Description
๐ฉ C54400 Phosphor Bronze Plate โ High-Strength Alloy for Industrial Machining Uses
The C54400 Phosphor Bronze Plate is a top-grade, high-performance bronze alloy known for its excellent machinability, high strength, and fatigue resistance. Conforming to the ASTM B103 standard, this alloyโalso known as free-cutting phosphor bronzeโis a favorite among engineers and machinists working in aerospace, electronics, marine, and high-reliability mechanical systems.
๐ Key Features of C54400 Phosphor Bronze Plate
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Excellent Machinability
As one of the most free-machining copper alloys, the C54400 Phosphor Bronze Plate is ideal for turning, milling, drilling, and threading with minimal tool wear and excellent chip formation.
โ
High Strength and Toughness
With a tensile strength range of 450โ620 MPa and good yield properties, this plate performs reliably under mechanical stress and vibration, especially in precision mechanical assemblies.
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Good Corrosion Resistance
Suitable for use in mildly corrosive environments including salt spray, fuel vapor, lubricants, and fresh water, the C54400 alloy offers longevity in harsh service conditions.
โ
Dimensional Stability
This alloy maintains tight tolerances and flatness even under thermal cycling and post-machining operations, making it a preferred choice for CNC shops and OEMs.
โ
Standardized Quality
All materials are produced to ASTMย B1032/B1032M-25ย specifications, ensuring consistent physical and mechanical properties.
๐งช Chemical Composition (Typical)
| Element | Content (%) |
|---|---|
| Copper (Cu) | 88.0 โ 91.0 |
| Tin (Sn) | 3.3 โ 4.2 |
| Lead (Pb) | 1.5 โ 4.5 |
| Zinc (Zn) | 0.0 โ 1.0 |
| Iron (Fe) | โค 0.25 |
| Phosphorus (P) | 0.03 โ 0.35 |
This composition gives the C54400 Phosphor Bronze Plate its distinctive machinability, wear resistance, and surface finish capabilities, especially in high-speed operations.
๐ Mechanical Properties
| Property | Typical Value |
|---|---|
| Tensile Strength | 450 โ 620 MPa |
| Yield Strength (0.5% ext.) | 250 โ 350 MPa |
| Elongation | 10 โ 25% |
| Hardness (Rockwell B) | 75 โ 90 HRB |
| Density | 8.75 g/cmยณ |
| Electrical Conductivity | ~15% IACS |
| Thermal Conductivity | ~70 W/mยทK |
Thanks to these properties, the C54400 Phosphor Bronze Plate is ideal for load-bearing components requiring close dimensional control and stable physical behavior during processing and usage.
๐ญ Industrial Applications
Because of its performance, the C54400 Phosphor Bronze Plate is widely used across many sectors:
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๐ Precision Machined Bushings and Bearings
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๐ฉ Electrical Connectors and Terminals
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๐ข Marine Fasteners and Valve Components
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๐งฒ Instrument Gears, Springs, and Small Pinions
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โ๏ธ Rotary Linkages and Motion Control Systems
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๐ Aerospace Structural Machined Blocks
It outperforms brass and other phosphor bronze variants (e.g., C51000, C52100) when free-cutting properties and mechanical durability are critical.
๐ Dimensions & Customization
We offer C54400 Phosphor Bronze Plates in a variety of sizes to suit everything from small-scale components to large-format CNC machining.
| Parameter | Range |
|---|---|
| Thickness | 1 mm โ 50 mm |
| Width | Up to 1000 mm |
| Length | Up to 3000 mm |
| Surface Finish | Mill, Brushed, Polished |
| Flatness | โค 0.1 mm deviation per 1000 mm |
| Tolerances | ASTM B103 or tighter by request |
Secondary processing such as CNC shearing, laser cutting, and surface grinding is available upon request.
๐ฆ Packaging & Quality Control
Every C54400 Phosphor Bronze Plate is:
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๐ฆ Protected with anti-rust oil and moisture-proof paper
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๐ง Stacked with separators to avoid edge deformation
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๐งพ Supplied with Mill Test Certificates (EN10204 3.1)
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โ Inspected by QC teams and optionally third-party bodies like SGS or BV
Each shipment is traceable by batch number, heat number, and certified composition report.
๐ Standards and References
C54400 is globally recognized under multiple naming systems:
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ASTM B103 / B103M
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UNS C54400
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EN CW453K
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JIS C5441
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ISO CuSn4Pb4Zn4
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RoHS-compatible variants available on request
๐ Contact Us
Looking for high-performance bronze plate for your machining, aerospace, or marine application? Our C54400 Phosphor Bronze Plate offers strength, accuracy, and outstanding cutting efficiency.
๐ง Email: sales@niticu.com
๐ฑ Phone / WhatsApp / WeChat: +86 13335373172
๐ญ Factory: Baotai Road Industrial Park, High-tech Zone, Baoji City, Shaanxi, China
๐ Website: https://niticu.com
๐ฉ Contact us now for sizes, pricing, and expert guidance. We respond within 24 hours worldwide.












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