Xi'an Dongmeng Group Co., Ltd. is one of the most reliable manufacturers and suppliers of c84400 leaded semi-red 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.
C84400 Leaded Semi-Red Brass-widely known as C84400 Casting Brass-is a versatile copper alloy used in plumbing fittings, pump components, valve bodies, cast housings, faucets, and hydraulic parts. As a top C84400 brass manufacturer, supplier, and exporter in China, Xi'an Dongmeng Group Co., Ltd. provides high-quality C84400 castings, sand-cast parts, continuous cast bars, centrifugal cast tubes, and CNC-machined components that comply with ASTM B584. We offer OEM brass casting solutions, engineering support, custom machining, competitive factory pricing, and fast global delivery, making us the preferred C84400 brass supplier for plumbing, machinery, and industrial equipment manufacturers 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
Products Description
Grade: C84400
Name: Leaded Semi-Red Brass / Casting Brass
Standards: ASTM B584
Forms: Bars • Rods • Tubes • Sand Castings • CNC Parts
Processes: Sand Casting • Centrifugal Casting • Continuous Casting • Precision Machining
Industries: Plumbing • Pump & Valve • Machinery • HVAC • Hardware
Specifications (Metric & Imperial)
1. Castings (Sand / Gravity / Centrifugal)
Weight: 0.1 kg – 2,500 kg
Mold types: sand cast • investment cast • permanent mold
Machining tolerance: ±0.01 mm
2. Continuous Cast / Centrifugal Tubes
| Size | Metric | Imperial |
|---|---|---|
| ID | 20–550 mm | 0.78"–22" |
| OD | 40–850 mm | 1.57"–33" |
| Length | 300–3000 mm | 12"–118" |
| Tolerance | ±0.05 mm | ±0.002" |
3. Bars & Rods
| Diameter | Metric | Imperial |
|---|---|---|
| Ø | 20–350 mm | 0.78"–14" |
| Length | 1–6 m | 39"–236" |
Chemical Composition (ASTM B584 – C84400)
| Element | % |
|---|---|
| Copper (Cu) | 78–82 |
| Tin (Sn) | ≤0.20 |
| Lead (Pb) | 6.0–8.0 |
| Zinc (Zn) | Balance |
| Iron (Fe) | ≤0.20 |
Key Features & Advantages (Technical + Marketing Enhanced)
1. Excellent Casting Performance
High fluidity → perfect mold filling
Very low porosity → pressure-tight components
Stable shrinkage → precise dimensional accuracy
2. Cost-Effective & Versatile Alloy
Most economical alloy for pump, valve, plumbing, and hardware casting
Ideal for complex shapes and high-volume production
3. Good Machinability
6–8% lead ensures easy cutting
Supports high-speed CNC machining
4. Good Corrosion Resistance
Performs well in:
Potable water
Industrial fluids
Mild corrosive environments
5. Reliable Mechanical Strength
Suitable for static and moderate dynamic loads
Widely used in industrial hardware and plumbing assemblies
Applications of C84400
C84400 is one of the most widely used casting brasses for:
Plumbing fittings, faucet bodies, connectors
Pump housings, impellers, pump covers
Valve bodies, gate valves, check valves
Hardware parts, hinges, mechanical castings
HVAC components & compressor parts
General engineering castings
Inspection & Quality Assurance
Chemical composition control using spectrometer
Dimensional inspection with CMM, calipers, micrometers
Cast integrity checks:
X-ray test
Ultrasonic test (UT)
Hydraulic pressure test
Surface quality: No cracks, porosity, shrinkage
Certificates: MTC (EN 10204 3.1), SGS / TÜV / BV available
Product Delivery Standards
Export-ready packaging: wooden crates + waterproof film
Heat numbers & full traceability
OEM machining, custom casting, batch production
Shipping terms: FOB / CIF / CFR / EXW
Worldwide delivery with fast lead times
Xi'an Dongmeng Group Co., Ltd.
Professional Supplier of C84400 Brass Castings & CNC Machined Components
Our address
Room 4107, Runfeng Building, Sanqiao New Street, Weiyang District, Xi'an City, Shaanxi Province
Phone Number
+86 15769214734
FAQ
Q1: Can you provide full material traceability and MTC for each batch?
Yes. Every shipment includes an EN10204 3.1 Mill Test Certificate, showing chemical composition, heat number, and mechanical properties.
Full heat traceability is available from raw material to finished product.
Q2: What standards do your C84400/C83600/C83800 products comply with?
We supply materials strictly according to:
ASTM B584 / B505 / B62
ASME / SAE
Customer-specified standards or OEM specifications
Third-party inspections (SGS/TÜV/BV) are available.
Q3: What is your production capability for castings and machined parts?
Casting weight range: 0.1–2500 kg
Processes: Sand Casting / Centrifugal Casting / Continuous Casting
CNC machining tolerance: ±0.01 mm
Max OD for tubes: 900 mm
Suitable for both small-batch prototypes and mass industrial production.
Q4: Do you have stock, or do you produce on order?
For common brass/bronze sizes, we keep regular stock.
Custom castings and machined components are made on order with flexible lead times.
Q5: What is your MOQ?
Standard bars/tubes: No strict MOQ
Custom castings: MOQ depends on drawing complexity or mold requirements
We support small trial orders before mass production.
Q6: What is your typical lead time?
Stock supply: 3–7 days
Machining: 7–20 days
Custom casting: based on weight & complexity (usually 15–30 days)
We also support urgent orders for project deadlines.
Q7: Do you provide OEM/ODM services based on customer drawings?
Yes. We provide full OEM machining and casting based on:
Drawings (PDF / STEP / DWG)
Samples
Dimension lists
Engineering support is provided for material selection, machining optimization, and redesign if needed.
Q8: What quality inspection steps do you perform?
Depending on the product and application:
Chemical analysis (spectrometer)
Tensile and hardness tests
X-ray, UT, MPI (for cast integrity)
Dimensional inspection (CMM / vernier / micrometer)
Pressure/leakage tests for pump/valve components
Surface finish inspection
Q9: How do you package and ship the goods?
Export-standard wooden cases & pallets
Waterproof film + foam protection
Customized packaging for CNC parts
We provide FOB, CIF, CFR, EXW, and arrange global shipping.
Q10: Can you support long-term supply for OEM projects?
Yes. We work with many industrial OEMs and can provide:
Annual supply plans
Long-term pricing agreements
Safety stock preparation
Batch record archiving
Project-based technical support
Q11: Do you accept third-party inspections before shipment?
Yes. Any SGS / TÜV / BV / Intertek inspection is welcome.
Q12: What documents can you provide for customs and project audit?
We can supply:
Commercial invoice
Packing list
Certificate of origin (Form E/F/M/P)
MTC (EN10204 3.1)
Heat treatment report
Dimensional report
Inspection report
SGS/TÜV certification (optional)
Q13: Can you provide samples?
Yes.
Free samples are available for small sizes; for castings, sample cost depends on mold design.
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