processing, Oil & Gas, Petrochemical, Structural Fastening

Dimension (L*W*H)
Available in various standard/custom sizes

Weight
Varies depending on size and length

Color
Metallic Silver

Material Grade
S32750

Finish Type
Bright/Polished

Usage
Used in highly corrosive environments for fastening applications

Magnetism
Non-magnetic/Low magnetic permeability

Head Type
Hex Flange

Thread Type
Metric, ISO, Custom available

Operating Temperature
-50C to +250C

Standards Compliance
ASTM, DIN, ISO

Drive Type
Hex Head

Package Type
Box / Carton / As requested

Min Order Quantity
100 Pieces

Oxidation Resistance
Excellent

Yield Strength
550 MPa

Customization
Available (dimensions & coating)

Super Duplex Steel S32750 Screw Trade Information

Minimum Order Quantity
1 Kilograms

Delivery Time
7 Days

Super Duplex Steel S32750 Screw About

Super Duplex Steel S32750 is an austenitic-ferritic stainless steel alloy with a high chromium, molybdenum, nickel, and nitrogen content. It contains about 25% chromium, 7% nickel, 3.6% molybdenum, nitrogen, and smaller amounts of other elements such as manganese, silicon, and iron. The high chromium and molybdenum content provide excellent resistance to pitting and crevice corrosion, while the nickel content enhances resistance to general corrosion. The high nitrogen content contributes to the alloy's mechanical properties and high strength.

Exceptional Corrosion and Heat Resistance

Super Duplex Steel S32750 Screws are distinguished by their robust resistance to corrosion, particularly in chloride-laden environments. These fasteners excel in marine, offshore, and chemical processing industries due to their high chromium, molybdenum, and nitrogen content. Designed for continuous exposure up to 300C, their solution-annealed structure guarantees both excellent strength and longevity. Featuring a polished natural finish, they are optimized for durability and longevity in aggressive operational settings.

Customizable and Reliable Fastening Solutions

Tailored to diverse industry requirements, these screws come with Metric, UNC, and customized thread options, and variable diameters from M3 to M24 or as specified. The hex flange head paired with a hex socket drive allows for efficient torque application and robust fastening. With sizes, widths, and packaging customizable to project needs, manufacturers, suppliers, and traders can rely on prompt delivery, either from ready stock or within 7-15 days for specialized requests.

FAQ's of Super Duplex Steel S32750 Screw:

Q: How are Super Duplex Steel S32750 Screws applied in corrosive environments?

A: These screws are ideally used in marine, offshore, petrochemical, and structural applications due to their exceptional resistance to chloride-induced and general corrosion. Their robust ferritic-austenitic composition safeguards against pitting, crevice corrosion, and stress corrosion cracking, making them highly suitable for aggressive and salt-laden atmospheres.

Q: What are the available thread types and head configurations for these screws?

A: Super Duplex Steel S32750 Screws are offered with Metric, UNC, or fully customized thread types to meet precise project requirements. The screws feature a hex flange head and are operated using a hexagon socket drive style, delivering secure and efficient fastening.

Q: When can I expect delivery for custom-sized screws?

A: For standard dimensions, screws are available from ready stock for immediate dispatch. For customized sizes, the lead time generally ranges between 7 to 15 days, ensuring quick fulfillment for bespoke project demands.

Q: What certifications and testing standards do these screws meet?

A: S32750 screws comply with ASTM A479, ASTM A182, and ASTM A276 steel standards. ISO certification is available on request, and they have passed the salt spray test as per ISO 9227, highlighting their superior corrosion resistance.

Q: How is the quality and durability of the screws ensured during production?

A: Each screw undergoes solution annealing to optimize strength and corrosion resistance, followed by thorough cleaning and polishing for a bright, defect-free finish. Rigorous testing ensures conformance to dimensional, mechanical, and metallurgical specifications, including a minimum tensile strength of 800 MPa and maximum hardness of 32 HRC.

Q: What are the main benefits of using Super Duplex Steel S32750 Screws?

A: Key advantages include excellent corrosion and heat resistance, high mechanical strength, availability in customized specifications, and suitability for use in harsh and highly corrosive environments. Their durability reduces maintenance needs, and their recyclability supports sustainable practices.

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