What Is H62 Brass?
In the Chinese designation H62 brass, "H" is the first letter of the Chinese pinyin for "yellow" (brass) and "62" represents the average copper content: the copper content of H62 brass ranges from 60.5% to 63.5%, with the remainder being zinc. This composition gives H62 brass strip excellent corrosion resistance, strength, electrical conductivity and machinability, making it widely used in parts, decorative items and electrical connectors.
Equivalent Grades of H62 Brass Strip
| Standard System | Equivalent Designation | Governing Standard |
|---|---|---|
| ASTM (USA) | UNS C28000 | ASTM B36 (plate, sheet, strip and rolled bar) |
| EN (Europe) | CuZn37 (CW508L) | EN 1652 |
| JIS (Japan) | C2800 | JIS H3100 |
| ISO (International) | CuZn37 | ISO 426-1 |
Note: C28000 is the copper-zinc alloy commonly cited as the ASTM mapping for H62, though its nominal composition is closer to 60% copper (CuZn40); some suppliers map H62 to C27200/C27400 (CuZn37, 62–65% Cu). Because designations differ between standards, confirm the exact copper range and the applicable standard with the supplier before ordering.
Mechanical and Physical Properties
| Property | Value |
|---|---|
| Tensile strength | 370–420 MPa |
| Yield strength | 260–300 MPa |
| Elongation | 10–15% |
| Hardness | 100–140 VHN / 60–80 HRB |
| Density | 8.4–8.5 g/cm³ |
| Thermal conductivity | 120–150 W/(m·K) |
| Electrical conductivity | ~26–30% IACS |
Applications in Decorative Hardware and Connectors
Decorative hardware: the golden color suits door handles, cabinet fittings, lighting fixtures and decorative pieces; the malleability allows intricate designs across contemporary, traditional and transitional interiors.
Electrical connectors: conductivity of about 26–30% IACS suits low-to-medium current applications; corrosion resistance gives long service life under weathering and mechanical stress in automotive and industrial wiring.
H62 vs. H59 Brass
| Property | H62 Brass | H59 Brass |
|---|---|---|
| Copper content | 60.5–63.5% | 59–62% |
| Tensile strength | 370–420 MPa (hard) | 315–350 MPa (typical) |
| Ductility / formability | Higher, better formability | Good, slightly less |
| Corrosion resistance | Excellent | Excellent |
| Standards | GB H62, C28000, CuZn37 | GB H59, C37700 |
| Common uses | Electrical components, decorative arts | Machine parts, welding parts, hardware |
How to Choose H62
Choose H62 for marine or coastal exposure, high formability needs, aesthetic applications, electrical components, and moderate mechanical strength without sacrificing formability.
H62 has lower lead levels than some brass alloys, supporting regulatory compliance where lead limits apply.
How to Choose the Right H62 Brass?
When to Choose H62 Brass
Corrosive Environments:
If your application will be exposed to marine or coastal environments, H62 brass's excellent corrosion resistance makes it a suitable choice.
High Formability Needs:
Choose H62 brass if your project requires extensive forming, bending, or drawing. Its high ductility allows for intricate shapes and designs.
Aesthetic Requirements:
For applications where appearance is important, such as decorative arts or architectural elements, H62 brass's attractive golden color and ability to take on various finishes make it ideal.
Electrical Applications:
H62 brass is a good choice for electrical components due to its excellent electrical conductivity.
Moderate Mechanical Strength:
If your application requires moderate mechanical strength without sacrificing formability, H62 brass provides a good balance.
Regulatory Compliance:
Opt for H62 brass if you need to meet stringent regulatory requirements regarding lead content, as it has lower lead levels compared to other brass alloys.
Cost Considerations:
While H62 brass is slightly more expensive than some other brass alloys, its benefits in terms of corrosion resistance and formability can justify the cost for specific applications.
Our product range
1. Pure Copper (Sheet, Tube, Wire)
Primary Grades: T1 (C11000), T2 (C10100). We prioritize C11000 (T1) for its excellent conductivity.
Standards: ASTM B152 (Sheet), ASTM B75/B88 (Tube), ASTM B1/B3 (Wire), EN, JIS, GB/T.
Typical Sizes:
Tube: OD 6mm – 200mm.
Sheet: Thickness 0.5mm – 50mm.
Wire: Diameter 1.0mm – 10mm.
2. Phosphorus Deoxidized Copper (Tube, Sheet)
Primary Grades: TP1 (C12000 / CW023A), TP2 (C12200). Ideal for welding and plumbing.
Standards: ASTM B188, ASTM B75/B88, EN 12451, JIS H3300.
Typical Sizes:
Tube: OD 8mm – 150mm.
Sheet: Thickness 1.0mm – 30mm.
3. Brass (Strip & Coil)
Primary Grades: H96, H68, H62 (CuZn37 / C28000). We strongly recommend H62 for its excellent balance of strength and machinability.
Standards: ASTM B36, ASTM B134, EN 1652, JIS H3100.
Typical Sizes:
Strip/Coil: Thickness 0.1mm – 3.0mm, Width up to 600mm.
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Our factory
Our facility is equipped with industry-advanced continuous casting and rolling production lines, precision rolling mills, multi-pass drawing units, and automated forming equipment, enabling efficient and stable transformation from copper rods to finished products. Our core machinery allows us to flexibly manufacture a full range of grades-including pure copper (e.g., C11000/T1), phosphorus deoxidized copper (e.g., C12200/TP2), and brass (e.g., H62)-in the form of sheets, tubes, rods, strips, and wires. We also provide tailored processing services such as cutting, slitting, and precision finishing.
