Super Duplex Round Bars

Super Duplex Round Bars – High Strength. Extreme Resistance. Zero Compromise.

When you’re building for corrosive, high-pressure environments, Super Duplex Round Bars don’t just meet expectations—they exceed them. Engineered for aggressive industrial conditions, these bars deliver exceptional strength, superior corrosion resistance, and unbeatable reliability where standard stainless steel falls short.

From subsea pipelines to chemical reactors, Super Duplex is the material industries trust when failure is not an option. It’s not here to look pretty—it’s here to perform.

Leading Super Duplex Round Bars Supplier in India for Heavy-Duty Applications

As a Super Duplex Round Bars supplier in India, we supply industries that operate under extreme stress—literally. These bars are crafted from advanced dual-phase (ferrite + austenite) stainless steels, combining twice the strength of conventional stainless with remarkable resistance to pitting, crevice corrosion, and chloride-induced cracking.

Whether you’re dealing with seawater, sour gas, or high-pressure steam, Super Duplex handles it all—while offering long-term cost savings with reduced maintenance and downtime.

It’s especially popular in offshore platforms, desalination plants, chemical processing units, and anywhere you can’t afford material failure.

Super Duplex (UNS S32750 F53) Round Bars

Super Duplex (UNS S32760 F55) Round Bars

Super Duplex (UNS S32550 F61) Round Bars

Technical Data: Chemical Composition & Mechanical Properties

Chemical Composition (%): UNS S32750 / F53

ElementContent (%)
Chromium24.0 – 26.0
Nickel6.0 – 8.0
Molybdenum3.0 – 5.0
Nitrogen0.24 – 0.35
Manganese≤ 1.2
Silicon≤ 0.8
Carbon≤ 0.030
IronBalance

Mechanical Properties: UNS S32750 / F53

Property Value
Tensile Strength ≥ 795 MPa
Yield Strength (0.2%) ≥ 550 MPa
Elongation ≥ 25%
Hardness (Brinell) ≤ 290 HB
Density 7.8 g/cm³
Melting Point 1350–1450°C
PREN (Pitting Resistance) > 40
With a PREN value exceeding 40, Super Duplex is ideal for chloride-heavy zones like offshore rigs and desal plants.

Product Availability & Sizes

Specification Range/Details
Diameter Range 6mm – 300mm
Length 1m – 6m (custom lengths available)
Form Round, Square, Hex, Forged Bars
Finish Bright, Hot Rolled, Peeled, Ground
Condition Solution Annealed, Pickled
Standards ASTM A276, A479 / ASME SA276, SA479
Need special machining or third-party inspection? Just ask – we’ve got it covered.

Why Choose Us as Your Super Duplex Round Bars Supplier in India?

We don’t just ship products. We deliver peace of mind. As one of the most trusted Super Duplex Round Bars suppliers in India, we serve industries where failure isn’t an option and timelines can’t be missed.

Here’s why our customers trust us:

Certified Quality – Mill Test Certificates (EN 10204 3.1), NORSOK compliant on request
Custom-Cut Solutions – From raw bars to semi-machined forms
On-Time Dispatch – Quick delivery, real-time updates, global reach
Export-Grade Packaging – For smooth customs clearance and seaworthy protection
Dedicated Support Team – From technical guidance to paperwork assistance

Whether it’s a large-scale EPC order or a last-minute shutdown requirement, we’re here to help you stay on schedule and on spec.