H96 brass and pure copper are both copper-based materials, but they have distinct characteristics due to differences in composition. The table below outlines their primary differences in composition, mechanical properties, physical properties, processing characteristics, and typical applications.
| Category | H96 Brass (C21000) | Pure Copper (C11000/T2) |
|---|---|---|
| Composition | 95–97% Cu, 3–5% Zn (trace elements: ≤0.5% Ni, ≤0.1% Fe, ≤0.03% Pb) | ≥99.9% Cu (minimal impurities) |
| Mechanical Properties | Tensile strength: 205–320 MPa Yield strength: 80–150 MPa Hardness: 50–70 HB |
Tensile strength: 200–250 MPa Yield strength: 30–80 MPa Hardness: 35–45 HB |
| Physical Properties | Electrical conductivity: ~28–35% IACS Thermal conductivity: ~120–160 W/(m·K) Density: 8.85 g/cm³ |
Electrical conductivity: ~100% IACS Thermal conductivity: ~390 W/(m·K) Density: 8.96 g/cm³ |
| Processing | Excellent cold/hot workability Good weldability (TIG/brazing) Poor machinability (gummy) |
Excellent ductility and cold workability Excellent weldability Poor machinability |
| Corrosion Resistance | Excellent in atmospheric/freshwater environments Resists dezincification due to high Cu content |
Highly resistant to atmospheric corrosion but prone to oxidation (green patina over time) |
| Typical Applications | Waveguides, heat exchanger tubes, conductive springs, decorative architectural parts | Electrical wiring, busbars, transformers, high-purity conductors, roofing, plumbing |
Summary of Differences
Composition
H96 Brass is a copper-zinc alloy (95–97% Cu, 3–5% Zn) with trace elements enhancing strength and workability.
Pure Copper is almost entirely copper (≥99.9% Cu) with minimal impurities, maximizing conductivity.
Mechanical Properties
H96 Brass has higher strength and hardness than pure copper due to zinc solid-solution strengthening, making it more suitable for load-bearing applications.
Pure Copper is softer and more ductile, ideal for applications requiring extensive forming or bending.
Physical Properties
Pure Copper has significantly higher electrical and thermal conductivity (~100% IACS) compared to H96 brass (~28–35% IACS).
H96 brass has a slightly lower density (8.85 g/cm³ vs. 8.96 g/cm³ for pure copper).
Processing and Machinability
Both materials have excellent cold and hot workability.
H96 brass offers better machinability in certain forms but is still considered gummy compared to free-cutting brasses.
Pure copper is more challenging to machine due to its soft, sticky nature.
Corrosion Resistance
H96 brass has excellent corrosion resistance in atmospheric and freshwater environments, with high resistance to dezincification.
Pure copper forms a protective patina over time but may oxidize in certain environments.
Applications
H96 Brass is used where a balance of conductivity, strength, and corrosion resistance is needed (e.g., waveguides, heat exchangers, decorative hardware).
Pure Copper is preferred for applications requiring maximum conductivity (e.g., electrical wiring, high-purity conductors) or superior formability.
When to Choose H96 Brass vs. Pure Copper
| Choose H96 Brass if you need: | Choose Pure Copper if you need: |
|---|---|
| Higher strength and hardness than pure copper | Maximum electrical or thermal conductivity |
| Good corrosion resistance in freshwater/atmospheric environments | Exceptional ductility for complex forming |
| A balance of conductivity and mechanical performance | High-purity requirements (e.g., electrical conductors) |
| Decorative applications with a reddish-gold color | Applications where oxidation/patina is acceptable or desired |
Our product range
Our factory is a professional manufacturer of copper and copper alloy products, specializing in the export of high-quality copper materials. We possess modern production facilities and a strict quality control system, employing advanced production processes and technologies from raw material smelting to final product forming. The factory is equipped with precision extrusion, drawing, rolling, and heat treatment equipment, enabling the production of various specifications of copper pipes, copper plates, copper strips, copper rods, copper wires, and special profiles. We particularly excel in producing standard-grade brass products such as H96, H90, and H62, while also customizing chemical compositions, dimensional specifications, and surface treatments based on customer requirements. Certified with the ISO 9001 quality management system, our products comply with international standards such as ASTM, EN, JIS, and GB. They are widely used in construction, electronics, machinery, automotive, and other industries and are exported to over 50 countries and regions worldwide. We are committed to providing high-quality products and professional services, making us your reliable copper material partner.
Copper product packaging
We adopt professional, safe, and environmentally compliant international standard packaging solutions. All products are custom-packaged according to their form and transportation requirements: pipes are reinforced with moisture-proof woven bags or wooden crates, with protective sleeves added to the ends; plates and strips are wrapped in anti-rust paper and placed in dry wooden crates or on pallets, with special protection for the edges; wires and rods are wrapped in waterproof film and secured on pallets or bundled wooden crates. All packaging includes clear labels detailing product specifications, grades, batch numbers, and shipping marks. Additionally, moisture-proof and anti-rust treatments are applied to withstand long-distance sea transport or special climate conditions, ensuring that the goods remain intact during transportation and storage. Our packaging meets the import standards of various countries.
