C27400 CuZn37 Brass Coil
C27400 Brass Plate/ Coil/ Strip is with good performances in mechanical properties and machinability in hot pressure and cold pressure processing. C27400 is widely used in the applications of structural parts as bushings, gaskets, etc. Besides, Tin brass materials has high corrosion resistance and are widely used as raw materials for corrosion resistant parts of ship, vapor, oil’s industrial fields.
Product Description
| Brass Coil / Strip - Product Specification Table | ||
| Property Category | Specification | Description / Typical Values |
| General Information | Common Names | Brass Coil, Brass Strip, Brass Roll |
| Material Standards | ASTM B36 (Cartridge Brass), ASTM B134 (Wire), ASTM B569 (Flat Products) | |
| Material Composition | Primary Alloys | CDA 26000 (Cartridge Brass): Excellent formability. CDA 26800 (Yellow Brass): General purpose. CDA 22000 (Commercial Bronze): Higher copper content. |
| Key Elements | Cu (Copper: 65-90%), Zn (Zinc: 10-35%), sometimes Pb (Lead) | |
| Physical Properties | Density | Approximately 8.47 - 8.75 g/cm³ |
| Electrical Conductivity | 25% - 50% IACS (Varies by alloy) | |
| Thermal Conductivity | 100 - 150 W/m·K | |
| Mechanical Properties | Tensile Strength | 300 - 700 MPa (45,000 - 100,000 psi) (Highly dependent on temper) |
| Yield Strength (0.2% Offset) | 100 - 650 MPa (15,000 - 95,000 psi) | |
| Elongation | 3% - 70% (Varies with temper) | |
| Hardness | Rockwell B 40 - 90+ | |
| Key Characteristics | Formability | Excellent; highly suitable for deep drawing, stamping, bending, and spinning. |
| Machinability | Fair to Good (Improved in leaded varieties) | |
| Corrosion Resistance | Good; resistant to atmospheric and freshwater corrosion. | |
| Ductility | High, especially in annealed tempers. | |
| Available Forms | Thickness (Gauge) | 0.05 mm - 3.0 mm (0.002" - 0.125") is common |
| Width (Slit) | 10 mm - 600 mm (0.4" - 24") and beyond | |
| Coil Weight | Varies (e.g., 50 kg - 2000 kg) | |
| Temper | Annealed (Soft), Quarter-Hard, Half-Hard, Full-Hard, Spring Temper | |
| Common Applications | Electrical/Electronics | Connectors, Terminals, Springs, RFI Shielding |
| Industrial & Automotive | Radiator Fins, Light Sockets, Bellows, Stamped Parts, Gaskets | |
| Decorative & Architectural | Nameplates, Jewelry, Trim, Architectural Grilles | |
| Consumer Goods | Ammunition Cartridge Cases, Musical Instruments, Zippers | |
| Alloy / UNS Designation | Thickness Range | Width Range | Temper / Condition | Key Characteristics |
| C26000 - Cartridge Brass (70/30) | 0.005" - 0.250" (0.127mm - 6.35mm) | 0.25" - 24" (6.35mm - 610mm) | O61 (Annealed) H02 (¼ Hard) H04 (½ Hard) H06 (Hard) H08 (Spring) | Formability: Excellent Machinability: 30% Corrosion Resistance: Good Color: Bright Golden Yellow |
| C26800 / C27000 - Yellow Brass (65/35) | 0.010" - 0.125" (0.254mm - 3.175mm) | 0.50" - 18" (12.7mm - 457mm) | H02 (¼ Hard) H04 (½ Hard) H06 (Hard) | Strength: Higher than C26000 Formability: Very Good Color: Rich Yellow Cost-Effective |
| C22000 - Commercial Bronze (90/10) | 0.012" - 0.188" (0.305mm - 4.78mm) | 0.25" - 16" (6.35mm - 406mm) | O61 (Annealed) H04 (½ Hard) H08 (Hard) | Corrosion Resistance: Excellent Color: Reddish Gold Ductility: Excellent (Annealed) Cold Workability: Good |
| C22600 - Jewelry Bronze | 0.004" - 0.060" (0.102mm - 1.524mm) | 0.125" - 12" (3.18mm - 305mm) | O61 (Annealed) H02 (¼ Hard) | Color: Distinctive Red-Gold Formability: Excellent Tarnish Resistance: Good Fine Grain Structure |
| C65400 - Silicon Bronze | 0.020" - 0.187" (0.508mm - 4.75mm) | 0.50" - 24" (12.7mm - 610mm) | H04 (½ Hard) H06 (Hard) | Strength: High (65-85 ksi tensile) Corrosion Resistance: Exceptional Stress Relaxation Resistance: Excellent Spring Properties: Superior |
| C35300 - High Leaded Brass (Forging Brass) | 0.032" - 0.250" (0.813mm - 6.35mm) | 1.00" - 10" (25.4mm - 254mm) | H02 (¼ Hard) H04 (½ Hard) | Machinability: 80% Hot Forgeability: Excellent Chip Formation: Superior Plating Adhesion: Excellent |
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