Table of Contents
- Super Duplex Steel S32760 Overview
- Technical Specifications
- Chemical Composition & Mechanical Properties
- Types of UNS S32760 Square Bars
- Key Advantages of UNS S32760 Square Bar
- Key Applications of UNS S32760 Square Bar
- Quality Testing & Inspection
- Global Export Markets
- Frequently Asked Questions
- Contact Aurum Overseas
Super Duplex Steel S32760 Overview
Aurum Overseas is a leading Super Duplex Steel S32760 Square Bars Supplier stocking high-strength 25% chromium profiles engineered to eliminate equipment downtime. Designed for extreme durability, our solid square stock offers double the strength of standard stainless steel and exceptional protection against harsh saltwater pitting and chemical corrosion.
As a trusted Super Duplex Steel S32760 Square Bars Exporter, we deliver precision Super Duplex F55 Bright Square Bars for high-speed CNC machining and heavy Super Duplex F55 Forged Square Bars for load-bearing frames. Every shipment includes heat traceability, EN 10204 3.1 mill certification, and custom cut-to-length sizing to cut scrap costs.
We supply certified Super Duplex Zeron 100 Square Bars and UNS S32760 Square Bars to offshore, desalination, and chemical sectors across the USA, Canada, Germany, UK, UAE, Saudi Arabia, and global markets.
Technical Specifications
| Technical Parameter | Specification Details |
|---|---|
| Material Specifications | ASTM A276, ASTM A479, ASME SA276, ASME SA479, ASTM A182 (F55) |
| UNS Designation | UNS S32760 |
| Trade Name | Zeron 100 |
| Size Range (Square) | 6.0 mm x 6.0 mm to 250 mm x 250 mm (1/4" to 10" square) |
| Length Options | 1,000 mm to 6,000 mm, Custom Cut-to-Length |
| Surface Finishes | Bright (Cold Drawn / Centerless Ground), Forged (Hot Forged / Rough Turned) |
| Heat Treatment | Solution Annealed (1100 °C – 1140 °C followed by rapid water quench) |
| Dimensional Tolerances | ASTM A484 / ISO h9, h10, h11 square profile tolerances |
Chemical Composition & Mechanical Properties
Equivalent Standards
| Standard Grade | UNS | Werkstoff Nr. | Trade Designation |
|---|---|---|---|
| Super Duplex F55 | S32760 | 1.4410 / 1.4501 | Zeron 100 |
Chemical Composition (%)
| Element / Parameter | S32760 (Zeron 100) Composition Range (%) |
|---|---|
| Carbon (C) | 0.030 max |
| Manganese (Mn) | 1.00 max |
| Silicon (Si) | 1.00 max |
| Phosphorus (P) | 0.030 max |
| Sulfur (S) | 0.010 max |
| Chromium (Cr) | 24.00 – 26.00 |
| Molybdenum (Mo) | 3.00 – 4.00 |
| Nickel (Ni) | 6.00 – 8.00 |
| Tungsten (W) | 0.50 – 1.00 |
| Copper (Cu) | 0.50 – 1.00 |
| Nitrogen (N) | 0.20 – 0.30 |
| Iron (Fe) | Balance |
Mechanical & Physical Properties
| Property Parameter | Technical Value |
|---|---|
| Density | 7.8 g/cm³ |
| Melting Point | 1350 °C (2460 °F) |
| PREN (Pitting Resistance Equivalent No.) | ≥ 42.0 |
| Tensile Strength (Min) | 109 ksi / 750–800 MPa |
| Yield Strength (0.2% Offset, Min) | 80 ksi / 550 MPa |
| Elongation (Min) | 25% |
| Hardness (Max) | 28 HRC |
Types of UNS S32760 Square Bars
Aurum Overseas supplies Super Duplex Steel S32760 (Zeron 100 / F55) square bars in precision bright and heavy forged conditions for extreme high-strength and corrosion-resistant applications.
Zeron 100 Bright Square Bars
Zeron 100 Forged Square Bars
Key Advantages of UNS S32760 Square Bar
Enhanced Acidic Defense
Alloying with tungsten and copper provides exceptional protection in non-oxidizing acids like sulfuric and hydrochloric acid.
High Mechanical Strength
Delivers a minimum yield strength of 550 MPa, allowing for lighter, high-load structural component designs.
Superior Pitting Immunity (PREN ≥ 42)
Advanced PREN rating prevents localized pitting and crevice corrosion in hot, oxygenated brine solutions.
Resistance to Stress Corrosion Cracking
Maintains structural integrity in high-temperature, high-salinity marine environments.
Key Applications of UNS S32760 Square Bar
| Industry | Applications | Key Benefit |
|---|---|---|
| Subsea Oil & Gas | Manifold frames, valve stems | Handles high pressure and harsh offshore conditions. |
| Desalination Systems | RO pump shafts | Resists corrosion in concentrated seawater and brine. |
| Chemical Processing | Agitators, heat exchanger supports | Performs well in demanding chemical environments. |
| Pulp & Paper | Bleach washer shafts, structural components | Withstands aggressive bleaching chemicals and gases. |
Quality Testing & Inspection
As a quality-focused Super Duplex Steel S32760 Square Bars Supplier, every order undergoes comprehensive testing:
- Mill Test Certification: EN 10204 3.1 certification verifying heat traceability and chemical/mechanical compliance.
- Ferrite Content Inspection: Microstructural assessment per ASTM E562 verifying a balanced 40%–60% phase ratio.
- Pitting Corrosion Resistance Testing: ASTM G48 Method A testing in ferric chloride to ensure localized corrosion integrity.
- Ultrasonic Core Testing: Non-destructive testing per ASTM A388 on heavy forged billets to ensure internal structural soundness.
Global Export Markets
As an established Super Duplex Steel S32760 Square Bars Exporter, Aurum Overseas supplies fully certified UNS S32760 / F55 / Zeron 100 Square Bars to global energy and marine engineering centers:
USA
Canada
Mexico
Germany
United Kingdom
France
Italy
Netherlands
Belgium
Spain
Poland
UAE
Saudi Arabia
Qatar
Kuwait
Oman
Bahrain
Frequently Asked Questions
S32760 contains intentional additions of copper (0.5–1.0%) and tungsten (0.5–1.0%), providing enhanced performance in acidic media like sulfuric acid compared to S32750.
F55 is the ASTM A182 forging grade specification that corresponds to the UNS S32760 chemical composition and strength profile.
Yes, S32760 has a high PREN (≥ 42), making it ideal for warm seawater, marine subsea equipment, and desalination pumps.
We offer cold-drawn Super Duplex F55 Bright Square Bars for precise lathe turning and Super Duplex F55 Forged Square Bars for heavy-duty structural frames.
Yes, as a trusted Super Duplex Steel S32760 Square Bars Exporter, every delivery is accompanied by certified mill test reports verifying full heat traceability.
Contact Aurum Overseas
Aurum Overseas provides certified Super Duplex Steel S32760 (Zeron 100 / F55) square bars for subsea, marine, and severe acidic applications.
Contact our technical sales team for ready stock, custom cutting, or fast pricing: