ASTM B740 CuNi15zn15 for High Temperature Ultra High Pressure Systems

• Customization: Available
• Application: Fire Sprinkler Systems, HVAC Systems, Plumbing, Refrigeration
• certification: ASTM
• Model NO.: ASTM B740
• Length: Customized
• Outer Diameter: Customized
• Temperature Classification: High Temperature Piping
• MPa Classfication: Ultra High Pressure Piping
• Material: Copper Alloy
• Standard: ASTM, GB, API, DIN, JIS, BS
• Medium: Liquid
• Cross-Section Shape: Round
• Connection Type: Seamless
• Diameter: 419mm
• Transport Package: Wooden Case
• Specification: 1.2m*1.2m*L
• Trademark: Hehong
• Origin: China
• Production Capacity: 600ton/Month
• Package Size: 80.00cm * 80.00cm * 80.00cm
• Package Gross Weight: 1.000kg

Product Description

1. Product Overview: Discover the marvel of engineering with the ASTM B740 CuNi15Zn15, a cutting-edge solution designed for high-temperature ultra-high pressure systems. This innovative product represents the pinnacle of performance and reliability, tailored to meet the demanding needs of modern industries.

Attribute	Description
Standard	ASTM B740
Material	CuNi15Sn8 (C72900) Spinodal Alloy
Key Features	Ultra-high strength, corrosion resistance, thermal stability, excellent fatigue resistance
Processing Routes	CNS-CSH (Casting), CNS-HWSH (Hot Worked), CNS-CWSH (Cold Worked)

2. Core Features: Unlock the potential of your applications with the outstanding core features of ASTM B740 CuNi15Zn15. This product boasts unrivaled thermal stability, exceptional corrosion resistance, and robust mechanical properties, ensuring it stands out as a top choice for challenging environments.

Property	Value/Description
Tensile Strength	900-1,200 MPa (varies by temper)
Electrical Conductivity	5-7% IACS
Thermal Conductivity	40-50 W/(m·K)
Hardness	300-350 HV
Elongation	≥5%

3. Key Advantages: Experience a host of key advantages with ASTM B740 CuNi15Zn15. Benefit from its superior performance under extreme conditions, long-lasting durability, and unparalleled adaptability, making it the ideal solution for a diverse range of high-stakes applications.

Advantage	Technical Benefit
Spinodal Hardening	Nanoscale phase separation for exceptional strength without sacrificing ductility
Corrosion Resistance	Excellent performance in marine, chemical, and high-humidity environments
Fatigue Resistance	Withstands cyclic loading (1/3 of tensile strength at 10^7 cycles)
Dimensional Stability	Minimal deformation under extreme temperatures (up to 200°C)

4. Applications: The versatility of ASTM B740 CuNi15Zn15 knows no bounds. Perfectly suited for high-temperature ultra-high pressure systems, it excels in industries such as nuclear power, petrochemical, marine, and beyond, ensuring your operations run smoothly and efficiently.

Industry	Typical Components
Electronics	High-speed connectors, relay springs, MEMS components
Aerospace	Fasteners, bearing cages, actuator parts
Oil & Gas	Downhole tools, valve components, drilling equipment
Industrial	Precision springs, corrosion-resistant fasteners, molds

5. Physical Properties: Dive into the impressive physical properties of ASTM B740 CuNi15Zn15 that make it a leader in its field. From its unique composition to its outstanding performance metrics, every aspect is engineered to meet the highest standards of quality and excellence.

Property	Value
Density	8.82 g/cm³
Thermal Expansion	17.6 ×10^-6/K (0-300°C)
Elastic Modulus	131 GPa
Poisson's Ratio	0.34

6. Processing Routes: Explore the sophisticated processing routes designed to bring out the best in ASTM B740 CuNi15Zn15. These meticulously crafted methods ensure optimal performance and consistency, tailored to meet the precise demands of your industry.

1) CNS-CSH (Casting Spinodal Hardening): This advanced technique enhances the material's performance, ensuring superior mechanical properties and reliability in even the most demanding applications.

Step	Description
Non-vacuum semi-continuous casting	Gas protection + electromagnetic stirring for uniform microstructure
Homogenization	850-900°C × 4-8 hrs to eliminate segregation
Solution Treatment	800-850°C × 1-2 hrs followed by rapid cooling
Aging Treatment	350-450°C × 2-4 hrs to achieve spinodal hardening
Stress Relief	250-300°C × 1-2 hrs to minimize residual stresses

2) CNS-HWSH (Hot Worked Spinodal Hardening): Experience enhanced durability and strength with our Hot Worked Spinodal Hardening process, tailored to deliver exceptional results for high-pressure systems.

Step	Description
Non-vacuum semi-continuous casting	Gas protection + electromagnetic stirring
Homogenization	850-900°C × 4-8 hrs
Hot Extrusion (Water-sealed)	Form rods/tubes with solution treatment integration
Aging Treatment	350-450°C × 2-4 hrs
Stress Relief	250-300°C × 1-2 hrs

3) CNS-CWSH (Cold Worked Spinodal Hardening): Our Cold Worked Spinodal Hardening method offers unparalleled precision and strength, making it the preferred choice for high-performance applications.

Step	Description
Non-vacuum semi-continuous casting	Gas protection + electromagnetic stirring
Homogenization	850-900°C × 4-8 hrs
Hot Extrusion (Water-sealed)	Form rods/tubes with solution treatment
Cold Working	Drawing/rolling to achieve controlled deformation (20-50%)
Aging Treatment	350-450°C × 2-4 hrs
Stress Relief	250-300°C × 1-2 hrs

7. Quality Assurance: At Gansu Hehong New Materials Co., Ltd., quality assurance is our hallmark. Our rigorous testing and quality control processes guarantee the ASTM B740 CuNi15Zn15 meets the highest standards of excellence and reliability.

Certification	Compliance
ASTM B740	Full compliance with mechanical & chemical requirements
RoHS/ELV	Lead-free (Pb <0.05%)
Test Reports	Mill test certificates (EN 10204 3.1) available upon request

Company Reference: Gansu Hehong New Materials Co., Ltd. stands as a beacon of innovation and quality in the field of copper alloy products.

 

Jiangyin: Strategically located near Shanghai, our Jiangyin division is a hub of precision engineering and manufacturing excellence. Hehong Precision: Renowned for its unmatched precision and quality, Hehong Precision is synonymous with excellence in the production of copper alloy products. Technology (HHP COPPER /Jiangyin New Huahong Copper Industry Co., Ltd.) is a distinguished branch of the Huahong Group (A-STOCK : 002645.SZ). Located conveniently near Shanghai, it stands as a prominent Copper Alloy products manufacturer in eastern China. With a legacy of quality and innovation, HHP COPPER is committed to delivering top-tier copper solutions.

We specialize in the production of copper and copper alloy (admiralty brass/naval brass, aluminum brass, cupronickel/copper nickel) condenser tubes, efficient heat exchange tubes, large diameter copper nickel pipes, copper alloy forged flanges, oxygen-free copper products, and railway ground cables. With an annual production capacity exceeding 30,000 tons, our products excel in applications such as seawater desalination, nuclear power, petrochemical, marine, steam turbines, pressure vessels, heat exchangers, central air-conditioning, household appliances, and railway transit. Our commitment to excellence ensures our products lead the industry in quality and performance.
And we proudly authored the National Standard for copper alloy seamless tubes/pipes used in Nuclear Power! A testament to our dedication to innovation and quality in the copper alloy industry.