400 Nickel Alloy Seamless Tube 3/4

400 Nickel Alloy Seamless Tube 3/4" 16 BWG Bright Annealing ASTM B165 

Company Profile

Since its establishment in 2006, MTSCO has grown into a leading metal materials service provider. We integrate our holding factories to build a unique “factory complex” model, ensuring quality and cost control from the source. Our product portfolio comprehensively covers high-end materials such as stainless steel, duplex steel, and nickel alloy, backed by a complete ISO, PED, M650, and AD2000 certification system. Every 400 nickel alloy seamless tube you purchase originates from the fully equipped and certified HUXIN PIPE. With 36 years of specialized tube manufacturing expertise, this plant delivers consistently trusted quality. Contact us for precise quotations and tailored solutions for your project.

Single Process Introduction : Bright Annealing

Bright annealing is a critical process in manufacturing nickel alloy tubes. It is performed in a sealed furnace filled with precisely controlled hydrogen or vacuum protective atmosphere. This process thoroughly eliminates cold-working stresses within the tube, recrystallizes and softens the microstructure, restoring the material's optimal plasticity and toughness. Crucially, the protective gas prevents surface oxidation at high temperatures, eliminating the need for traditional pickling. The result is tubing with a smooth, clean, bright surface free of scale. MTSCO's holding company factories are equipped with advanced bright annealing furnaces. We rigorously apply this process to premium products like 400 series alloys. Our equipment enables precise control of every parameter, ensuring each tube you receive delivers consistent performance, a brilliant surface finish, and optimal corrosion resistance.

Material Properties

Monel 400 (UNS N04400) is a nickel-copper alloy renowned for its exceptional corrosion resistance. It excels in seawater, salt solutions, alkaline media, and steam environments. It also exhibits excellent resistance to chloride stress corrosion cracking. This alloy maintains high strength and toughness across a wide temperature range, with stable mechanical properties. 400 alloy tubes supplied by MTSCO fully comply with ASTM B165 standards. They offer excellent machinability and weldability to meet your project requirements.

Specifications Of 400 Nickel Alloy Tube

FAQ for 400 Nickel Alloy Seamless Tube

Q1: Can you provide material compliant with NACE MR0175 standards?

A1: Yes. 400 nickel alloy inherently possesses excellent resistance to sulfide stress cracking. Please clearly specify your NACE application requirements when placing your order. We will ensure the supplied material undergoes specialized heat treatment and testing to meet NACE MR0175/ISO 15156 standards.

Q2: How are the tubes packaged? How do you ensure safe transportation?

A2: We utilize industrial-grade export packaging. Each tube is individually wrapped in bubble wrap with plastic end caps, then securely fastened in reinforced wooden cases or pallets. This packaging effectively prevents impact damage, moisture ingress, and deformation during long-distance shipping.

Q3: Do you accept third-party inspections?

A3: Absolutely. We encourage and support on-site inspections by authoritative third-party agencies such as SGS, TUV, and BV prior to shipment. MTSCO's transparent production system and comprehensive quality control records ensure your inspection process is efficient.