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Honscn konzentriert sich auf professionelle CNC-Bearbeitungsdienstleistungen  seit 2003.

CNC -Bearbeitung Messingmaterialeigenschaften
  • Ausgezeichnete Schnittleistung: Schneidwiderstand nur 1/3 der von Stahl, geeignet für Hochgeschwindigkeitsbearbeitung (Schnittgeschwindigkeit von bis zu 150 bis 250 m/min).
  • Starke Korrosionsbeständigkeit: stabil in atmosphärischen und frischwasserumgebungen (mehr als 10 -mal stärker als Stahl).
  • Gute elektrische Leitfähigkeit: Elektrische Leitfähigkeit etwa 60% reines Kupfer, geeignet für elektronische Komponenten.
  • Einfache Formbarkeit: Dehnung 15-45%kann kalt und gebogen sein.
  • Mäßige Dichte: 8,5-8,9 g/cm³ (etwa 110% Stahl).
  • Umweltunterschiede: Bleihaltige Messing (z. B. C3604) muss auf Schwermetallverschmutzung beachtet werden. Bleifreie Messingkosten sind 20-30% höher.
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Commonly used brass material classification table

Grade

Tensile strength (MPa)

Yield strength (MPa)

Density (g/cm³)

Hardness (HV)

Lead content (%)

Main characteristics

Application scenarios

C3604

440

390

8.53

120-140

3.0-4.0

Easy to machine brass

Connectors, valves, watch parts

Brass 360 1/2 hard

400-450

300-350

8.53

100-120

3.0-4.0

Semi-hard easy to machine brass

Screws, nuts, pipe fittings

H59

450

195

8.4

90-105

0.8-1.9

High strength brass

Radiators, mechanical structural components

H62

370

110

8.43

85-100

≤0.08

Ordinary brass

Hardware, locks, decorative parts

C17300 beryllium copper

1200

1030

8.25

360-400

0.2-0.6

Ultra-high strength elastic alloy

Springs, relays, aerospace fasteners

C54400 phosphor bronze

550

240

8.8

130-150

0.05-0.3

Wear-resistant corrosion-resistant bronze

Bearings, gears, ship parts

Lead-free brass

420

380

8.5

110-130

≤0.005

Environmental friendly easy to machine brass

Medical equipment, food machinery

Analysis of aluminum material properties:
✔ Thermal treatment impact: beryllium copper (C17300) requires solution treatment + aging hardening, hardness increases by 300%; H62 can be annealed to soften (hardness reduces by 30%).
✔ Machining parameter optimization: C3604 is recommended to use coated tungsten carbide tools (TiAlN coating); phosphor bronze processing feed rate needs to be ≤0.15mm/r to prevent tool wear.
✔ Environmental requirements: EU RoHS directive requires lead content ≤0.01%, promoting the application of lead-free brass.
✔ Surface treatment compatibility: beryllium copper is suitable for nickel plating (anti-oxidation); H59 can be antique aged (sulfurization treatment).
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Material selection strategy:
✔ High strength demand: C17300 beryllium copper > C54400 phosphor bronze > H59
✔ Environmental requirements: lead-free brass > H62 > C3604
✔ Machining efficiency: C3604 > Brass 360 > H62
✔ Comprehensive cost: H62 (lowest) < H59 < lead-free brass < C54400 < C17300
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Brass surface treatment process
⒈Electroplating:
◆ Nickel plating (thickness 5-15μm): Enhanced corrosion resistance (such as electronic components)
◆ Gold plating (thickness 0.5-3μm): Improved conductivity (connectors)
⒉Passivation treatment:
◆ Chromate passivation: Forms a rainbow film to prevent oxidation (hardware)
◆ Chromium-free passivation: An environmentally friendly alternative (food machinery)
⒊Painting/powder spraying:
◆ Epoxy resin coating: Thickness 60-100μm, anti-corrosion decoration (lamps)
⒋Chemical polishing:
◆ Nitric acid + sulfuric acid system: Surface roughness Ra0.4-0.8μm (bathroom accessories)
⒌Anodizing:
◆ Produces a porous oxide film (thickness 2-5μm), which can be dyed (decorative parts)
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