ASTM B21 Naval Brass Rod
ASTM B21/B21M- Standard Specification for Naval Brass Rod, round Bar, and Shapes
This specification establishes the requirements for naval brass rod, brass solid bar, and shapes produced from Copper Alloy UNS Nos. C46200, C46400, C46750, C47940, C48200, C48500, C48640, or C48645.
Tempers available under this specification are M30 (as-hot extruded), O60 (soft annealed), O50 (light annealed), H60 (cold headed and formed), H02 (½ hard), and H04 (hard). Products shall be tested and shall adhere to dimensional (diameter, shape, length, straightness, and edge contour), mechanical (tensile and yield strength, Rockwell hardness, and elongation), and chemical composition requirements.
As a leading copper, naval brass, & bronze alloys supplier, Our success to serving our customers, through our service-minded employees and material readily available for prompt, accurate deliveries of copper, brass, bronze, stainless steel and other metal alloys.
Email: [email protected]
WhatsApp: 0086-18301953841
Naval Brass Bar is a key metal for use in numerous marine applications. The naval brass round rods have an exceptionally high corrosion-resistance in salt and fresh water environments.
In addition, naval brass round bars are extremely sturdy and tough, making this the greatest metal for situations where a tough metal is imperative, such as marine engineering or architectural structures.
| Hollow Rods | Min Bore Size 20 mm and Max OD 100 mm |
| Round Rods | 6mm To 130 mm |
| Hex | 5mm To 60mm |
| Square | 4mm To 60mm |
| Flat | 5mm Min Thickness and max Width 120mm |
| Profiles / Sections | AS per Customer Drawing |
| Billets | Up to 200 mm |
| Ingots | AS per Specification |
Provide customized services based on customer needs.
We provide the raw copper alloy materials in various standard shapes as well as custom cut copper alloys. The naval brass round bars in changjin are available in a selection of diameters; when you buy naval brass round rods from changjin, we will cut them to the size you require at no extra cost, to make sure your rods are suitable for your needs.
● Free Cutting
● Coating
● Custom Lengths
● Fast Turnaround
● Customized according to your special needs
