Top Duplex (UNS S31803 F51) Sheets Supplier in India – Premium Quality. Trusted Delivery.

At RSD, we specialize in offering Duplex (UNS S31803 F51) Sheets that strike the perfect balance between strength and corrosion resistance. These sheets are ideal for demanding industries like chemical processing, oil and gas, marine, and desalination where performance matters more than price.

Whether you’re building pressure vessels or working on offshore platforms, these duplex sheets are known for their durability and cost-efficiency. Available in a range of thicknesses and finishes, they’re crafted to perform in environments that don’t forgive weaknesses.

Why Choose Our Duplex (UNS S31803 F51) Sheets – Leading Supplier in India with Industrial-Grade Stock

As a Duplex (UNS S31803 F51) Sheets supplier in India, we understand that performance can’t be compromised when it comes to critical applications. Our sheets are crafted from premium-grade duplex stainless steel – a material known for combining the best of both austenitic and ferritic properties. This makes them twice as strong as standard 300-series stainless steels while offering superior resistance to pitting and stress corrosion cracking.

What sets us apart is our ability to deliver customized dimensions, cut-to-size orders, and finish preferences based on your project. We cater to industries across India and globally, fulfilling both bulk and short-run demands without delay.

These sheets are often used in environments with harsh chemicals, saltwater, or high pressure such as petrochemical plants, heat exchangers, paper and pulp facilities, and architectural installations. Being rust-resistant and low-maintenance, they are a long-term investment for any infrastructure.

Technical Specifications of Duplex (UNS S31803 F51) Sheets – Chemical & Mechanical Properties

Below is a quick breakdown of the chemical composition and mechanical properties of Duplex (UNS S31803 F51) Sheets:

Chemical Composition (%):

Element

Composition

Chromium (Cr)

21.0 – 23.0

Nickel (Ni)

4.5 – 6.5

Molybdenum (Mo)

2.5 – 3.5

Manganese (Mn)

≤ 2.0

Nitrogen (N)

0.10 – 0.22

Carbon (C)

≤ 0.03

Phosphorus (P)

≤ 0.03

Sulfur (S)

≤ 0.02

Iron (Fe)

Balance

Mechanical Properties:

Property

Value

Tensile Strength

≥ 620 MPa

Yield Strength (0.2% offset)

≥ 450 MPa

Elongation

≥ 25%

Hardness

≤ 293 HB

Our sheets also comply with ASTM A240 / ASME SA240 standards for Duplex Steel.

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