CuNi15sn8 ASTM B740 Ultra High Pressure Solutions for Piping

• Customization: Available
• Application: Fire Sprinkler Systems, HVAC Systems, Medical Gas Systems, Plumbing, Refrigeration
• certification: CE, ISO9001
• 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 exceptional CuNi15Sn8 ASTM B740 Ultra High Pressure Solutions for Piping by Gansu Hehong New Materials Co., Ltd. A revolutionary product engineered to cater to 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: This innovative product is defined by its robust structure and superior durability, ensuring unparalleled performance in high-pressure 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 exceptional efficiency and reliability with the CuNi15Sn8, designed to withstand the toughest conditions, providing peace of mind and operational excellence.

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: Perfectly suited for a variety of applications, this product excels in environments such as seawater desalination, nuclear power, petrochemical industries, marine applications, steam turbines, pressure vessels, heat exchangers, central air-conditioning systems, household appliances, and railway transit solutions.

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: The CuNi15Sn8 boasts impressive physical properties, setting a new benchmark for ultra-high pressure piping solutions.

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 our advanced processing routes tailored to enhance product performance and durability.

1) CNS-CSH (Casting Spinodal Hardening): A cutting-edge process that enhances material strength and resilience, ensuring long-term reliability.

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): A sophisticated method that increases ductility and toughness, perfect for critical 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 integration
Aging Treatment	350-450°C × 2-4 hrs
Stress Relief	250-300°C × 1-2 hrs

3) CNS-CWSH (Cold Worked Spinodal Hardening): Employing state-of-the-art techniques to maximize material hardness and wear resistance.

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: We maintain rigorous quality assurance standards, ensuring every product meets and exceeds industry regulations and customer expectations.

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

 

Jiangyin Hehong Precision 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.

We specialize in producing high-quality copper and copper alloy products (admiralty brass/naval brass, aluminum brass, cupronickel/copper nickel) including 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 impressive annual production capacity exceeding 30,000 tons, our products excel in critical applications such as seawater desalination, nuclear power, petrochemical, marine, steam turbines, pressure vessels, heat exchangers, central air-conditioning, household appliances, and railway transit.
And we proudly authored the National Standard for copper alloy seamless tubes/pipes used in Nuclear Power! We are committed to leading the industry by example, setting the standards for excellence and innovation.