TOBO Nickel Alloy Pipes: Mastering Corrosion & Heat to ASME Standards

Product Introduction

Overview
TOBO Nickel Alloy Pipes are designed to address the most challenging operational conditions in modern industry, where extreme temperatures and aggressive corrosives converge. Engineered and produced in strict accordance with ASME standards, these high-performance pipes utilize specialized nickel-chromium-iron and nickel-chromium-molybdenum alloys. They deliver unmatched resistance to oxidation, carburization, and a vast spectrum of corrosive media, including chlorides and acids. As a cornerstone for reliability in critical systems, they ensure operational continuity, safety, and long-term asset protection in sectors where material performance directly impacts profitability and safety.

1. Product Description
Our product line encompasses pipes fabricated from a selection of premium nickel-based superalloys, such as Alloy 625 (excellent strength and fatigue resistance), Alloy 825 (superior resistance to reducing and oxidizing acids), and Alloy C-276 (exceptional versatility in harsh chemical environments). Available in both seamless (hot-finished and cold-drawn) and welded forms, each pipe is subjected to precise thermal processing to achieve the specified metallurgical structure, ensuring optimal mechanical properties and corrosion resistance for its intended service.

2. Key Specifications

• Governed Standards: Compliant with ASME SB-163 (Seamless), SB-517 (Welded), and specific ASTM material standards for each alloy grade.

• Featured Alloys: UNS N06625 (Alloy 625), N08825 (Alloy 825), N10276 (Alloy C-276), N06601 (Alloy 601).

• Dimensional Compliance: Manufactured to ASME B36.10M and B36.19M, ensuring precise integration into existing piping systems.

• Available Range: Standard sizes from NPS 1/4" to 20", with wall thicknesses to meet various pressure class requirements (Schedule 5S through XXS).

• Performance Envelope: Suited for continuous service from sub-zero temperatures up to approximately 1150°C (2100°F) for high-temperature grades.

3. Application
TOBO Nickel Alloy Pipes are deployed in critical applications across advanced industries:

• Chemical Processing Industry (CPI): For reactors, columns, and interconnecting piping handling chlorides, sulfuric acid, and other severe corrodents.

• Oil & Gas Refining: In furnace convection and radiant sections, reformer tubes, and components exposed to sulfidation and high-temperature hydrogen attack.

• Pollution Control & Waste Processing: For scrubbers, ducting, and chimneys in Flue Gas Desulfurization (FGD) and waste incineration plants.

• Nuclear & Conventional Power: Used in steam generator tubing, control rod drive mechanisms, and high-temperature heat exchangers.

• Marine & Offshore: Applicable for seawater cooling systems and components requiring resistance to seawater-induced pitting and crevice corrosion.

4. Key Advantages

• Broad-Spectrum Corrosion Resistance: Offers superior performance in both oxidizing and reducing atmospheres, resisting pitting, crevice corrosion, and stress corrosion cracking (SCC).

• High-Temperature Mechanical Stability: Retains significant strength and resists deformation (creep) under sustained high-temperature and high-pressure conditions.

• Proven Fabricability: Despite their high strength, these alloys can be successfully welded, bent, and formed using established procedures, facilitating complex installations.

• Long-Term Economic Value: The extended service life and reduced downtime in punishing environments translate to a lower total cost of ownership despite a higher initial material cost.

• Material Reliability: Supplied with full traceability and certified test reports, providing assurance of chemical composition and mechanical properties as per ASME requirements.

5. Function
The essential function of TOBO Nickel Alloy Pipes is to act as a high-integrity, durable conduit that maintains system safety and process efficiency under extreme thermo-chemical stress. They are designed to reliably contain aggressive fluids and gases at high temperatures and pressures, facilitate efficient heat transfer in demanding thermal cycles, and protect overall plant integrity by preventing contamination or failure at critical points in the process flow. Their performance is fundamental to enabling next-generation industrial processes with higher efficiencies and stricter environmental controls.

Payment & Invoicing

1. First-Time Clients: 50% advance payment, 50% balance before shipment.
2. Strategic Clients: 30% advance, 70% payment against copy of Bill of Lading.
3. Long-Term Agreements: 60-day credit terms available (subject to credit approval).
4. Invoicing: 13% VAT Special Invoice provided; FORM A Certificate of Origin for exports.
5. fication System: Laser marking includes material code, pressure rating, and flow direction arrows.

FAQ

1. Are you trading company or manufacturer ?
We are manufacturer ,You can see the Alibaba certification.
2. How long is your delivery time?
Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
3. Do you provide samples ? is it free or extra ?
Yes, we could offer the sample for free charge but need pay the cost of freight.
4. What is your terms of payment ?
Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.