Precision Bronze CuSn8 CNC Parta Wear Proof Customed For Marine
Ship Radar Connector
Material & Process Characteristics Comparison Table
| Material Category | Machining Processes & Performance Advantages |
|---|
| Tin Bronze (C93200) | 5-axis precision casting (sand/centrifugal molding)
Dry cutting + coolant temperature control
Salt spray test 1000H
Marine propeller bushings, valve seals |
| Aluminum Bronze (C95400) | High-speed milling + passivation
3x wear resistance (vs. cast iron)
Cavitation-resistant
Seawater pump impellers, chemical mixer bearings |
| High-Zinc Brass (C36000) | Ultra-precision turning (Ra 0.4μm)
Self-lubricating coating (friction ≤0.15)
Conductivity 28% IACS
5G base station connectors, heat sinks |
| Low-Lead Brass (C35300) | Mirror polishing + nickel plating (≥8μm)
ROHS compliant
Medical device housings, food machinery gears |
| Beryllium Bronze (C17200) | Aging heat treatment + boronizing (hardness ≥400HV)
Yield strength 1100MPa
Precision mold inserts, high-elasticity electrical contacts |
| Cupronickel (B10/B30) | Low-temperature cutting + passivation
Seawater corrosion-resistant (pH 8.1 compatible)
Heat exchanger tubes, offshore platform fasteners |
| Custom Services | Zero-MOQ prototyping (72H delivery)
12+ post-processing options (passivation/tinning/sandblasting)
Size range: 0.5mm–2m |
Why Use Copper Alloy for Marine Electronics
1. Conductivity and signal transmission efficiency
Core advantages:
The conductivity of copper alloy (such as brass C36000 conductivity
≈ 28% IACS) is much higher than that of stainless steel (≈ 2.5%
IACS), ensuring low loss transmission of electronic signals.
Typical applications:
Ship radar high-frequency connector, 5G communication terminal
(requiring 99.98% signal integrity).
2. Salt spray corrosion resistance
Extreme environment adaptation:
Aluminum bronze (C95400) has a lifespan of 3000 hours in salt spray
testing, which is more than 5 times that of ordinary carbon steel,
avoiding circuit short circuits caused by seawater corrosion.
case
Ship sensor housing, underwater electronic sealing joint.
3. Mechanical strength and vibration resistance
High load stability:
Beryllium bronze (C17200) has a yield strength of ≥ 1100MPa and an
elastic modulus of 128GPa, and can withstand ship engine vibration
(frequency 10-200Hz) without failure.
Application scenarios:
Spring contacts and precision brackets for gyroscopes in shipborne
navigation systems.
4. Thermal management performance
Heat dissipation efficiency:
The thermal conductivity of copper alloys (such as beryllium bronze
≈ 105W/m · K) is 500 times that of plastics, which can quickly
dissipate heat from electronic components (such as reducing power
module temperature rise by 30%).
Typical design:
Ship frequency converter heat dissipation substrate, LED navigation
light thermal conductive frame.
5. Electromagnetic shielding and anti-interference
Signal protection:
The shielding effect of copper alloy on electromagnetic waves (such
as white copper B30 ≥ 70dB at 1GHz) effectively isolates
electromagnetic interference from ship engines and generators.
Application example:
Radar waveguide components, GPS antenna shielding cover.
Polestar Metal: Your Trusted Partner in Precision CNC Manufacturing
Choosing our CNC machining services ensures not only precision and quality but a
partnership built on trust and reliability. At Polestar Metal, we are committed to delivering excellence in every aluminum
component we produce. From prototyping to full-scale production, we
are equipped to meet your specific needs and bring your designs to
life.
CNC Machining Tolerance
| Precision Machining | Metals, PEEK, And
ULTEM with Drawing | Other Plastics
with Drawing | No Drawing |
| Linear Dimension | +/- 0.0025 mm
+/- 0.0001 inch | +/- 0.05 mm
+/- 0.002 inch | ISO 2768 Medium |
Hole Diameters
(Not Reamed) | +/- 0.0025 mm
+/- 0.0001 inch | +/- 0.05 mm
+/- 0.002 inch | ISO 2768 Medium |
| Shaft Diameters | +/- 0.0025 mm
+/- 0.0001 inch | +/- 0.05 mm
+/- 0.002 inch | ISO 2768 Medium |
