Manufactured from premium-quality brass alloys, our Brass Circles are produced with precise dimensional control and stringent quality standards to meet diverse industrial requirements. Designed for high durability, excellent formability, and reliable performance, these circles are available in customized sizes and diameters for automotive, electrical, engineering, switchgear, construction, machinery, and general fabrication applications.
| Parameter | Minimum Spec | Maximum Spec |
|---|---|---|
|
Thickness
|
0.20 mm | 2.50 mm |
|
Diameter
|
30 mm | 370 mm |
We offer Brass Circles in a broad range of copper-zinc compositions and tempers for automotive, electrical, engineering, fabrication, switchgear, and industrial applications.
| Grade Name | Composition | Cu / Zn % | Key Properties & Applications |
|---|---|---|---|
| CuZn40 | 60/40 | Cu 58.5–61.5% / Zn 38.5–41.5% | Muntz Metal brass grade identified in the catalogue for applications including locks, key blanks, architectural uses, nuts and bolts, condenser plates, heat exchangers and condenser tubes. |
| CuZn37 | 63/37 | Cu 61.5–64.5% / Zn 35.5–38.5% | Yellow Brass grade used for flashlight shells, lamp fixtures, locks, fasteners, hinges, plumbing accessories, pins, rivets and switchgear components. |
| CuZn36 | 64/36 | Cu 62.5–65.5% / Zn 34.5–37.5% | Yellow Brass grade listed in the catalogue technical data for brass coil, sheet and circle products. |
| CuZn35 | 65/35 | Cu 63.5–66.5% / Zn 33.5–36.5% | Yellow Brass grade referenced for connectors, terminals and related electrical component applications. |
| CuZn33 | 67/33 | Cu 65.5–68.5% / Zn 31.5–34.5% | Cartridge Brass grade listed in the catalogue for connectors, terminals, sockets, fasteners, fire extinguishers and heat-exchanger applications. |
| CuZn30 | 70/30 | Cu 68.5–71.5% / Zn 28.5–31.5% | Red Brass grade listed for coins, medals, bullet jackets, fuse caps, primers and jewellery applications. |
| CuZn20 | 80/20 | Cu 78.5–81.5% / Zn 18.5–21.5% | Brass composition explicitly included in the catalogue product range for Brass Coils, Sheets & Circles. |
| CuZn15 | 85/15 | Cu 83.5–87.5% / Zn 12.5–16.5% | Commercial Bronze grade used for jewellery and metal goods, electrical industry components, cladding panels, condenser tubes, heat exchangers, eyelets and fasteners. |
| CuZn10 | 90/10 | Cu 88.5–91.5% / Zn 8.5–11.5% | Gilding Metal grade referenced for electrical components, automotive components, watch dials, radiator fins, eyelets and related applications. |
| CuZn05 | 95/5 | Cu 93.5–96.5% / Zn 3.5–6.5% | Brass grade used for applications such as lamp caps, switches, MCBs, radiator tubes, electrical contacts, torch bodies and components, zippers and eyelets. |
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Available physical states tailored to your Brass Circle manufacturing, forming, and fabrication requirements.
| Temper State | Symbol | Formability Profile |
|---|---|---|
|
Annealed (Soft)
|
O | Soft temper offering high formability for pressing, bending, forming, and other shaping operations. |
|
Quarter Hard
|
HA | Balanced strength and formability for general fabrication and forming requirements. |
|
Half Hard
|
HB | Increased strength and rigidity with useful forming capability for industrial applications. |
|
Hard
|
H | Higher hardness and strength for applications where greater rigidity and durability are required. |
|
Extra Hard
|
HE | Extra Hard temper providing enhanced strength and hardness for specialised applications. |
|
Spring Hard
|
HS | High-strength temper suited to applications requiring spring characteristics and resistance to deformation. |