CuNi15sn8 High Temperature Piping ASTM B740 for Heavy Duty Use

• 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 pinnacle of high-performance piping with our CuNi15Sn8 High Temperature Piping, meticulously crafted to adhere to ASTM B740 standards. Engineered for the most demanding heavy-duty applications, this piping solution represents the perfect blend of innovation and durability.

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 Our CuNi15Sn8 piping boasts hallmark characteristics that set it apart: exceptional resistance to high temperatures, unparalleled strength, and remarkable longevity. Designed to meet rigorous specifications, it ensures optimal performance even in the harshest 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 multitude of benefits with our piping solution: superior thermal stability, enhanced corrosion resistance, and a robust structure that guarantees minimal maintenance. These advantages translate into significant long-term cost savings and reliability you can depend on.

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 Our CuNi15Sn8 piping is versatile, serving a wide array of industries. It is an ideal choice for sectors such as petrochemical, marine, nuclear power, and heavy engineering. Its high-temperature capabilities make it indispensable in environments where performance cannot be compromised.

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 Explore the outstanding physical properties of our CuNi15Sn8 piping. This product exemplifies excellent mechanical integrity, with a unique alloy composition that ensures both strength and flexibility, adapting seamlessly to the most demanding operational needs.

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 Our advanced processing techniques ensure the highest quality and performance: 1) CNS-CSH (Casting Spinodal Hardening): A method that enhances structural resilience. 2) CNS-HWSH (Hot Worked Spinodal Hardening): A process to boost thermal resistance. 3) CNS-CWSH (Cold Worked Spinodal Hardening): A technique for optimizing tensile strength.

1) CNS-CSH (Casting Spinodal Hardening) A revolutionary process that fortifies the piping structure, providing exceptional durability and performance in high-stress situations.

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) This sophisticated technique enhances the thermal resistance of our piping, ensuring reliability in extreme temperature conditions.

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) A state-of-the-art approach that maximizes the tensile strength of the piping, perfect for heavy-duty applications requiring robust material integrity.

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 Our CuNi15Sn8 piping undergoes stringent quality assurance processes to align with international standards, ensuring each product meets our benchmarks of excellence and reliability. Trust in a product that delivers unwavering quality and peace of mind.

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 Explore the heritage of excellence with Jiangyin Hehong Precision Technology (HHP COPPER /Jiangyin New Huahong Copper Industry Co., Ltd.), a beacon of the Huahong Group (A-STOCK: 002645.SZ). Strategically located near Shanghai, we are an eminent name in the Copper Alloy product industry in eastern China.

 

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 are specializing at 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.
And we proudly authored the National Standard for copper alloy seamless tubes/pipes used in Nuclear Power!