Also known as: Super Duplex Zeron 100, 100 Super Duplex Zeron, Super Duplex Stainless Steel S32760 (Zeron 100) Seamless Pipes & Tubes, S32760, UNS S32760, 1.4501, Werkstoff 1.4501, W.Nr 1.4501, X2CrNiMoCuWN25-7-4, zeron 100
Super Duplex Stainless Steel S32760 (Zeron 100) Seamless Pipes & Tubes
Super Duplex S32760 (Zeron 100) is a tungsten-enhanced super duplex stainless steel with exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. The addition of tungsten and copper provides superior performance in harsh chloride and sour gas environments.
Size Range
1/4" NPS to 10" NPS (6.35mm to 273.1mm OD)
Wall Thickness
SCH 5S to SCH 80S
Standards
4 specs
Chemical Composition (% by weight)
| C | Mn | Si | Cr | Ni | Mo | W | Cu | N | P | S |
|---|---|---|---|---|---|---|---|---|---|---|
| 0.030 max | 1.00 max | 1.00 max | 24.0-26.0 | 6.0-8.0 | 3.0-4.0 | 0.50-1.00 | 0.50-1.00 | 0.20-0.30 | 0.030 max | 0.010 max |
Mechanical Properties (Minimum at Room Temperature)
| Tensile Strength | Yield Strength | Elongation | Hardness |
|---|---|---|---|
| 750 MPa min | 550 MPa min | 25% min | 32 HRC max |
Physical Properties - Super Duplex Zeron 100
| Density | Melting Range | Thermal Conductivity | Electrical Resistivity | Specific Heat | Coeff. of Thermal Expansion |
|---|---|---|---|---|---|
| 7.84 g/cm3 | 1350-1400 C | 14.2 W/m-K | 860 nOhm-m | 480 J/kg-K | 13.0 um/m-C |
Corrosion Resistance - Super Duplex Zeron 100
| Property | Value |
|---|---|
| Pitting Resistance (PREN) | >40 (W-enhanced) |
| Max Service Temp (Oxidizing) | 315 C |
| Intergranular Corrosion | Highly resistant |
| Stress Corrosion Cracking | Outstanding - sour gas rated |
| General Corrosion Rate | <0.01 mm/yr |
| Seawater Resistance | Excellent - warm seawater capable |
Equivalent International Grades
| ASTM | Trade | NORSOK |
|---|---|---|
| S32760 | Zeron 100 | MDS D56 |
Super Duplex Zeron 100 vs Comparable Grades
| Grade | UNS | Tensile | Yield | PREN | Max Temp |
|---|---|---|---|---|---|
| Super Duplex 2507Super Duplex Stainless Steel | S32750 | 795 MPa min | 550 MPa min | >42 (typ. 42-44) | 315 C |
| Duplex 2205Duplex Stainless Steel | S32205 | 655 MPa min | 450 MPa min | ~35 | 315 C (to avoid 475C embrittlement) |
| Alloy C-276Nickel-Molybdenum-Chromium Alloy | N10276 | 690 MPa min | 283 MPa min | >70 (highest available) | 1093 C |
Applicable Standards
Applications
Key Advantages of Super Duplex Zeron 100
Super Duplex Zeron 100 Applications by Region
Middle East (UAE, Saudi Arabia, Qatar, Oman, Kuwait)
Specified for the most demanding subsea and sour gas applications across UAE, Saudi Arabia, and Qatar.
Europe (Germany, UK, Norway, Netherlands, Italy)
Premium grade for North Sea deepwater applications, particularly specified by Equinor and Shell for Norwegian Continental Shelf.
United States
Used in the most critical deepwater Gulf of Mexico applications and sour gas processing facilities.
Frequently Asked Questions about Super Duplex Zeron 100 Seamless Pipes & Tubes
Quick Specifications
1/4" NPS to 10" NPS (6.35mm to 273.1mm OD)
SCH 5S to SCH 80S
Industries Served
Related Grades
Compare With
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Stancor Tubular Products supplies Super Duplex Zeron 100 seamless pipes & tubes across the GCC, India, Europe and the USA. Contact our sales team for competitive pricing, fast delivery, and full material certification.
