Alloy N09935 bar
Alloy N09935 bar, also known as Incoloy 935, is a premium nickel-iron-chromium-molybdenum alloy developed for severe oil and gas service environments containing H₂S and CO₂. It combines exceptional mechanical strength with outstanding corrosion resistance and stress-corrosion cracking resistance.
| Alloy N09935 Bar Specification: |
| Grade | alloy N09935 |
|---|---|
| Specification | ASTM B637 |
| Round bar size | Diameter: 3mm~800mm |
| Angle bar size | 3mm*20mm*20mm~12mm*100mm*100mm |
| Square bar size | 4mm*4mm~100mm*100mm |
| Flat bar size | Thickness: 2mm~100mm |
| Width: 10mm~500mm | |
| Bar size | 2mm~100mm |
| Finish | Bright, Polish, Rough Turned, Grinding, Centreless Ground & Black |
| Surface | Hot Rolled Pickled or Sand Blasting Finished, Cold Drawn, Bright, Polished, Hairline |
| Condition | Cold Drawnd Pulished Cold Drawn Centreless Ground & Polished, Annealed round bar |
| Technique | Hot Rolled, Cold Rolled, Cold Drawn, Forged Round Bar, Rod |
| Form | Round, Rod, Precision Ground Bar, Square, Round Rod, Hollow, Hex (A/F), Triangle, Rectangle, Threaded, T-Bar, Half Round Bar, Flat Bar, Rings, Blocks, Billet, Ingot, I/H Bar, Angle, Channel Bar, Profiles, Forging Etc. |
| Alloy N09935 Rod Chemical Composition: |
| Grade | C | Mn | Si | S | Ni | Al | Cr | P | Ti | Mo |
| N09935 | 0.03 | 0.5 | 0.5 | 0.01 | 43.0-47.0 | 0.1-0.5 | 19.0-21.0 | 0.015 | 1.5-2.0 | 3.0-4.0 |
| UNS N09935 Bar Physical Properties: |
| Property | Value |
|---|---|
| Density | 8.3 g/cm³ (0.30 lb/in³) |
| Melting Range | 1310-1390°C (2390-2535°F) |
| Thermal Conductivity at 20°C | 11.2 W/m·K (6.5 BTU/hr/ft/°F) |
| Electrical Resistivity | 1.25 μΩ·m at 20°C |
| Coefficient of Thermal Expansion (20-100°C) | 12.5 × 10⁻⁶ /°C (6.9 × 10⁻⁶ /°F) |
| Specific Heat | 435 J/kg·K (0.104 BTU/lb/°F) |
| Young’s Modulus | 210 GPa (30.5 × 10⁶ psi) |
| Alloy N09935 Rod Mechanical Properties: |
| Property | Minimum Value | Typical Value |
|---|---|---|
| 0.2% Yield Strength | 120 ksi (827 MPa) | 130 ksi (896 MPa) |
| Tensile Strength | 150 ksi (1034 MPa) | 165 ksi (1138 MPa) |
| Elongation | 20% | 25% |
| Reduction of Area | 30% | 40% |
| Hardness | 32 HRC | 35-40 HRC |
| Charpy V-Notch Impact @ -50°C | 35 Joules | 45 Joules |
| Applications of Alloy N09935 Bar |
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Oil & Gas Equipment:
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Downhole tubulars, subsurface safety valves, packers, and completion tools
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Wellhead and Christmas tree components exposed to high pressure and sour service
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Couplings, connectors, and high-strength fasteners
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Chemical Processing:
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Heat exchangers, pumps, and reactors handling acidic or chloride-based fluids
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Pressure vessels and fittings requiring resistance to pitting and stress corrosion cracking
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Marine and Offshore Environments:
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Subsea components, risers, and manifolds subjected to seawater and brine
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Shafts and hardware used in offshore drilling systems
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Aerospace and Power Generation (optional use):
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Components requiring stable mechanical properties at elevated or cryogenic temperatures
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| Key Advantages of Alloy N09935 Bar |
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Balanced Strength and Corrosion Resistance:
Provides an exceptional blend of high mechanical strength and outstanding resistance to various forms of corrosion, ensuring reliable performance in demanding service conditions. -
Superior Corrosion Protection:
Offers excellent resistance to pitting, crevice attack, stress corrosion cracking, and general corrosion, even in chloride-rich or acidic environments. -
Precipitation-Hardened Strength:
Strengthened through controlled aging treatment to achieve high yield and tensile strength while maintaining good ductility and impact toughness. -
Optimized for Sour Gas Service:
Fully compliant with NACE MR0175 / ISO 15156 standards, making it ideal for oil and gas components exposed to H₂S and CO₂ environments. -
Excellent Workability:
Readily machinable, weldable, and formable using standard fabrication methods when proper procedures are followed. -
Thermal Stability:
Retains its strength and corrosion resistance during prolonged exposure to elevated temperatures. -
Outstanding Fatigue Performance:
Exhibits superior endurance against both low and high cycle fatigue, ensuring long-term reliability in cyclic loading applications. -
Cryogenic Reliability:
Maintains good mechanical properties and toughness even at low and sub-zero operating temperatures.
| FAQ |
Q1: What is Alloy N09935 bar used for?
A: It’s mainly used in oil & gas components requiring both high strength and corrosion resistance under sour gas conditions.
Q2: Does Alloy N09935 comply with NACE MR0175?
A: Yes, SASA ALLOY produces N09935 bars fully compliant with NACE MR0175 / ISO 15156, hardness ≤34 HRC.
Q3: What standards cover N09935 bar?
A: Typically manufactured under ASTM B637 or equivalent specification with solution annealed + aged heat treatment.
| SASA ALLOY’S Quality Assurance |
1. Visual Dimension Test
2. Mechanical examining like tensile, Elongation and reduction of area.
3. Impact analysis
4. Chemical examination analysis
5. Hardness test
6. Pitting protection test
7. Penetrant Test
8. Intergranular Corrosion Testing
9. Roughness Testing
10. Metallography Experimental Test
| Why Choose Us |
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Material Expertise: Our metallurgists and engineers possess deep expertise in nickel-based superalloys, ensuring the right material solutions for every demanding application.
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Advanced Manufacturing: Equipped with modern production facilities and rigorous quality control systems to guarantee uniform properties and consistent performance.
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Comprehensive Quality Testing: Every product is thoroughly inspected for mechanical strength, dimensional precision, and corrosion resistance to meet critical industry requirements.
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Tailored Solutions: We offer customized compositions, sizes, and heat treatments to match specific project or end-use needs.
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Technical Support: Dedicated experts provide guidance on material selection, heat treatment, welding, and fabrication processes.
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Global Supply Network: With worldwide logistics partners, we deliver materials efficiently and on time to clients across different industries and regions.
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Industry Certification & Compliance: All products conform to or exceed ASTM, ASME, API, and NACE specifications.
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Cost-Effective Performance: Delivering premium superalloy materials with outstanding quality-to-price value for long-term reliability.
| Alloy bar Package: |
1. Packing is quite important especially in a case of international shipments in which consignment pass through various channels to reach the ultimate destination, so we put special concern regarding packaging.
2. Sasa alloy’s pack our goods in numerous ways based on the products. We pack our products in multiple ways, such as,
