Copper-Nickel Alloy Tube Sheet / Blind Flange by NHH - Your Premier Choice for Precision Engineering Mastery.
1) Expertly crafted to exacting precision, our products meet prestigious standards such as ASTM B171. Each piece comes with exhaustive certifications, including Europe PED 4.3 or 3.1, 3.2, 3.3, assuring unsurpassed quality and dependability.
2) Material Designation: Select from a premium palette of materials, including BFe10-1-1 / C70600 / C7060X / CuNi10Fe1Mn / CuNi9010 / Cu90Ni10 and BFe30-1-1 / C71500 / CuNi30Mn1Fe / CuNi7030 / Cu70Ni30, or opt for other bespoke alloys tailored to your precise requirements.
Material Brand of Copper-Nickel Alloy Tube Sheet / Blind Flange: This is a hallmark of exceptional craftsmanship and cutting-edge metallurgical skill.
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 |
Delve into our comprehensive selection of materials, including C46400, C44300, C36000, CUAL10NI5FE4, BS 1400 LGCS, and other top-tier copper alloy metals, each promising peerless performance and longevity.
3) Tubes Temper: Our offerings are available in a full spectrum of tempers, with the annealed condition promising peak performance and versatility across a multitude of applications.
4) Dimensions: Crafted to your precise specifications, our products offer customizations with outer diameters reaching up to 2000mm and thicknesses up to 800mm, or tailored to your specific demands. Length and tolerance are also customizable to your exact preferences.
5) Our Tube Sheets / Blind Flanges feature an immaculate and flawless surface, underscoring our unwavering commitment to superior quality and excellence.
6) Application Range: Our Copper-Nickel Alloy Tube Sheets / Blind Flanges are meticulously engineered for a breadth of applications, such as condensers, heat-exchangers, evaporators, and beyond. Ideal for marine settings and nuclear power due to outstanding corrosion resistance. Crafted from C70600 Copper Nickel '90/10', these products fulfill ASTM B151, MIL C15726F standards, and are celebrated for their durability in saltwater service.
CONSUMER: Our Copper-Nickel products are the quintessential choice for crafting robust screw lamp bases, delivering enduring quality and performance.
INDUSTRIAL: Perfectly suited for industrial applications, including condenser plates, weld torch tips, heat exchanger tubes, and more. Our components are engineered for durability and peak performance in challenging environments.
MARINE: Engineered for marine superiority, our products are ideal for boat hulls, saltwater piping systems, and additional marine uses. Guaranteeing sturdy and enduring operation in maritime environments.
PLUMBING: Our meticulously crafted flanges, available in numerous sizes, are engineered to meet the specific demands of plumbing applications, ensuring flawless integration and remarkable durability.
Our bars, available in diameters from 8mm to 168mm, are tailored to fulfill a diverse range of industrial requirements with precision and trustworthiness.
Copper-nickel UNS C70600 offers a minimum copper content of 88.6%, ensuring outstanding conductivity and corrosion resistance, making it a sought-after choice in numerous industries.
Outlined below are the mechanical properties of UNS C70600 tubes, which vary based on specific heat treatments, ensuring optimal performance tailored to your application.
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, engineered to deliver exceptional performance in demanding environments.
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 for varied 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 Nexus of Precision Engineering and Metallurgical Brilliance.Hehong Precision Technology - Innovators in Copper Alloy Solutions, Providing State-of-the-Art Technology and Unmatched Expertise. (HHP COPPER /Jiangyin New Huahong Copper Industry Co., Ltd.) proudly stands as a premier branch of the renowned Huahong Group (A-STOCK: 002645.SZ), a leading manufacturer of superior copper alloy products. Strategically located in the vibrant eastern region of China, this esteemed establishment offers unparalleled convenience and access to Shanghai.
Gansu Hehong New Materials Co., Ltd. passionately embraces a forward-thinking development strategy. With technological advancement as our cornerstone for prosperity, we empower a dedicated team of exceptional talent. Our relentless pursuit of pioneering product development, cutting-edge technical innovation, and meticulous process refinement have solidified New Huahong's status as a beacon of excellence across the nation. Celebrated for our comprehensive production processes, combined with rigorous inspection protocols, we proudly maintain an impressive annual production capacity of approximately 30,000 tons of premium-grade copper products. Our extensive and diverse product range features superior copper and alloy condensate tubes, large-diameter copper nickel alloy pipes, advanced high-efficiency heat exchanger tubes, resilient nickel-based corrosion-resistant alloy tubes, and pristine oxygen-free copper rods and wires. This collection is further enhanced by our groundbreaking high-tech specialized railway grounding wires, setting a new standard in innovation.Our high-performing products are instrumental in a vast array of industries, fulfilling essential roles in seawater desalination, nuclear power generation, petrochemical operations, marine vessels, steam turbines, pressure vessels, heat exchangers, air conditioning systems, household electronics, railway infrastructure, and urban railway networks. With pride, we have significantly contributed to the formulation of national standards for tubes used in critical nuclear applications, vacuum electrical magnetrons, and precision pressure gauges.
Driven by our core values of human-centric excellence, unrivaled quality, unwavering integrity, and symbiotic partnerships, we enhance our core competencies through expansive production, premium product offerings, cost-effective strategies, and strategic market positioning. This solid foundation empowers us to excel in competitive markets, ensuring unwavering product quality and exceptional service excellence.
Additionally, we are proud tohave authored the highly esteemed National Standard for copper alloy seamless tubes and pipes, meticulously designed for the Nuclear Power industry.