C61400 Aluminum Copper Alloy

Henan Gnee New Material Co., Ltd. is one of the most professional manufacturers and suppliers of c61400 aluminum copper alloy in China, specialized in providing high quality copper products with competitive price. Welcome to buy discount c61400 aluminum copper alloy for sale here from our factory. Customized orders are welcome.

 

C61400 Aluminum Bronze Sheet meets ASTM B169 and ASTM B171, 025 Temper (Raw Soft), ASME SB169 and QQ-C-450 standards. We offer full plates and blanks in a wide range of thicknesses and widths.
C61400 Aluminum Bronze Sheet/Plate is known for having excellent mechanical properties and ductility. This makes this alloy suitable for high load applications, as well as the construction of vessels with high pressure requirements and the processing of products subject to corrosion and erosion. 

 

Exceptional Corrosion Resistance: Highly resistant to salt water, non-oxidizing acids, and brine.

High Strength-to-Weight Ratio: Provides the structural integrity of steel with the superior corrosion resistance of copper alloys.

Excellent Weldability: Easily joined using common welding techniques like gas shielded arc welding.

Anti-Galling Properties: Ideal for wear plates and components subject to friction.

Aesthetic Golden Hue: Maintains a premium, gold-like finish that resists tarnishing better than standard brass.

 

	Cu (1)	Al	Fe	Pb	Mn	P	Zn
Min./Max.	Rem.	6.0-8.0	1.5-3.5	.01	1.0	.015	.20
Nominal	91.0	7.0	2.0	-	-	-	-

(1) Cu value includes Ag.
Note: Cu + Sum of Named Elements, 99.5% min.

 

Property	Value
Tensile Strength	70 - 80 ksi (485 - 550 MPa)
Yield Strength (0.5% Ext)	30 - 35 ksi (205 - 240 MPa)
Elongation in 2 in.	35% - 45%
Hardness (Rockwell B)	70 - 85 HRB

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Some of the typical areas that C61400 is used in, is as follows:

Condenser Tube and Piping Systems

Piping Systems

Welded Pipe

Seamless Tubing and Pipe

Chutes for Abrasive Grains

Heat Exchanger Tubes

Condenser Head Plates

Tanks

Corrosion Resistant Vessels

Machine Parts

Structural Components

Tube Sheets

Mining Shovels

Sea Water Piping

C61400 is a wrought aluminum bronze alloy. C614 has excellent ductility. It is often used for wear plate where the dimensions exceed the limits of rectangular aluminum bronze bar. C61400 is also recommended for corrosive applications. C61400 plate resists grain boundary stress cracking. This is accomplished by adding a small amount of tin to the composition. C614 plate is used in fabrications that are too large to be stress relieved or must be field built and welded. In these applications, C61400 plate is not in danger of stress corrosion cracking.

 

Thickness: 0.125" to 4.00" (Custom thicknesses available).

Width: Up to 48" (1219mm).

Length: Up to 120" (3048mm).

Services: Custom Saw Cutting, Waterjet Cutting, and Precision Leveling to meet your exact project requirements.

 

Q1: What is C61400 Aluminum Copper Alloy, and what are its main properties?

A: C61400 (Alloy 614) is a high-performance aluminum copper alloy primarily composed of copper, aluminum (6-8%), and iron (1.5-3.5%). It is distinguished by its exceptional tensile strength (reaching 70-80 ksi), high resistance to fatigue, and superior anti-galling properties. Its most notable feature is its excellent corrosion resistance in harsh environments like seawater and non-oxidizing acids.

 

Q2: Does C61400 Aluminum Bronze plate rust or corrode in seawater?

A: No, C61400 does not "rust" like iron. It is specifically engineered for marine environments. Due to its aluminum content, it forms a thin, tough, and self-healing aluminum oxide film on its surface. This protective layer provides superior resistance to seawater corrosion, brackish water, and even many types of brine, making it a top choice for heat exchangers and marine hardware.

 

Q3: What color is C61400 Aluminum Bronze plate, and does it stay that way?

A: C61400 plate has a striking pale golden color, often compared to 14K gold. While it may develop a slight patina over time if exposed to harsh chemicals or extreme weather, its high aluminum content allows it to retain its lustrous gold-like appearance much longer than standard yellow brass. It is widely used in high-end architectural trim where both beauty and durability are required.

 

Q4: Is C61400 plate easy to weld or machine?

A: Yes, C61400 is considered one of the best weldable aluminum bronzes. It can be joined using common methods like gas shielded arc welding (MIG/TIG) or coated metal arc welding. In terms of machinability, it has a rating of approximately 20% compared to Free Cutting Brass (C360), so while it requires slower speeds and sharp tools, it produces excellent finished components.

 

Q5: How does C61400 Aluminum Bronze compare to other bronze alloys?

A: Compared to traditional tin bronzes or phosphor bronzes, C61400 (Aluminum Bronze) offers significantly higher strength and much better resistance to oxidation at elevated temperatures. Unlike many other high-strength alloys, C61400 maintains its ductility and toughness, which makes it less brittle. It is often chosen over C63000 when superior weldability is the priority for the project.

 

To ensure every order arrives in pristine condition, we utilize high-quality, seaworthy packaging solutions tailored for international transit. Our copper alloy plates, bars, and tubes are meticulously wrapped in moisture-proof plastic or VCI (Vapor Corrosion Inhibitor) paper to prevent oxidation, then secured within robust heat-treated wooden crates or reinforced steel-banded pallets. This multi-layered protection is designed to withstand the rigors of long-distance sea and air freight, guaranteeing that your materials are delivered without scratches or environmental damage.

 

Our state-of-the-art manufacturing facility is equipped with advanced production lines, including large-scale horizontal continuous casting units, high-precision cold rolling mills, and powerful hydraulic extrusion presses, enabling us to achieve exceptionally tight tolerances. To guarantee uncompromising quality, our in-house laboratory is outfitted with sophisticated testing equipment, such as Direct-Reading Spectrometers for precise chemical analysis, Universal Tensile Testing machines for mechanical verification, and non-destructive testing tools like Ultrasonic Flaw Detectors and Rockwell Hardness testers. Every batch of material undergoes rigorous inspection to ensure 100% compliance with international standards such as ASTM, ASME, and DIN.

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