What is H62 brass?
H62 brass is a copper–zinc (Cu–Zn) alloy commonly used for general engineering, hardware, decorative parts, and many formed components.
The "H" is commonly used in Chinese naming for brass.
"62" refers to the approximate copper content (around 62%).
H62 brass chemical composition
H62 is commonly specified around:
Cu (Copper): 61.5% – 63.5%
Zn (Zinc): remainder
Pb (Lead): typically very low (often controlled to <0.08%)
H62 brass properties
Physical properties
Density: ~8.5–8.7 g/cm³
Thermal conductivity: ~120 W/m·K
Electrical conductivity: ~27% IACS (typical reference value)
Mechanical properties
Tensile strength: ~372–540 MPa
Yield strength: ~225–360 MPa
Elongation: ~24–45% (depends strongly on temper)
Hardness: ~90–120 (Vickers, typical reference)
Processing characteristics
Cold working: very good (bending, drawing, stamping)
Hot working: workable in typical hot-working temperature windows (process-controlled)
Machinability: moderate (fine for standard turning/milling; not "free-machining" like 360)
Corrosion: generally good in many environments, but brass families can face dezincification risks in some hot/chloride waters unless specified/controlled
H62 brass equivalents
| Standard system | Often-listed equivalent |
|---|---|
| China (GB) | H62 |
| Japan (JIS) | C2801 |
| Germany (DIN) | CuZn37 |
| USA (ASTM) | C27400 |
| Europe (EN) | CW508L |
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Common uses of H62 brass
H62 shows up across industries because it's a balanced alloy:
Electrical & electronics: connectors, terminals, switch parts, conductive housings
Plumbing & general hardware: hardware fittings, brackets, decorative fasteners, covers
Automotive / industrial components: general brass components where forming + durability matters
Decorative parts: architectural hardware, trim parts, nameplates, ornaments
H62 vs 360 brass: what's the difference?
Composition & lead content
H62: Cu ~61.5–63.5%, Zn remainder, Pb typically very low
360 brass (C36000): similar Cu/Zn base but Pb is intentionally higher (commonly around 2.5–3.7%) to improve machinability
Why it matters:
If your market cares about lead limits (export compliance, potable water rules, low-lead requirements), H62-style low-lead brass is often easier to control than 360.
Machinability (CNC speed & tool life)
360 brass: "free-machining" benchmark; chips break nicely; faster cycle times
H62: machinable but typically not as fast/easy as 360 for high-volume CNC
Rule of thumb:
If your part is mostly threaded/turned, 360 often wins on cost-per-part (when lead is allowed).
Forming vs cutting (bending/stamping vs turning)
H62: better balance for cold forming (bending, stamping, drawing)
360: optimized for cutting, not for deep drawing
Strength & ductility (application fit)
Both can meet many strength needs, but:
H62 is commonly chosen when you want ductility + forming
360 is commonly chosen when you want machining efficiency
Typical applications
H62: formed shells, stamped hardware, decorative + structural brass parts
360: valves, fittings, threaded parts, precision CNC components
H59 vs H62 vs H65: how to choose fast
What changes as copper content increases?
In general, as copper % increases (H59 → H62 → H65):
color becomes more copper-like (more reddish)
forming/ductility often improves
machinability may decrease compared to free-machining grades
cost can shift depending on Cu pricing and market supply
Practical selection
H59: budget-friendly general brass hardware
H62: balanced "workhorse" brass (great for mixed forming + machining)
H65: choose when forming/deep drawing is the priority
Our factory
Our factory serves as the core base for the precision manufacturing of copper products, integrating advanced equipment, strict quality control, and efficient production capacity. We possess a complete production line covering the entire process from raw material smelting and continuous rolling to precision drawing/cutting, with key equipment including large-tonnage hydraulic stretching machines, high-precision CNC machine tools, and automated surface treatment systems. This enables the large-scale and customized production of a wide range of products such as copper rods, tubes, plates, strips, and wires. The factory strictly adheres to the ISO quality management system and is equipped with testing instruments such as spectrometers and mechanical property testing machines to monitor process parameters and product performance throughout the entire process. Digital production management is achieved through an ERP system and visual dashboards, ensuring timely order delivery. Furthermore, we implement a green manufacturing philosophy, equipped with exhaust gas treatment and scrap recycling systems, committed to providing customers with high-quality and sustainable copper material solutions.
Copper product packaging
We employ professional and reliable packaging solutions to comprehensively protect the integrity of all types of copper products during long-distance transportation and handling. For copper rods and tubes, we use moisture- and rust-proof materials for wrapping, secured with sturdy wooden crates or steel strapping to prevent bending and deformation. Copper plates and strips are sealed with waterproof paper or plastic film, protected with edge guards, and then fixed on customized wooden pallets or metal racks to avoid surface scratches and moisture. Copper wires are neatly wound on specialized reels, wrapped with moisture- and rust-proof film, and reinforced at the edges. All packaging is designed according to export standards, with clear labeling to ensure the safe delivery of goods to our global customers.
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