TOBO China, a leading manufacturer of industrial piping components, has announced the expansion of its production capabilities for high-grade copper-nickel (CuNi) forged flanges. The company now offers comprehensive solutions in CuNi 70/30 alloy flanges compliant with ASME B16.5 standards, covering pressure classes from 150 to 2500. This development addresses the growing global demand for corrosion-resistant piping solutions in marine, offshore, and chemical processing applications.
Premium Material Specifications for Demanding Environments
The newly expanded product line features CuNi 70/30 (UNS C71500) alloy flanges, renowned for their exceptional performance characteristics:
Superior corrosion resistance in seawater and marine environments
Excellent resistance to biofouling and microbiologically influenced corrosion
High thermal conductivity and temperature stability
Outstanding mechanical properties at both high and low temperatures
These flanges are particularly suitable for:
• Offshore oil and gas platforms
• Desalination plants
• Shipbuilding and marine engineering
• Power plant condensers
• Chemical processing equipment
Precision Manufacturing and Quality Assurance
TOBO China's manufacturing process ensures the highest quality standards:
Forging Process: Hot-forged from premium-grade CuNi 70/30 billets for optimal grain structure
Machining: CNC precision machining guarantees dimensional accuracy to ASME B16.5 specifications
Testing Protocol: Includes hydrostatic testing, PMI verification, and full NDT inspection
Surface Finish: Smooth machined surfaces ensure perfect sealing performance
Complete Range of Pressure Classes and Sizes
The expanded product line covers:
Pressure Ratings: Class 150, 300, 600, 900, 1500, and 2500
Size Range: From ½" to 24" nominal pipe sizes
Flange Types: Weld neck, slip-on, blind, socket weld, and lap joint
Facing Options: Raised face (RF), flat face (FF), and ring-type joint (RTJ)
Certifications and Compliance
All TOBO China CuNi 70/30 flanges come with:
Full ASME B16.5 compliance
PED 2014/68/EU certification
NACE MR0175 compliance for sour service
Complete material traceability
Mill test certificates with chemical and mechanical properties
Global Supply Chain and Customer Support
TOBO China has strengthened its global distribution network to ensure:
Competitive lead times for standard and custom orders
Worldwide shipping with proper documentation
Technical support for material selection and application engineering
Comprehensive after-sales service
Customization and Special Requirements
The company offers various customization options:
Special coatings and surface treatments
Non-standard sizes and configurations
Laser marking for enhanced traceability
Client-specific packaging requirements
Industry Applications and Success Stories
Recent notable applications include:
Seawater cooling systems for Middle East power plants
Ballast water treatment systems for LNG carriers
Chemical processing units in Southeast Asian refineries
Offshore platform piping systems in the North Sea
Quality Control and Testing Procedures
TOBO China implements rigorous quality control measures:
Spectrochemical analysis for material verification
Dimensional inspection with CMM technology
Hydrostatic testing at 1.5 times working pressure
Visual and NDT examination per ASTM standards
Future Developments and Market Outlook
TOBO China plans to further expand its copper-nickel product line to include:
CuNi 90/10 alloy components
Specialty valves and fittings
Custom fabricated piping solutions
Enhanced corrosion-resistant coatings
Environmental and Sustainability Considerations
The company emphasizes sustainable manufacturing practices:
Efficient use of raw materials
Energy-saving production processes
Recyclable packaging solutions
Compliance with international environmental standards
How to Order and Sample Program
TOBO China offers:
Free samples for evaluation
Detailed technical documentation
Factory audit opportunities
Dedicated account management
Conclusion
With this expansion of its CuNi 70/30 forged flange production, TOBO China reinforces its position as a global leader in high-performance piping components. The company's commitment to quality, technical expertise, and customer-focused service makes it the preferred partner for industrial flange requirements in the most demanding environments worldwide.