Xi'an Dongmeng Group Co., Ltd. is one of the most reliable manufacturers and suppliers of C48500 Leaded Naval Brass | CuZnSnPb Marine Brass Rod Supplier ASTM B21 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.
Xi'an Dongmeng Group Co., Ltd. is a leading C48500 Leaded Red Brass supplier, manufacturer, and exporter, providing high-quality C48500 brass rods, bars, tubes, profiles, forging billets, and precision-machined components for global industrial buyers. Our C48500 products comply with ASTM B121 / UNS C48500 standards, delivering excellent machinability, high corrosion resistance, dimensional stability, and pressure-tight performance for valves, pumps, fittings, plumbing hardware, and OEM machined components.
With strong manufacturing capacity, strict quality control, and export-grade packaging, Xi'an Dongmeng Group Co., Ltd. supports distributors, wholesalers, brand factories, and engineering contractors with custom sizes, CNC machining, forging, surface finishing, and fast delivery worldwide.
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High Quality
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Advanced Equipment
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Professional Team
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Custom Service
What Makes C48500 Different from Other Naval Brass?
C48500 is not a standard naval brass - it is a high-leaded machinable engineering alloy designed for precision parts in harsh environments.
Compared with traditional naval brass (C46400), C48500 provides:
Much higher machining efficiency
Lower tool wear in CNC production
Better dimensional stability
Improved performance in high-volume manufacturing
👉 That is why it is widely used in valves, marine fittings, hydraulic systems, and precision screw parts.
Products Description
Material: C48500 Leaded Red Brass
Standards: ASTM B121 / UNS C48500 / SAE J461
Forms: Rod | Bar | Tube | Forging Stock | Machined Parts
Processing: Extrusion | Forging | CNC Machining | Cutting
Features: Superior machinability, corrosion resistance, high sealing performance
Applications: Valves, fittings, pumps, plumbing systems, hardware components
Key Selling Points
✔ Direct factory supply with consistent quality
✔ Excellent machinability reduces cutting time & tool wear
✔ Pressure-tight & corrosion-resistant, ideal for water & gas fittings
✔ OEM & ODM support for engineered brass components
✔ Fast delivery & stock availability
✔ Export packaging suitable for sea & air shipment
Product Description & Features
C48500 is a leaded red brass alloy designed for precision machining, high pressure resistance, and excellent corrosion performance. Its higher tin and lead content ensures:
Smooth chip formation during machining
High corrosion resistance in water, mild acids, and gas systems
Excellent forging and casting characteristics
Low dimensional deformation for CNC finishing
Smooth surface finish suitable for functional and decorative hardware
Specifications (Metric & Imperial)
1. Rods / Bars
| Product Form | Metric Size (mm) | Imperial Size (inch) | Tolerance | Notes / Custom Options |
|---|---|---|---|---|
| Round Rod | Ø10–200 | Ø0.39"–7.87" | H7 / H8 / H9 | Can be cut-to-length, forged, or CNC machined |
| Square Bar | 10×10–150×150 | 0.39"–6" | ±0.05–0.10 mm | Custom sizes available |
| Hex Bar | 10–120 | 0.39"–4.72" | ±0.05–0.10 mm | Suitable for CNC machining & threading |
2. Tubes
| Tube Type | OD (mm) | OD (inch) | Wall Thickness (mm) | Wall Thickness (inch) | Tolerance | Notes |
|---|---|---|---|---|---|---|
| Seamless Tube | 10–120 | 0.39"–4.72" | 1–20 | 0.04"–0.79" | H9 / Custom | Suitable for valves, pumps, fittings |
| Welded Tube | 12–150 | 0.47"–5.91" | 1–15 | 0.04"–0.59" | ±0.05–0.10 mm | Can be supplied cut-to-length |
3. Forged Stock / Profiles
| Product Form | Metric Size | Imperial Size | Tolerance | Notes |
|---|---|---|---|---|
| Forged Billets | Ø20–200 | Ø0.79"–7.87" | ±0.05–0.15 mm | Suitable for custom valves, pump bodies |
| Special Profiles | As per drawing | As per drawing | ±0.05–0.10 mm | CNC-ready, custom shapes for OEM |
4. Customization & Special Options
Non-standard diameters or lengths
Custom wall thickness for tubes
Special tolerance H7/H8/H9/H10 for precision machining
Extrusion & forging for complex profiles
Cut-to-length & pre-machining available
Chemical Composition (Typical %)
| Element | Content (%) |
|---|---|
| Copper (Cu) | 80.0–85.0 |
| Tin (Sn) | 4.0–6.0 |
| Zinc (Zn) | Balance |
| Lead (Pb) | 2.0–4.0 |
| Iron (Fe) | ≤0.1 |
| Others | ≤0.2 |
Mechanical Properties
| Property | Typical Value |
|---|---|
| Tensile Strength | 310–380 MPa |
| Yield Strength | 90–120 MPa |
| Elongation | 20–35% |
| Hardness | 70–90 HB |
| Density | 8.7 g/cm³ |
Products Applications
🚢 Marine Engineering
Valve stems
Seawater pump parts
Ship fittings
⚙️ Industrial Machinery
Bushings
Gears
Wear components
🔩 Precision Manufacturing
Screw machine parts
Fasteners
Threaded components
💧 Hydraulic Systems
Valve bodies
Fluid control components
Processing & Custom Services
CNC machining: turning, milling, threading
Cutting, drilling, slotting
Forging & extrusion
Polishing & surface finishing
OEM/ODM production for custom orders
Custom packaging & labeling
C48500 vs Common Naval Brass
| Property | C48500 (This Alloy) | C46400 Naval Brass | C36000 Free Cutting Brass |
|---|---|---|---|
| Machinability | ⭐⭐⭐⭐⭐ | ⭐⭐⭐ | ⭐⭐⭐⭐⭐ |
| Marine Resistance | ⭐⭐⭐⭐ | ⭐⭐⭐⭐⭐ | ⭐⭐⭐ |
| Strength | ⭐⭐⭐⭐ | ⭐⭐⭐⭐ | ⭐⭐⭐ |
| Lead Content | Medium | Low | High |
| Best Use | Precision marine parts | Heavy marine structures | Fast machining parts |
👉 Why buyers choose C48500?
Because it is the best balance between marine corrosion resistance + machining efficiency
Why Engineers Prefer C48500
✔ High-speed CNC machining capability
✔ Excellent chip-breaking performance
✔ Stable performance in seawater systems
✔ Reduced maintenance cost in marine components
✔ Suitable for mass production parts
Fabrication Performance
Machining: ⭐ Excellent
Hot forming: Good
Cold working: Limited
Welding: Not recommended
Brazing: Good
Inspection & Quality Assurance
Raw material chemical analysis (spectrometer)
Tensile & hardness tests
Dimensional inspection and surface defect check
Leak-proof & pressure testing
Third-party inspection: SGS / TUV / BV available
Material Test Certificate EN10204 3.1 provided
Product Delivery Standards
ASTM B21 / ASTM B124 compliant
ISO manufacturing system
Rod / bar / custom shapes available
Export packaging (wooden case / bundle)
Mill Test Certificate (MTC included)
Global shipping support
Looking for a reliable C48500 Leaded Red Brass supplier with stable quality, competitive pricing, and global delivery?
Xi'an Dongmeng Steel Co., Ltd. is your trusted partner for brass rods, bars, tubes, forged billets, and precision-machined parts.
Our address
Room 4107, Runfeng Building, Sanqiao New Street, Weiyang District, Xi'an City, Shaanxi Province
Phone Number
+86 15769214734
FAQ
Q1: What is C48500 and how is it different from C48200?
C48500 is a leaded red brass alloy with slightly higher tin content, providing better corrosion resistance, higher strength, and improved machinability. It is widely used for valves, pumps, fittings, and high-pressure applications.
Q2: What product forms are available for C48500?
We supply:
Round rods, square & hex bars
Seamless and welded tubes
Forged billets and profiles
CNC-machined components
Custom forms are available according to drawings or samples.
Q3: Can you provide customized sizes or tolerances?
Yes. We support:
Custom diameters and wall thickness
Cut-to-length rods, bars, and tubes
Special tolerances H7/H8/H9/H10
OEM/ODM machining and forging services
Q4: Are samples available?
Yes, free standard samples are available. Custom-machined or forged samples can also be arranged. Buyers only need to cover shipping costs.
Q5: Is C48500 suitable for potable water and plumbing systems?
Yes. Its controlled lead content and excellent corrosion resistance make it ideal for water valves, fittings, and plumbing components worldwide.
Q6: What is the typical lead time?
Stock items: 3–7 days
Custom machining, forging, or special profiles: 10–20 days
Rush orders can be arranged upon request
Q7: How do you ensure stable quality for international shipments?
We conduct:
Spectrometer chemical composition analysis
Tensile strength & hardness tests
Dimensional inspection and surface defect check
Pressure & leak-proof testing
Third-party inspection: SGS / TUV / BV available
EN10204 3.1 Material Test Certificate included
Q8: Can I order mixed sizes or alloys in one container?
Yes, we provide flexible consolidation for distributors and importers, supporting multiple alloys and sizes in a single shipment.
Q9: What packaging do you use for export?
Seaworthy export packaging: plastic film + anti-rust bag + wooden pallet/case
Custom labels, barcodes, and pallet marking available
Suitable for sea, air, or land transport
Q10: What payment methods do you accept?
We accept T/T, L/C, Western Union, and Alibaba Trade Assurance, offering full protection for overseas buyers.
Q11: Do you provide technical support for machining or application design?
Yes. Our engineering team provides material recommendations, machining solutions, tolerance guidance, and product design assistance for OEM/ODM projects.
Q12: Can you supply C48500 for long-term contracts?
Absolutely. We support annual contracts, monthly supply plans, and partnership programs for distributors and large projects.
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