Duplex Steel UNS S32205 Hex Nut For High Strength Petrochemical And Offshore

Name: "Duplex Steel UNS S32205 Hex Nut For High Strength Petrochemical And Offshore"
Rating: 5 (143 reviews)

SKU: 3673921290

الطراز: hex nut ,coupling nut, weld nut, flange nut, nylon nut. heavy nut,Jam nut, castle nut, slot nut, self-locking nut

UHC fastener and hardware

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Duplex Steel UNS S32205 Hex Nut for High-Strength and Corrosion Resistance

Our duplex steel hex nuts, made of UNS S32205, combine high mechanical strength with excellent resistance to stress corrosion cracking. Designed for petrochemical, offshore, and marine applications, they are available in M2 to M64 sizes and comply with ISO, DIN, ASTM, and JIS standards. These nuts provide reliable performance in demanding acid and chloride environments.

Key Features

High tensile strength: Duplex structure offers approximately twice the yield strength of standard austenitic stainless steels.
Superior corrosion resistance: Resistant to chloride stress corrosion cracking, ideal for offshore and petrochemical environments.
Excellent fatigue resistance: Withstands cyclic loading, suitable for dynamic applications.
Compliance with international standards: Meets ISO, DIN, ASTM, ASME, ANSI, JIS.
Customizable surface treatments: Natural, passivation, Dacromet, or adhesive pre-coating.

Technical Specifications

Dimensions	M2 – M64
Strength Grades	D6-80, D6-100
Thread Tolerance	6H / 2B / 3B
Raw Materials	UNS S32205 duplex steel, also available 304/316, nickel alloys
Surface Treatments	Natural, passivation, Dacromet, adhesive pre-coating
Standards	ISO, DIN, ASTM, ASME, ANSI, JIS

Models and Options

Types: hex nut, coupling nut, weld nut, flange nut, nylon nut, heavy nut, jam nut, castle nut, slot nut, self-locking nut.

Custom dimensions available.

Materials and Structure

Duplex steel UNS S32205 has a mixed microstructure of austenite and ferrite, providing high strength and excellent resistance to chloride stress corrosion cracking. This material is ideal for critical service in corrosive and high-pressure environments.

Applications

Petrochemical processing, offshore platforms, subsea equipment, desalination plants, and chemical tankers. Also suitable for power generation and pulp & paper industries.

Customization

We offer flexible customization for sizes, thread tolerances, and surface finishes. Our OEM service includes custom packaging and bar coding.

Case Study

Our duplex steel nuts have been used in power generation facilities for over 10 years, demonstrating stable performance and reduced maintenance costs in corrosive environments.

FAQ

What is the meaning of UNS S32205?

UNS S32205 is a grade of duplex stainless steel with a balanced structure of austenite and ferrite, providing high strength and corrosion resistance.

What strength grades are available?

We offer D6-80 and D6-100 strength grades for duplex steel nuts.

Are these nuts suitable for subsea applications?

Yes, duplex steel is widely used in subsea and offshore applications due to its resistance to chloride stress corrosion cracking.

Can you provide custom sizes?

Yes, we can manufacture sizes outside the standard range depending on your requirements.

What surface treatments do you offer?

Natural finish, passivation, Dacromet, and adhesive pre-coating are available.

Do you have certifications?

We hold ISO 9001, ISO 14001, ISO 45001, and PED certification.

What is the minimum order quantity?

MOQ depends on size and material. Please contact us for details.

Inquiry Information

Contact: Michael Shen

Email: michaelshen@uhc-group.com.cn / sales@uhc-group.com.cn

Tel/WhatsApp: +86 13575349247

Website: www.jxuhc.com

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Alt Suggestion: Duplex steel hex nut for offshore use