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C27450 Brass Alloy
Product Name: C27450 Brass Alloy
Alias: CuZn33Pb2, CW708R, Leaded Brass, Forging Brass
Standards: ASTM / EN 12164 / EN 12165
Material Type: Copper–Zinc–Lead Alloy
Available Forms: Rod, Bar, Tube, Forged Parts, Profiles
Tempers: As-drawn, Hard, Half-Hard, Annealed
Key Features: High machinability, strong mechanical properties, good wear resistance
Typical Uses: Valves, fittings, connectors, plumbing parts, precision turned components
Description
C27450 Brass-also known as High-Strength Brass, CuZn33Pb2, CW708R, Leaded Brass Alloy, is a versatile copper-zinc-lead alloy widely used for precision machined parts, valves, fittings, connectors, hardware components, and general industrial applications. Global buyers often search for terms such as C27450 Brass Rod, Leaded Brass Bar, CuZn33Pb2 Material, C27450 Forging Brass, and CW708R Hot Working Brass.
This alloy offers excellent machinability, wear resistance, formability, and is suitable for bar stock, rods, profiles, and forged parts.
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Products Description
Product Name: C27450 Brass Alloy
Alias: CuZn33Pb2, CW708R, Leaded Brass, Forging Brass
Standards: ASTM / EN 12164 / EN 12165
Material Type: Copper–Zinc–Lead Alloy
Available Forms: Rod, Bar, Tube, Forged Parts, Profiles
Tempers: As-drawn, Hard, Half-Hard, Annealed
Key Features: High machinability, strong mechanical properties, good wear resistance
Typical Uses: Valves, fittings, connectors, plumbing parts, precision turned components
Specifications (Metric + Imperial + Tolerance Included)
Available Forms
Round Bar / Rod
Hex Bar
Square Bar
Forging Stock
Custom Profiles and Machined Parts
Standard Size Range
| Product | Metric Size Range | Imperial Size Range | Tolerance |
|---|---|---|---|
| Round Bar | 5–200 mm | 0.20"–7.87" | h8 / h9 / h11 |
| Hex Bar | 6–80 mm | 0.24"–3.15" | EN Standard |
| Square Bar | 6–80 mm | 0.24"–3.15" | ±0.05–0.20 mm |
| Forging Stock | Customized | Customized | Per drawing |
Typical Physical & Mechanical Properties
| Property / Form | Typical Value / Range* |
|---|---|
| Density (approx.) | ~ 8.44 g/cm³ |
| Electrical Conductivity | ~ 27% IACS |
| Melting Point (Liquidus) | ~ 1680 °F (~ 915 °C) |
| Hard Temper Rod (typical) | Tensile Strength: ~63 ksi (≈ 435 MPa) Yield Strength (0.2% offset): ~47 ksi (≈ 325 MPa) Elongation: ~25% Rockwell B Hardness: ~68 H‑B |
Temper / Hardness Options
| Temper | Description |
|---|---|
| O | Annealed / Soft |
| H02 | Quarter Hard |
| H04 | Half Hard |
| H06 | Hard |
| H08 | Extra Hard |
Product Delivery Standards
1. International Compliance
All C27450 products meet:
EN 12164 / EN 12165
ASTM and RoHS/REACH requirements
MTC EN 10204 3.1 provided for each batch
2. Dimensional & Surface Standards
Strict dimensional tolerance check
Smooth, defect-free surface
Mechanical & chemical verification before shipment
3. Packaging Standards
Waterproof wrapping + plastic film
Anti-corrosion protection
Wooden pallets / wooden cases for export
Labeling includes grade / size / heat number / weight
4. Pre-Shipment Inspection
Chemical analysis
Tensile & hardness testing
Dimensional check
Visual surface inspection
No goods leave factory without QC approval.
Looking for a trusted supplier of C27450 Brass bars, rods, forged parts, or custom profiles?
We offer competitive factory pricing, fast delivery, stable quality, and global shipping.
Our address
Room 4107, Runfeng Building, Sanqiao New Street, Weiyang District, Xi'an City, Shaanxi Province
Phone Number
+86 15769214734
FAQ
Q1: What is C27450 Brass?
A: C27450 is a high-strength copper-zinc-lead alloy, also known as CuZn33Pb2, CW708R, or Leaded Brass. It is widely used for machined parts, valves, fittings, and precision components due to its excellent machinability and mechanical properties.
Q2: What forms and sizes are available for C27450 Brass?
A: Available forms include round bars/rods, hex bars, square bars, flat bars, billets, forged stock, and custom profiles. Typical round rod sizes range from Ø0.25" to 3.00" (6.35–76.2 mm). Custom dimensions are available upon request.
Q3: What are the typical mechanical properties of C27450 Brass?
A: For hard-temper rods:
Tensile Strength: ~435 MPa (63 ksi)
Yield Strength: ~325 MPa (47 ksi)
Elongation: ~25%
Hardness: ~68 H-B
Properties vary depending on temper and section size.
Q4: Is C27450 suitable for machining and forging?
A: Yes. C27450 Brass has excellent machinability, good hot forgeability, and is suitable for thread rolling, stamping, and precision machining.
Q5: Can C27450 Brass be used in plumbing or potable water applications?
A: Yes. Many variants of C27450 are low-lead or lead-free, making them suitable for plumbing fittings, valves, and sanitary hardware while meeting regulatory standards.
Q6: What are the common applications of C27450 Brass?
A: Typical applications include:
Plumbing fittings and valves
Connectors and couplings
Forged and machined components
Hardware and mechanical parts
Automotive and industrial components
Q7: What standards or certifications are provided for C27450 Brass?
A: C27450 typically meets ASTM and EN standards. Mill Test Certificates (MTC EN 10204 3.1) are available, and third-party inspections (SGS, TUV, BV) can be arranged.
Q8: How do I specify custom sizes or tolerances?
A: Customers can provide drawings, desired temper, surface finish, and dimensional tolerances, and we can supply custom rods, bars, profiles, or machined parts to meet these requirements.
Q9: What are the key advantages of C27450 over other brass alloys?
A: Compared with standard yellow brass (C26000 / C27200), C27450 offers:
Higher mechanical strength
Good wear resistance
Excellent machinability for precision parts
Suitable for forging and hot-working applications
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