Super Duplex (UNS S32750 F53) Round Bars Supplier in India

Super Duplex (UNS S32750 F53) Round Bars – Strength, Stability & No-Nonsense Performance

When extreme conditions are the norm, you need materials that don’t flinch. Super Duplex (UNS S32750 F53) Round Bars are built exactly for that. With double the strength of standard austenitic stainless steel and impressive resistance to corrosion, erosion, and stress cracking, these bars are the backbone of serious industrial infrastructure.

Whether it’s offshore drilling, pressure piping, or high-load structural components – F53 bars deliver where other grades give up. They’re not flashy – but they’re ridiculously dependable. And in heavy-duty industries, that’s the real flex.

Why Super Duplex F53 Round Bars Get the Job Done

Twice the Strength of Stainless Steel – Perfect for load-bearing and structural frameworks
High Resistance to Chloride-Induced Stress Cracking – Ideal for coastal and marine zones
Performs in Extreme Pressure & Temperature – Built for chemical plants, oil rigs, and high-heat zones
Outstanding Weldability & Toughness – Easy to fabricate without compromising mechanical strength
Low Thermal Expansion & High Fatigue Strength – Great for dynamic equipment like pumps and shafts
Backed by Global Standards – Supplied with MTCs, tested for ASTM & ASME compliance

If you’re designing systems where failure is not an option, Super Duplex F53 should already be on your spec sheet.

Where You’ll See F53 Round Bars in Action

Super Duplex isn’t a luxury – it’s a necessity when you’re dealing with hostile environments. Here’s where it thrives:

  • Subsea pipelines, risers, and connectors

     

  • Desalination systems and marine exhausts

     

  • Heat exchangers and condensers

     

  • Pressure vessels in refineries

     

  • Pulp & paper digester systems

     

  • Shaft components, impellers, and heavy-duty fasteners

     

  • Offshore structural supports and platforms

It’s particularly useful in regions dealing with chloride stress corrosion, high pressure, or fast-flowing acidic fluids.

Tech Specs: What’s Inside Matters

Chemical Composition (%)

ElementContent (%)
Chromium24.0 – 26.0
Nickel (Ni)6.0 – 8.0
Molybdenum3.0 – 5.0
Nitrogen0.24 – 0.35
Carbon0.030 max
Manganese1.2 max
Silicon0.8 max
Iron (Fe)Balance

Mechanical Properties

Property Value
Tensile Strength 795 MPa min
Yield Strength (0.2%) 550 MPa min
Elongation 25% min
Hardness (Brinell) ≤ 290 HB
Density 7.8 g/cm³
Melting Point 1350–1400°C

With high PREN (Pitting Resistance Equivalent Number) values, F53 is engineered to outlast even in seawater or acidic environments. It’s performance-grade, through and through.

Sizes, Standards & Supply Options

  • Size Range: 8mm to 300mm diameter
  • Length: Up to 6 meters or custom cut
  • Standards: ASTM A276, ASTM A479, ASME SA276, SA479
  • Finish: Bright, Peeled, Centerless Ground, or Hot Rolled
  • Condition: Solution Annealed & Pickled

We also offer custom machining, third-party inspection, and export-ready packaging to suit global project needs

Why Clients Trust Us

We’re not just another Super Duplex (UNS S32750 F53) Round Bars supplier in India. We deliver real value—quality materials, fast dispatch, technical transparency, and excellent post-sale support.

Whether you’re an EPC contractor sourcing for a mega project or a small fabricator managing a precision order—we treat every inquiry with the same level of urgency and detail. Because reliability shouldn’t just be in the material. It should be in the supplier too.