Introducing the Copper-Nickel Alloy Tube Sheet / Blind Flange by NHH - The Quintessential Component for Precision Engineering Applications. Elevate your projects with our expertly crafted solutions.
1) Masterfully engineered to perfection, our products adhere strictly to ASTM B171 and other prestigious international standards. Each forging is accompanied by extensive certifications, including the European PED 4.3 or 3.1, 3.2, 3.3, delivering unparalleled quality and dependability.
2) Material Designation: Discover a diverse selection of premium materials, including BFe10-1-1 / C70600 / C7060X / CuNi10Fe1Mn / CuNi9010 / Cu90Ni10 and BFe30-1-1 / C71500 / CuNi30Mn1Fe / CuNi7030 / Cu70Ni30, alongside other specialized alloys, tailored to meet your exacting specifications.
Material Brand of Copper-Nickel Alloy Tube Sheet / Blind Flange: A hallmark of excellence, reflecting superior craftsmanship and cutting-edge metallurgical expertise.
Grade |
USA |
U.K |
Germany |
Japan |
China BG |
ASTM |
BS |
DIN |
JIS H |
BFe10-1-1 |
C70600 |
CN102 |
CuNi10Fe1Mn |
C7060 |
BFe30-1-1 |
C71500 |
CN107 |
CuNi30Mn1Fe |
C7150 |
Unveil our comprehensive portfolio of materials, including C46400, C44300, C36000, CUAL10NI5FE4, BS 1400 LGCS, and other top-tier copper alloy metals, each engineered for exceptional performance and lasting durability.
3) Tubes Temper: Available in a full spectrum of tempers, our products offer the flexibility to adapt seamlessly to your specific applications, with the annealed condition providing optimal performance and versatility.
4) Dimensions: Fully customizable to your meticulous specifications, our products are designed with outer diameters reaching 2000mm and thicknesses up to 800mm, or according to your precise requirements. Length and tolerance are also modifiable to ensure perfect alignment with your unique needs.
5) Our Tube Sheets / Blind Flanges feature a flawless, immaculate surface, underscoring our unwavering commitment to quality and excellence.
6) Application Range: Expertly crafted Copper-Nickel Alloy Tube Sheets / Blind Flanges are tailored for a wide range of applications, from condensers and heat-exchangers to evaporators and beyond. Ideal for marine environments and nuclear power due to their superior corrosion resistance. Made from C70600 Copper Nickel '90/10', these products conform to ASTM B151, MIL C15726F standards, and are celebrated for their durability in seawater applications.
CONSUMER: Our Copper-Nickel products are the epitome of durability for crafting long-lasting screw lamp bases, ensuring outstanding quality and reliability.
INDUSTRIAL: Optimized for industrial applications, including condenser plates, weld torch tips, and heat exchanger tubes. Our components are engineered for exceptional resilience and high efficiency in the most demanding settings.
MARINE: Engineered for marine superiority, our products excel in boat hulls, saltwater piping systems, and various marine applications, guaranteeing robust and enduring performance in challenging saltwater environments.
PLUMBING: Our meticulously crafted flanges, available in multiple sizes, are designed to seamlessly meet the stringent requirements of plumbing applications, ensuring flawless integration and unrivaled durability.
Our bars range from 8mm to 168mm in diameter, meticulously engineered to cater to a vast array of industrial needs with precision and reliability.
Copper-nickel UNS C70600, with a minimum copper content of 88.6%, offers outstanding conductivity and corrosion resistance, making it the material of choice across various industries.
Presented below are the mechanical properties of UNS C70600 tubes, adaptable through specific heat treatments, ensuring optimal performance across diverse applications.
Temper |
Tensile Str. |
Yield Str. |
Elong. |
Rockwell |
B |
C |
F |
30T |
H55 |
414MPa (60ksi) |
393MPa (57ksi) |
10% |
72 |
- |
100 |
70 |
OS025 |
303MPa (44ksi) |
110MPa (16ksi) |
42% |
15 |
- |
65 |
26 |
Detailed herein is the chemical composition of the UNS C70600 copper alloy, meticulously crafted to deliver superior performance in even the most demanding conditions.
Elements |
Content (%) |
Nickel, Ni |
9.0-11.0 |
Iron, Fe |
1.0-1.8 |
Zinc, Zn |
1.0 |
Manganese, Mn |
1.0 |
Lead, Pb |
0.05 |
Copper, Cu |
Remainder |
For equivalent materials to the UNS C70600 copper alloy, refer to the table below, offering flexible options for material selection across various applications.
ASME SB111 |
ASME SB171 |
ASME SB359 |
ASME SB466 |
ASME SB467 |
ASME SB395 |
ASME SB543 |
ASTM B111 |
ASTM B151 |
ASTM B122 |
ASTM B171 |
ASTM B359 |
ASTM B395 |
ASTM B432 |
ASTM B466 |
ASTM B469 |
ASTM B543 |
ASTM B608 |
DIN 2.0872 |
MIL C-15726 |
MIL T-15005 |
MIL T-16420 |
MIL T-22214 |
SAE J461 |
SAE J463 |
Company Reference


Jiangyin - A nucleus of precision engineering and avant-garde metallurgical innovation.Hehong Precision Technology - Trailblazers in copper alloy solutions, delivering state-of-the-art technology and unrivaled expertise. (HHP COPPER /Jiangyin New Huahong Copper Industry Co., Ltd.) proudly stands as a subsidiary of the illustrious Huahong Group (A-STOCK: 002645.SZ). Strategically positioned in the eastern heart of China, near the bustling metropolis of Shanghai, we are recognized as a leading manufacturer of superior copper alloy products.
At Gansu Hehong New Materials Co., Ltd., we embody a forward-thinking development strategy, placing technological innovation at the forefront of our journey towards success. By nurturing a dynamic team of extraordinary professionals, we consistently lead the charge in groundbreaking product creation, technical enhancement, and process ingenuity. New Huahong has earned a reputation for excellence throughout China, bolstered by our meticulous production procedures and rigorous quality inspections. Our notable annual production capacity of around 30,000 tons of top-tier copper products is a testament to our dedication. Our diverse and comprehensive product line features an array of copper and alloy condensate tubes, grand-scale copper nickel alloy pipes, cutting-edge high-efficiency heat exchanger tubes, durable nickel-based corrosion-resistant alloy tubes, and immaculate oxygen-free copper rods and wires. We also offer specialized railway grounding wires, crafted with the latest high-tech innovations.Our products serve as critical components across a wide range of industries, playing vital roles in seawater desalination, nuclear power generation, petrochemical processing, marine vessel construction, steam turbine manufacturing, pressure vessel creation, heat exchanger fabrication, air conditioning systems, household electronics, railway infrastructure, and urban railway networks. We take pride in our contributions to the development of national standards for tubes used in nuclear applications, vacuum electrical magnetrons, and precision pressure gauges.
Driven by our core values of human-centric excellence, relentless quality, steadfast integrity, and mutually rewarding partnerships, we elevate our core competencies through extensive production capabilities, premium product lines, cost-efficient strategies, and strategic market positioning. This solid foundation empowers us to excel in competitive markets, maintaining steadfast product quality and delivering unrivaled service excellence.
Additionally, ourexpertise extends to authoring the esteemed National Standard for copper alloy seamless tubes and pipes tailored specifically for the Nuclear Power industry,demonstrating our commitment to advancing industry standards.