Description and Tech Sheet
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| Hot Brass Technical Data | |
|---|---|
| Name | Hot Brass |
| Category | Metal Alloy |
| Material Type | Brass |
| Subtype | Hot-working brass |
| Description | Brass alloy intended for hot working and hot forming applications. Common brass grades used for hot-working are copper-zinc alloys with compositions typically around 60/40 or 70/30, sometimes with small alloying additions depending on the specific grade. |
| Composition |
Base Elements: Copper, Zinc Possible Alloying Elements: Lead, Nickel, Iron, Aluminium, Tin Notes: Exact composition depends on the specific brass grade. Hot-working brasses are commonly copper-zinc alloys formulated for improved hot formability. |
| Standards and Grades |
Related Grades: C26000, C27000, CW508L, CW611N, C37700 Notes: Hot brass is not a single standardized grade; it is a functional category covering multiple brass alloys suited to hot working. |
| Physical Properties |
Density: 8.4-8.6 g/cm3 (CCT Precision, Holme Dodsworth, Shapeways) Melting Point: 885-955 °C (CCT Precision, Shapeways, Holme Dodsworth) Solidus: 885-915 °C (CCT Precision, Shapeways) Liquidus: 900-955 °C (CCT Precision, Shapeways) Thermal Conductivity: 121-155 W/m-K (CCT Precision, Holme Dodsworth) Coefficient of Thermal Expansion: 19.9-20.9 µm/m-°C (CCT Precision, Holme Dodsworth) Specific Heat: 377 J/kg-K (Holme Dodsworth) Electrical Conductivity: 26% IACS (Holme Dodsworth) |
| Mechanical Properties |
Tensile Strength (Ultimate): 315-469 MPa (CCT Precision, Shapeways) Yield Strength: 95-320 MPa (CCT Precision, Shapeways) Elongation at Break: 53-65% (CCT Precision, Shapeways) Young’s Modulus: 97-110 GPa (CCT Precision, Holme Dodsworth) Poisson’s Ratio: 0.31-0.375 (CCT Precision) Shear Modulus: 37-40 GPa (CCT Precision) Hardness: 32-80 HV (Shapeways, Holme Dodsworth) |
| Fabrication Properties |
Hot Working Temperature Range: 625-1500 °F / 330-815 °C Hot Formability: Excellent Cold Formability: Good to Excellent depending on grade Machinability: 30-100% relative to free-cutting brass = 100 Annealing Temperature Range: 375-1100 °F / 190-595 °C Stress Relief Temperature Range: 250-350 °C Recommended Hot Working Temperature: 700-750 °C Weldability: Generally limited; several hot-working brass grades are not recommended for oxy-acetylene, gas-shielded arc, or resistance welding |
| Corrosion Resistance | Fair to excellent depending on alloy and environment |
| Applications |
Radiator cores and tanks, Fasteners, Locks, Ammunition components, Plumbing accessories, Pins and rivets, Forged and formed brass components, Brass jewelry casting and fabrication in suitable alloys |
| Appearance | Color: Yellow to reddish-yellow depending on copper-zinc ratio Notes: Color varies with composition; higher copper content yields redder tones. |
| Safety and Handling | Specific handling depends on alloy composition and processing method. Leaded brasses require appropriate precautions for machining and exposure control. |
| Data Quality Notes | Hot brass is a broad industrial category rather than a single material. Values above are compiled from representative brass datasheets and should be verified against the exact alloy grade for engineering use. |
| Sources | |
Information sources
