Experience unmatched precision and quality with our Copper-Nickel Alloy Tube Sheet / Blind Flange by NHH - Your definitive choice for precision engineering.
1) Crafted with meticulous precision, our products strictly adhere to ASTM B171 and other globally recognized standards, delivering exceptional quality. Each forging is accompanied by comprehensive certification, including Europe PED 4.3 or 3.1, 3.2, 3.3, ensuring unparalleled reliability and trust.
2) Material Designation: Select from a prestigious array of premium materials such as BFe10-1-1 / C70600 / C7060X / CuNi10Fe1Mn / CuNi9010 / Cu90Ni10 and BFe30-1-1 / C71500 / CuNi30Mn1Fe / CuNi7030 / Cu70Ni30, or choose other specialized alloys specifically curated to meet your exacting needs.
The Material Brand of Copper-Nickel Alloy Tube Sheet / Blind Flange embodies superior craftsmanship, showcasing advanced metallurgical expertise and dedication to excellence.
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 |
Dive into our extensive collection of materials, including C46400, C44300, C36000, CUAL10NI5FE4, BS 1400 LGCS, and other high-grade copper alloy metals, each offering unprecedented performance and exceptional durability.
3) Tubes Temper: Our products are available in a range of tempers, with the annealed condition offering optimal performance and adaptability for diverse applications.
4) Dimensions: Our offerings are meticulously tailored to exact specifications, with customizable outer diameters up to 2000mm and thicknesses up to 800mm, or according to your unique requirements. Length and tolerance are also precisely adaptable to your specific needs.
5) Our Tube Sheets / Blind Flanges feature a pristine, immaculate surface, underscoring our unwavering commitment to quality and excellence.
6) Application Range: Our expertly engineered Copper-Nickel Alloy Tube Sheets / Blind Flanges cater to a broad spectrum of applications, from condensers and heat-exchangers to evaporators and beyond. Ideal for marine environments and nuclear power due to their superb corrosion resistance, these products are crafted from C70600 Copper Nickel '90/10', compliant with ASTM B151, MIL C15726F standards, and celebrated for their resilience in sea water services.
CONSUMER: Our Copper-Nickel products are the perfect choice for crafting durable screw lamp bases, delivering enduring quality and superior performance.
INDUSTRIAL: Engineered for excellence, our products are perfect for industrial applications like condenser plates, weld torch tips, heat exchanger tubes, and more. Our components are designed for resilience and exceptional performance in demanding industrial environments.
MARINE: Created for marine mastery, our products excel in boat hulls, saltwater piping systems, and other marine applications, ensuring robust and reliable performance in challenging saltwater environments.
PLUMBING: Our flanges, available in diverse sizes, are crafted with precision to meet the exacting demands of plumbing applications, ensuring flawless integration and exceptional durability.
Our bars, available in diameters from 8mm to 168mm, are meticulously tailored to meet a wide array of industrial demands with precision, reliability, and consistency.
With a minimum copper content of 88.6%, Copper-nickel UNS C70600 ensures superior conductivity and corrosion resistance, making it an industry-favorite choice.
Discover the mechanical properties of UNS C70600 tubes below, crafted to vary based on specific heat treatments, ensuring optimal performance tailored to your application needs.
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 |
Outlined here is the chemical composition of the UNS C70600 copper alloy, meticulously crafted to deliver outstanding performance in challenging 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 |
Refer to the following table for equivalent materials to the UNS C70600 copper alloy, offering flexibility in material selection to suit diverse application requirements.
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 - The epicenter of precision engineering and metallurgical innovation.Hehong Precision Technology - Leaders in copper alloy solutions, delivering cutting-edge technology and unparalleled expertise. (HHP COPPER / Jiangyin New Huahong Copper Industry Co., Ltd.) takes pride in being a vital extension of the Huahong Group (A-STOCK: 002645.SZ), an esteemed name in the realm of copper alloy products. Nestled strategically in the eastern corridor of China, in close proximity to the vibrant city of Shanghai, our company stands as a testament to the group's legacy of excellence and innovation.
Gansu Hehong New Materials Co., Ltd. has adopted a forward-thinking approach that places technological advancement at the forefront of our journey towards prosperity. By nurturing a team of exceptional talent, we fuel our relentless pursuit of groundbreaking product development, technical innovation, and meticulous process enhancement. As a shining beacon of excellence within China, New Huahong is celebrated for its state-of-the-art production capabilities and stringent inspection standards, culminating in a commendable annual output of approximately 30,000 tons of superior quality copper products. Our expansive suite of products features a diverse array of copper and alloy condensate tubes, large-diameter copper nickel alloy pipes, and advanced high-efficiency heat exchanger tubes. Additionally, we offer formidable nickel-based corrosion-resistant alloy tubes and pristine oxygen-free copper rods and wires. These offerings are further elevated by our innovative high-tech specialized railway grounding wires, ensuring cutting-edge solutions for our clientele.Our versatile products are indispensable across a multitude of sectors, providing crucial support in seawater desalination, nuclear power generation, petrochemical processes, marine vessels, steam turbines, pressure vessels, heat exchangers, and air conditioning systems. They also serve household electronics, railway infrastructure, and urban railway networks. Moreover, we proudly contribute to national standards development for tubes used in nuclear applications, vacuum electrical magnetrons, and precision pressure gauges, underscoring our commitment to advancing industry benchmarks.
Driven by our core principles of human-centric excellence, unparalleled quality, steadfast integrity, and mutually beneficial partnerships, we fortify our competitive edge through large-scale production, superior product offerings, cost-efficient strategies, and innovative market positioning. This robust framework empowers us to excel in competitive environments, ensuring unwavering product quality and unmatched service excellence.
Additionally, wehad the honor of authoring the prestigious National Standard for copper alloy seamless tubes and pipes specifically engineered for the Nuclear Power industry.