Alloy C276 Steel Plate|Alloy C276 Material

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Hastelloy C276:UNS N10276 Nickel Alloy by Gangsteel Group

Gangsteel Group is a leading global supplier of Hastelloy C276, also known as Alloy C276 or UNS N10276, offering premium Hastelloy C276 pipe, Hastelloy C276 round bar, Hastelloy C276 tubing, plates, sheets, and custom-fabricated components.

Renowned for its exceptional corrosion resistance and durability, C276 material is a nickel-molybdenum-chromium superalloy designed for the most aggressive environments. This comprehensive guide explores the Hastelloy C276 composition, C276 material properties, applications, and why Gangsteel is your trusted source for Hastelloy C276 pipe, round bar, and tubing at competitive prices.

1. What is Hastelloy C276?

Hastelloy C276(UNS N10276)/Alloy C276 is a wrought nickel-chromium-molybdenum alloy with added tungsten, engineered for superior corrosion resistance in harsh chemical environments. Developed by Haynes International, Alloy C276 is celebrated for its low carbon content, which minimizes carbide precipitation during welding, ensuring reliability in as-welded conditions. Unlike other alloys like Inconel® 600 or Inconel® 625, C276 material excels in both oxidizing and reducing conditions, making it a top choice for chemical processing, oil and gas, and pollution control industries.

Is Alloy C276 the Same as Inconel?

While Alloy C276 is sometimes referred to as Inconel® C276 (a trademark of Special Metals Corporation), it is distinct from other Inconel® alloys like Inconel® 718 or Inconel® 601. Hastelloy C276 is specifically formulated with higher molybdenum (15-17%) and tungsten (3-4.5%) content, providing unmatched resistance to pitting, crevice corrosion, and stress corrosion cracking compared to Inconel® alloys, which are often optimized for high-temperature strength.

2. Why Choose Gangsteel’s Hastelloy C276 Products?

1. Unmatched Corrosion Resistance: C276 material resists aggressive chemicals like sulfuric, hydrochloric, and nitric acids, as well as chlorides and wet chlorine gas, surpassing alloys like Alloy 600.
2. High-Temperature Stability: Maintains mechanical integrity up to 1900°F (1038°C), ideal for Hastelloy C276 pipe and tubing in high-heat applications.
3. Versatile Fabrication: Excellent weldability and formability for Hastelloy C276 round bar, pipes, and custom components without post-weld heat treatment.
4. Competitive Pricing: Hastelloy C 276 price ranges from US $45-70 per kg (FOB), offering cost-effective solutions for high-performance applications.
5. Global Supply: Gangsteel delivers Hastelloy C276 tubing, pipes, and bars worldwide with EN 10204 3.1/3.2 certification.

3. Execution Standards for Hastelloy C276

Gangsteel’s Hastelloy C276 products comply with rigorous international standards to ensure quality and performance:

1. ASTM B575: For Alloy C276 plate, sheet, and strip.
2. ASTM B622: For seamless Hastelloy C276 pipe and tubing.
3. ASTM B619: For welded Hastelloy C276 pipe.
4. ASTM B574: For Hastelloy C276 round bar and rod.
5. ASME SB-575/SB-622/SB-619: For pressure vessel and piping applications.
6. DIN 2.4819: European standard for UNS N10276.
7. AMS 5750: Aerospace-grade specifications for C276 material.

Note: Products are supplied with mill test certificates and tested per DNV, BV, or SGS standards, ensuring compliance with Hastelloy C276 chemical composition and properties.

4. Available Specifications and Product Categories

Gangsteel offers a wide range of Hastelloy C276 products tailored to UNS N10276 specifications:

4.1 Specifications

1. Hastelloy C276 Plate:
   • Thickness: 0.5mm to 50mm
   • Width: 1000mm to 2500mm
   • Length: 2000mm to 12000mm
   • Finish: Hot-rolled, annealed, descaled
   • Applications: Chemical reactors, pollution control systems
2. Hastelloy C276 Sheet:
   • Thickness: 0.025mm to 4mm
   • Width: 500mm to 2000mm
   • Finish: Cold-rolled, bright annealed
   • Applications: Heat exchangers, pharmaceutical equipment
3. Hastelloy C276 Pipe:
   • Types: Seamless, welded
   • Outer Diameter: 0.5” to 8” (12.7mm to 203.2mm)
   • Wall Thickness: Sch 5S to Sch 160
   • Length: Up to 12m
   • Applications: Sulfuric acid piping, flue gas desulfurization
4. Hastelloy C276 Tubing:
   • Outer Diameter: 6mm to 260mm
   • Wall Thickness: 0.5mm to 20mm
   • Finish: Seamless, welded, polished
   • Applications: Chemical processing, oil and gas
5. Hastelloy C276 Round Bar:
   • Diameter: 6mm to 300mm
   • Length: Up to 6000mm
   • Finish: Hot-rolled, cold-drawn, centerless ground
   • Applications: Valves, pump shafts, fasteners
6. Custom Components:
   • Types: Flanges, fittings, CNC-cut parts
   • Sizes: Per ASME B16.5 or custom tolerances (±0.05mm)
   • Applications: Petrochemical piping, nuclear reactors

4.2 Product Categories

1. Flat Products: Plates and sheets for structural and corrosion-resistant applications.
2. Tubular Products: Hastelloy C276 pipe and tubing for fluid transport in aggressive environments.
3. Bar Products: Hastelloy C276 round bar for machining into high-strength components.
4. Custom Fabrication: CNC-machined parts, welded fittings, and flanges for tailored solutions.

Note: Custom sizes and finishes are available. Contact Gangsteel for bespoke Alloy C276 solutions.

5. Composition of Hastelloy C276

The Hastelloy C276 chemical composition is optimized for corrosion resistance and mechanical strength, as per ASTM B575:

Note: The low carbon content (≤0.01%) prevents carbide precipitation during welding, ensuring C276 material retains corrosion resistance in welded zones. Molybdenum and tungsten enhance resistance to pitting and crevice corrosion, while chromium provides a stable passivation film.

6. Material Properties of Hastelloy C276

• Density: 8.89 g/cm³ (0.321 lb/in³), supporting lightweight, high-strength designs.
• Melting Point: 1325-1370°C (2420-2500°F), suitable for high-temperature applications.
• Hardness: ~87 HRB (annealed), contributing to wear resistance.
• Thermal Conductivity: 7.2 W/m·K at -168°C, ideal for heat exchangers.
• Corrosion Resistance: Exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking in acids, chlorides, and wet chlorine gas, outperforming Alloy 625 in reducing environments.
• Non-Magnetic: UNS N10276 is non-magnetic in annealed and cold-worked conditions, ideal for sensitive applications.

7. Mechanical Properties of Hastelloy C276

The mechanical properties of C276 material ensure reliability in demanding conditions, as per ASTM B575 (annealed condition):

Note: Properties vary with form and heat treatment. For detailed Hastelloy C276 tensile data at elevated temperatures, contact Gangsteel for a datasheet.

8. Equivalent Materials and Standards

Hastelloy C276(UNS N10276) is comparable to other corrosion-resistant alloys:

Note: Alloy C276 outperforms Stainless Steel 316 in acidic and chloride environments and offers better weldability than Inconel 625 due to its low carbon content.

9. Applications of Hastelloy C276

1. Chemical Processing: Hastelloy C276 pipe and tubing for reactors, heat exchangers, and piping handling acids and chlorides, similar to Alloy 617.
2. Oil and Gas: Hastelloy C276 round bar for valves and pump shafts in sour gas environments with hydrogen sulfide.
3. Pollution Control: Flue gas desulfurization scrubbers using Alloy C276 plates and pipes for resistance to sulfur compounds.
4. Pharmaceuticals: Hastelloy C276 tubing for equipment exposed to aggressive cleaning agents.
5. Pulp and Paper: Digesters and bleach plants leveraging C276 material corrosion resistance.

Note: Hastelloy C276’s versatility makes it ideal for multi-purpose plants where corrosive conditions vary.

10. Hastelloy C 276 Price

• Hastelloy C276 Plate/Sheet: US $45-70 per kg (FOB), depending on thickness and order volume.
• Hastelloy C276 Pipe/Tubing: US $50-75 per kg (FOB), based on diameter and schedule.
• Hastelloy C276 Round Bar: US $48-72 per kg (FOB), varying with diameter and finish.

Note: Hastelloy C 276 price reflects its high nickel and molybdenum content, making it more expensive than Alloy 600 but competitive for its performance. Contact Gangsteel for precise quotes.

11. Unique Features of Hastelloy C276

• Superior Corrosion Resistance: Outperforms Alloy 690 in reducing acids and chlorides, ideal for Hastelloy C276 pipe in chemical plants.
• Weldability: Low carbon content ensures corrosion resistance in as-welded conditions, unlike Alloy 263, which may require post-weld treatment.
• High-Temperature Stability: Retains strength up to 1900°F (1038°C), surpassing Alloy 230 in certain applications.
• Versatile Forms: Available as Hastelloy C276 tubing, round bar, pipes, and custom CNC-cut parts for diverse industries.

12. Frequently Asked Questions (FAQ)

1. What is the composition of Hastelloy C276?
   Hastelloy C276 chemical composition includes ~57% nickel, 15-17% molybdenum, 14.5-16.5% chromium, 4-7% iron, and 3-4.5% tungsten, optimized for corrosion resistance.
2. What is the Hastelloy C 276 price?
   Ranges from US $45-75 per kg (FOB), depending on form (plate, pipe, Hastelloy C276 round bar, or tubing). Contact Gangsteel for quotes.
3. Is UNS N10276 magnetic?
   No, UNS N10276 is non-magnetic in annealed and cold-worked conditions, ideal for sensitive applications.
4. What are the applications of Hastelloy C276 pipe?
   Used in chemical processing, oil and gas, and pollution control for handling corrosive fluids and gases.
5. How does Alloy C276 compare to Inconel 625?
   Alloy C276 offers superior resistance to reducing acids and chlorides, while Inconel 625 excels in high-temperature strength.
6. What standards govern Hastelloy C276 tubing?
   ASTM B622 (seamless) and ASTM B619 (welded), with UNS N10276 designation for quality assurance.
7. Can I get a mechanical properties datasheet for C276 material?
   Contact Gangsteel for a PDF detailing tensile, yield, and corrosion data per ASTM standards.

13. Why Gangsteel?

1. Competitive Pricing: Hastelloy C 276 price at US $45-75 per kg (FOB) for plates, pipes, tubing, and round bars.
2. Comprehensive Inventory: Wide range of Hastelloy C276 pipe, tubing, round bar, and custom components.
3. Quality Assurance: EN 10204 3.1/3.2 MTCs and testing per DNV, BV, or SGS standards.
4. Global Delivery: Serving markets in Saudi Arabia, UAE, India, and Europe with efficient logistics.
5. Advanced Fabrication: CNC machining, TIG/MIG welding, and surface treatments for Alloy C276 components.

14. Contact Gangsteel

For inquiries about Hastelloy C276 pipe, Hastelloy C276 round bar, Hastelloy C276 tubing, or other Alloy C276 products, or to request a quote for Hastelloy C 276 price or a mechanical properties datasheet, contact Gangsteel Group’s sales team. Trust Gangsteel for high-quality C276 material tailored to your project’s needs, backed by expertise and reliability as leading Hastelloy C276 suppliers!