Ultra High Pressure ASTM B740 Copper Alloy for High Temperature Applications

• Customization: Available
• Application: Fire Sprinkler Systems, HVAC Systems, Medical Gas Systems, Plumbing
• 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 Dive into the exceptional realm of our Ultra High Pressure ASTM B740 Copper Alloy, meticulously engineered for high-temperature applications. Crafted with precision and innovation, this alloy stands as a testament to cutting-edge metallurgy and enduring performance.

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 copper alloy showcases remarkable resilience under extreme conditions. It boasts superior mechanical properties, excellent thermal conductivity, and a commendable resistance to corrosion and oxidation, making it an ideal solution for demanding industrial applications.

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 unparalleled reliability with our product, which offers a unique blend of strength and durability. Its exceptional heat resistance ensures optimal performance even in the most challenging environments, providing a significant competitive advantage.

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 Engineered for versatility, this copper alloy finds its place across a spectrum of industries. It is indispensable in sectors such as aerospace, energy, petrochemicals, and more, where high pressure and temperature resilience are paramount.

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 Our copper alloy is defined by its robust physical characteristics, including high tensile strength, superior hardness, and impressive ductility, ensuring it meets the rigorous demands of modern engineering applications.

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 Delve into our advanced processing techniques, meticulously designed to enhance the inherent qualities of our copper alloy.

1) CNS-CSH (Casting Spinodal Hardening) This innovative casting technique optimizes the microstructure for enhanced mechanical properties.

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 the superior strength and flexibility achieved through this advanced hot working process.

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 working method further refines the alloy, enhancing its strength and resilience.

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 Commitment to excellence is our promise. Through rigorous quality assurance protocols, we ensure that each batch of copper alloy meets the highest industry standards, guaranteeing reliability and performance.

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 esteemed legacy of Jiangyin and Hehong Precision Technology, revered entities within the esteemed Huahong Group.

 

Jiangyin A hub of innovation and expertise, pivotal to our production excellence. Hehong Precision A beacon of precision engineering, contributing to our renowned reputation in copper alloy manufacturing. 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. Our strategic location and state-of-the-art facilities position us as leaders in innovation and quality.

We are specializing at the production of copper and copper alloy (admiralty brass/naval brass, aluminum brass, cupronickel/copper nickel Our diversified product range showcases a commitment to quality and performance.) 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 extensive production capabilities ensure we meet diverse industry needs, from critical infrastructure to advanced industrial solutions.
And we proudly authored the National Standard for copper alloy seamless tubes/pipes used in Nuclear Power A testament to our expertise and leadership in setting industry benchmarks.!