ASTM B455 Extruded Leaded-Brass Rod and Bar
- UNS C38000, UNS C38500
- Round: Dia. 2.4 – 200mm
- Hexagonal & Octagonal: 3 – 50mm
- Square: 5-38mm
- Rectangular: T: 5-38mm x W: 5-65mm
ASTM B455 Extruded Leaded-Brass Rod and Bar
Golden Sunbird Metals supplies ASTM B455 extruded leaded-brass rod and bar for machining-intensive and general engineering applications that require excellent machinability, good corrosion resistance in mild environments, and dependable dimensional consistency. Available in UNS C38000 and UNS C38500, these leaded brass bars are produced in round, hexagonal, octagonal, square, and rectangular profiles to support a wide range of fabrication and component manufacturing needs. Size options include round bar from 2.4 to 200 mm, hexagonal and octagonal bar from 3 to 50 mm, square bar from 5 to 38 mm, and rectangular bar from 5 to 38 mm thick by 5 to 65 mm wide. With lengths from 1000 to 6000 mm and inspection certificates available to EN 10204 3.1 and 3.2, Golden Sunbird Metals provides reliable ASTM B455 brass rod and bar solutions for hardware, plumbing, valve parts, decorative parts, and precision-machined components.
Chemical Composition (wt.%) of ASTM B455 Extruded Leaded-Brass Rod and Bar
| Element | UNS C38000 (%) | UNS C38500 (%) |
| Copper | 55.0 – 60.0 | 55.0 – 59.0 |
| Lead | 1.5 – 2.5 | 2.5 – 3.5 |
| Zinc | Remainder | Remainder |
| Iron (max) | 0.35 | 0.35 |
| Tin (max) | 0.3 | Not Specified |
| Aluminum (max) | 0.5 | Not Specified |
Mechanical Properties of ASTM B455 Extruded Leaded-Brass Rod and Bar
| Property | UNS C38000 and C38500 |
| Tensile Strength, min (ksi [MPa]) | 48 [330] |
| Yield Strength at 0.5% extension, min (ksi [MPa]) | 16 [110] |
| Elongation in 2 in. (50.8 mm), min (%) | 15 |
Features
- ASTM B455/B455M leaded-brass extruded shapes for machining-intensive applications.
- Available in UNS C38000 and UNS C38500.
- Excellent machinability for efficient production and secondary processing.
- Good corrosion resistance in mild corrosive environments.
- Available in round, hexagonal, octagonal, square, and rectangular profiles.
- Suitable for a wide range of extruded component blanks and precision-machined parts.
Technical Specifications
| Specification | Value |
| Standard | ASTM B455 Extruded Leaded-Brass Rod and Bar |
| Grade | UNS C38000 (CuZn40Pb2, CW617N, EN 2.0402), UNS C38500 (CuZn39Pb3, CW614N, EN 2.0401) |
| Type of Alloy | Copper-Zinc-Lead Alloy |
| Manufacturing Process | Extruded |
| Shape of Bars | Round, Hexagonal and Octagonal, Square and Rectangular |
| Density | 8.9g/cm³ |
| Diameter | Round: Dia. 2.4 – 200mm; Hexagonal & Octagonal: 3 – 50mm; Square: 5-38mm; Rectangular: T: 5-38mm x W: 5-65mm |
| Length | 1000 – 6000mm |
| Inspection Certificate | EN 10204 Type 3.1 (Mill Test Certificate), EN 10204 Type 3.2 (Witness Testing or 3rd Party Inspection) |
| NDE Tests | UT/ET, Chemcial Analysis, Tensile Test |
Applications
- Architectural hardware and building hardware.
- Plumbing fittings and sanitary components.
- Valve parts and general fluid-control components.
- General engineering components requiring high machinability.
- Decorative parts and functional components used in mild corrosive environments.
