Xi'an Dongmeng Group Co., Ltd. is one of the most reliable manufacturers and suppliers of c45000 high-leaded yellow brass in China, also supports customized service. With abundant experience, we warmly welcome you to wholesale cheap products in stock here and get free sample from our factory. For price consultation, contact us.
C45000 High Leaded Yellow Brass is a premium copper-zinc alloy engineered for exceptional machinability, corrosion resistance, and mechanical strength. With a lead content of 2.5–3.5%, it allows precise machining, smooth cutting, and efficient fabrication of complex components without compromising durability. Available in rods, tubes, sheets, plates, and custom shapes, this versatile alloy is widely used in plumbing fittings, automotive components, electrical connectors, and precision CNC parts. Trusted by manufacturers worldwide, C45000 brass delivers consistent quality, excellent thermal conductivity, and long-term reliability, making it a top choice for demanding industrial applications and cost-efficient production.
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what is C45000 High-leaded Yellow Brass
Grade: C45000 High-Leaded Yellow Brass
Standard: ASTM B140, SAE J461 / J463
Forms Available: Rod, Bar, Hollow Bar, Tube, Plate, Custom CNC Parts
Main Features: Excellent machinability, good strength, stable cutting, good corrosion resistance
Industries: Plumbing, valves, electrical hardware, precision machined parts
Specifications (Metric & Imperial)
C45000 Brass Rod / Bar
| Item | Metric | Imperial |
|---|---|---|
| Diameter | 6–200 mm | 0.24"–8" |
| Length | 1000–6000 mm | 3.2–20 ft |
| Tolerance | h10 / h11 | ASTM Standard |
| Temper | Hard / Half-Hard / Annealed | Hard / Half-Hard / Annealed |
C45000 Brass Tube
| Item | Metric | Imperial |
|---|---|---|
| Outer Diameter | 8–120 mm | 0.31"–4.7" |
| Wall Thickness | 0.8–12 mm | 0.03"–0.47" |
| Length | 1–6 m | 3.2–20 ft |
| Tolerance | ±0.05 mm | ±0.002" |
Chemical Composition (ASTM B140)
| Element | Content (%) |
|---|---|
| Copper (Cu) | 60.0–63.0 |
| Zinc (Zn) | Balance |
| Lead (Pb) | 1.5–3.0 |
| Tin (Sn) | ≤ 0.20 |
| Iron (Fe) | ≤ 0.10 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 350–500 MPa |
| Yield Strength | 120–250 MPa |
| Elongation | 20–45% |
| Hardness | 70–120 HB |
| Density | 8.4 g/cm³ |
Product Features
Excellent machinability suitable for high-speed CNC machining
Superior cutting consistency with low tool wear
Good strength & plasticity for cold or hot working
Good corrosion resistance, especially in normal atmospheric and water environments
Stable material properties for repeatable, mass-production machining
Products Applications
C45000 High-Leaded Yellow Brass is widely used in:
Valve components & plumbing fittings
Pump parts, shafts, connectors
Electrical hardware, terminals & switches
Precision-machined components
Instruments, gears, bushings, and bearings
General hardware and structural brass parts
C45000 vs Other Copper Alloys
Compared with other common copper alloys, C45000 High Leaded Yellow Brass stands out for its superior machinability and ease of fabrication. For example:
C36000 (Free-Cutting Brass): Offers excellent machining but lower corrosion resistance and thermal conductivity than C45000, making it less suitable for high-wear or precision applications.
C46400 (Naval Brass): Provides outstanding corrosion resistance, especially in marine environments, but is harder to machine due to lower lead content, increasing production time and cost.
C44300 / C443 Brass: Similar in strength and corrosion resistance but with lower machinability, requiring specialized tooling for precision parts.
Overall, C45000 brass provides the best balance of machinability, mechanical strength, corrosion resistance, and thermal conductivity, making it ideal for plumbing fittings, automotive components, electrical connectors, and CNC precision parts. Its high lead content allows complex parts to be produced efficiently and cost-effectively, a clear advantage for industrial manufacturers worldwide.
| Alloy | Lead Content | Machinability | Corrosion Resistance | Strength | Thermal Conductivity | Typical Applications |
|---|---|---|---|---|---|---|
| C45000 (High Leaded Yellow Brass) | 2.5–3.5% | Excellent | High (fresh & saltwater) | Medium | High | Plumbing fittings, automotive components, electrical connectors, precision CNC parts |
| C36000 (Free-Cutting Brass) | 1.8–2.5% | Very Good | Medium | Medium-Low | Medium | General machining, fasteners, general fittings |
| C46400 (Naval Brass) | 0.1–1% | Moderate | Very High (marine environment) | High | Medium | Marine hardware, ship components, corrosion-critical applications |
| C44300 / C443 Brass | 0.5–1% | Moderate-Low | High | Medium-High | Medium | Valves, pumps, moderate precision CNC parts |
| C37000 (Leaded Tin Brass) | 1–3% | Good | Medium-High | Medium | Medium | Plumbing fittings, decorative hardware, low-wear components |
Inspection & Quality Assurance
Xi'an Dongmeng Steel Co.,Ltd conducts comprehensive quality inspection:
Spectrometer chemical composition test
Tensile & hardness testing
Dimensional inspection (micrometer / caliper / CMM)
Surface check for cracks, oxidation, porosity & dents
Material traceability with heat number
Third-party inspection: SGS / TÜV / BV (optional)
All shipments include Mill Test Certificate (EN10204 3.1).
Product Delivery Standards
Export-grade pallet or wooden case
Waterproof + anti-rust packaging
Clear label: grade, size, lot number, heat number
Support FOB / CIF / CFR / EXW terms
Fast shipment for stock materials
Xi'an Dongmeng Steel Co.,Ltd
Reliable Supplier of Brass, Copper Alloys & Precision Machined Parts
Looking for C45000 High-Leaded Yellow Brass or need a fast quotation?
Our sales engineers provide 24/7 quick response, technical support, and global delivery for all orders.
Our address
Room 4107, Runfeng Building, Sanqiao New Street, Weiyang District, Xi'an City, Shaanxi Province
Phone Number
+86 15769214734
FAQ
Q1: What is C45000 High-Leaded Yellow Brass mainly used for?
It is commonly used in valves, plumbing parts, electrical components, hardware, connectors, machined fittings, and pump components.
Q2: Do you supply bars, tubes, and CNC-machined parts?
Yes. We supply rods, bars, hollow bars, plates, tubes, and fully customized CNC-machined components.
Q3: Is C45000 good for high-speed machining?
Yes. Its lead content improves chip formation and makes it ideal for turning, threading, drilling, milling, and high-precision machining.
Q4: Can I request free samples?
Yes. Small samples are available for testing.
Q5: What certificates do you provide?
Mill Test Certificate (EN10204 3.1)
Optional SGS / TUV / BV inspection reports
Q6: What is your typical delivery time?
Stock materials: 3–7 days
Custom machining: 7–20 days
Q7: Do you support small orders?
Yes. Standard sizes support small-quantity orders.
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