ASME SB 407 UNS N08800 WELDED PIPES

ASME SB 407 UNS N08800 Welded Pipes

ASME SB 407 UNS N08800 Welded Pipes are high-quality nickel-iron-chromium alloy piping solutions engineered for excellent strength and resistance to oxidation and carburization at elevated temperatures. Manufactured from Nickel Alloy 800 (UNS N08800), these welded pipes offer reliable performance in high-heat and high-pressure industrial environments.

Produced in accordance with ASME SB 407 specifications, UNS N08800 Welded Pipes provide superior resistance to stress rupture, creep, and scaling in continuous service conditions. With advanced welding techniques and strict dimensional control, these pipes ensure structural stability and long-term durability in critical applications.

Specifications of ASME SB 407 UNS N08800 Welded Pipes

Product Type	ASME SB 407 UNS N08800 Welded Pipes
Material Grade	Nickel Alloy 800 (UNS N08800)
Standard	ASME SB 407 / ASTM B407
Manufacturing Process	Welded (ERW / TIG / Laser Welded)
Size Range	1/8" NB to 48" NB (Custom Sizes Available)
Wall Thickness	SCH 5 to SCH XXS
Length	Single Random / Double Random / Cut Length
Surface Finish	Pickled / Annealed / Polished / As Welded

Key Benefits

• Excellent High-Temperature Strength: Resists creep and stress rupture in elevated temperatures.
• Oxidation & Carburization Resistance: Suitable for continuous service in high-heat environments.
• Good Corrosion Resistance: Performs well in oxidizing and reducing atmospheres.
• Structural Stability: Maintains metallurgical stability during prolonged exposure to heat.
• Strong Weld Integrity: Precision welding ensures durable and leak-proof seams.
• Good Fabricability: Easily formed and welded for complex industrial systems.
• Long Service Life: Reduces maintenance and operational downtime.

Applications of ASME SB 407 UNS N08800 Welded Pipes

• Petrochemical Industry: High-temperature process piping systems.
• Power Generation Plants: Superheaters and reheaters.
• Heat Treatment Equipment: Furnace components and radiant tubes.
• Chemical Processing: Handling high-temperature corrosive media.
• Oil & Gas Industry: Refinery and thermal processing systems.

Quality Assurance

ASME SB 407 UNS N08800 Welded Pipes undergo strict inspection and testing procedures to ensure full compliance with ASME and ASTM standards.

• Chemical Composition Testing: Verification of nickel, chromium, and iron content.
• Mechanical Testing: Tensile strength, hardness, and flattening tests.
• Non-Destructive Testing (NDT): Radiographic and ultrasonic inspection.
• Hydrostatic Testing: Pressure testing for leak-proof performance.
• Certification: Mill Test Certificates (MTC) as per EN 10204 3.1.

Conclusion

ASME SB 407 UNS N08800 Welded Pipes provide excellent high-temperature strength, oxidation resistance, and reliable welded construction for demanding industrial environments. Manufactured to stringent international standards, these pipes ensure durability, safety, and long-term operational efficiency.