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Duplex Stainless Steel Beams

About Solitaire Steel & Engineering LLP: Pioneers in Structural Stainless Steel Solutions

Solitaire Steel & Engineering LLP, located in Khetwadi, Mumbai, India, is a globally trusted supplier and exporter of premium stainless steel structural components. Among our product range, Duplex Stainless Steel Beams stand out for their superior strength, corrosion resistance, and cost-efficiency. Engineered to excel in demanding environments, our Duplex beams meet international quality standards such as ASTM and EN. Delivered across numerous countries, our beams are renowned for their durability and versatility, making us the preferred choice for various industries, including construction, marine, and petrochemical sectors.

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Duplex Stainless Steel Beams

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A Closer Look at Duplex Beam Applications and Technical Excellence

Duplex Stainless Steel Beams, composed of roughly equal proportions of austenite and ferrite, deliver unmatched mechanical performance. The dual-phase structure combines the high strength of ferritic stainless steel with the toughness and corrosion resistance of austenitic grades, making them suitable for diverse applications.

Key Applications:

  • Marine Industry: Ideal for offshore platforms and coastal structures.
  • Petrochemical Plants: Used in pipelines, storage tanks, and heat exchangers.
  • Structural Frameworks: Bridges, high-rise buildings, and industrial infrastructure.
  • Water Treatment: Perfect for desalination systems and waste management plants.

Pricing Dynamics: Duplex beams are cost-effective compared to high-alloy grades due to their moderate nickel and molybdenum content. While grades like UNS S31803 offer affordability for standard use, UNS S32750 provides higher corrosion resistance for extreme conditions, making them a premium choice.

Advantages of Choosing Duplex Stainless Steel Beams

  • Enhanced Strength: Twice as strong as standard austenitic grades, leading to weight and material savings.
  • Corrosion Resistance: Superior protection against pitting, crevice corrosion, and stress corrosion cracking.
  • Temperature Performance: Usable in a range from -40°C to 280°C.
  • Customizable: Available in various shapes, including channels, angles, and tees.
  • Cost-Effectiveness: Lower alloying element content ensures stable pricing.

Technical Specifications of Duplex Beams

Specification Details
Grades Available UNS S31803, UNS S32205, UNS S32750
Standards Followed ASTM A240, EN 10088-2
Types Hot-rolled, Laser-fused
Surface Finish Options Mill finish, Brushed, Polished
Applications Marine, Petrochemical, Industrial

Chemical Composition of Duplex Stainless Steel Grades

Element S31803 (%) S32205 (%) S32750 (%)
Chromium (Cr) 21.0 – 23.0 22.0 – 23.0 24.0 – 26.0
Nickel (Ni) 4.5 – 6.5 4.5 – 6.5 6.0 – 8.0
Molybdenum (Mo) 2.5 – 3.5 3.0 – 3.5 3.0 – 4.5
Carbon (C) ≤ 0.03 ≤ 0.03 ≤ 0.03
Manganese (Mn) ≤ 2.0 ≤ 2.0 ≤ 1.2

Mechanical Properties of Duplex Beams

Property S31803 S32205 S32750
Tensile Strength (MPa) ≥ 620 ≥ 655 ≥ 800
Yield Strength (MPa) ≥ 450 ≥ 485 ≥ 550
Elongation (%) ≥ 25 ≥ 25 ≥ 25

Price Range for Duplex Structural Profiles

Grade Price per Kilogram (INR)
UNS S31803 250 – 300
UNS S32205 300 – 350
UNS S32750 400 – 450

Note: Pricing depends on dimensions, order volume, and market fluctuations. Contact us for custom quotes.

Why Select Solitaire Steel for Your Beam Requirements?

  • Unmatched Expertise: Decades of experience in stainless steel supply.
  • Custom Solutions: Tailored options in dimensions and finishes.
  • Stringent Quality Checks: Products meet and exceed global standards.
  • Affordable Pricing: Competitively priced solutions for all project sizes.
  • Global Reach: Reliable and timely deliveries worldwide.

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Solitaire Steel & Engineering LLP is committed to delivering superior Duplex Stainless Steel Beams tailored to your needs. Whether your project requires corrosion-resistant marine components or high-strength industrial frameworks, our beams ensure unmatched performance.

Contact us today for personalized assistance and a competitive quote. Let our expertise drive your success.

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