C48500 Naval Brass Pipe Manufacturer & Supplier

C48500 Naval Brass Pipe is a high-leaded copper alloy tubing which has been designed for marine and industrial applications that demand corrosion resistance and good machinability. It is a combination of copper, zinc, tin and lead that guarantees reliability in seawater usage and enables quicker turning, boring, threading, etc. machining processes. It is especially valuable when sections of pipe need to be precisely formed into fittings, connectors, valves, and other engineered items. C48500 naval brass pipes can be provided in seamless and customized shape, dimension to match the requirements of the project. They are found in all kinds of marine equipment, shipbuilding, oilfield systems, and power generation facilities. USA Piping Solution is a manufacturer and supplier of C48500 Naval Brass Pipes that are supplied with material certification and traceability for challenging industrial applications across the globe.

Specifications of C48500 Naval Brass Pipe

Standard System	Specification / Designation
UNS / ASTM	UNS C48500 / ASTM B21 (wrought alloy composition reference)
European (EN)	CW712R / CuZn36Pb2Sn1
British Standard (BS)	CZ134 (High-Leaded Naval Brass)
ISO Standard	CuZn36Pb2Sn1

Chemical Compositions of C48500 Naval Brass Pipe

Element	Copper (Cu)	Lead (Pb)	Tin (Sn)	Iron (Fe)	Total Other Elements	Zinc (Zn)
Minimum (%)	59.0%	1.3%	0.5%	—	—	Remainder
Maximum (%)	62.0%	2.2%	1.0%	0.1%	0.4%	Remainder

Mechanical Properties of C48500 Naval Brass Pipe

Form / Size Range	Tensile Strength (Min / Typ)	Yield Strength (0.2% Offset)	Elongation in 50 mm (Min)	Hardness (Rockwell B)
Round / Hex (Up to 1/2" / 12.7 mm)	480 – 550 MPa (70 – 80 ksi)	240 – 310 MPa (35 – 45 ksi)	15%	70 – 85 HRB
Round / Hex (1/2" to 1" / 12.7–25.4 mm)	450 – 520 MPa (65 – 75 ksi)	210 – 280 MPa (30 – 40 ksi)	20%	65 – 80 HRB
Round / Hex (1" to 2" / 25.4–50.8 mm)	415 – 480 MPa (60 – 70 ksi)	170 – 240 MPa (25 – 35 ksi)	25%	60 – 75 HRB
Over 2" (50.8 mm OD)	380 – 450 MPa (55 – 65 ksi)	140 – 210 MPa (20 – 30 ksi)	30%	55 – 70 HRB

C48500 Naval Brass Pipe Physical Properties

Physical Property	Density	Specific Gravity	Melting Range	Thermal Conductivity	Coeff. of Thermal Expansion	Electrical Conductivity	Specific Heat Capacity	Modulus of Elasticity (E)	Modulus of Rigidity (G)
Metric Value	8.44 g/cm³	8.44	885°C – 900°C	116 W/m·K	21.2 × 10â»â¶ /°C	26% IACS @ 20°C	380 J/kg·K	100 GPa	37 GPa
Imperial Value	0.305 lb/in³	8.44	1625°F – 1650°F	67 BTU/h·ft·°F	11.8 × 10â»â¶ /°F	26% IACS @ 20°C	0.09 BTU/lb·°F	14,500 ksi	5,400 ksi

Fabrication & Processing Properties

Fabrication Process	Capacity / Rating	Technical Guidance
Machinability Rating	70% (Relative to C36000 = 100%)	Excellent for automatic CNC lathes, high-speed boring, and precision thread tapping.
Forgeability Rating	90 (Hot Forgeability)	Excellent hot working characteristics in the 650°C to 775°C (1200°F–1420°F) range.
Soldering	Excellent	Recommended for low-temperature leak-tight joining.
Brazing	Excellent	Silver alloy brazing yields high structural joint efficiency.
Oxyacetylene Welding	Not Recommended	Lead content causes hot shortness and severe porosity in fusion zones.
Gas Shielded Arc Welding (TIG/MIG)	Not Recommended	High risk of cracking and toxic lead fumes; mechanical joining preferred.
Coated Metal Arc Welding (SMAW)	Not Recommended	Unsuitable due to lead-induced hot shortness.
Spot / Seam / Butt Welding	Fair to Poor	Resistance welding requires strict thermal control and clean faces.
Cold Working Capacity	Fair	Limited cold deformation; intermediate annealing required for tight radius bends.
Hot Forming Capacity	Excellent	Easily hot extruded, hot pressed, or hot forged into complex hollow shapes.

Applications and Industrial Usage of C48500 Naval Brass Pipe

Marine Piping Systems
Shipbuilding Equipment
Offshore Oil & Gas Equipment
Marine Valves and Fittings
Oilfield Equipment
Power Generation Systems
Seawater Handling Equipment
Precision-Machined Components

Frequently Asked Questions

What is C48500 Naval Brass Pipe?

C48500 Naval Brass Pipe is a high-leaded copper alloy pipe designed for marine and industrial applications requiring corrosion resistance and good machinability.

What is C48500 Naval Brass used for?

It is used for marine piping, shipbuilding equipment, valves, fittings, oilfield equipment, and seawater handling systems.

Is C48500 Naval Brass suitable for seawater applications?

Yes, C48500 provides good resistance to seawater corrosion and is suitable for marine service.

Is C48500 Naval Brass resistant to dezincification?

Yes, its controlled tin content improves resistance to dezincification in marine and seawater environments.

What is the ASTM standard for C48500 Naval Brass?

C48500 Naval Brass is covered by ASTM B21/B21M for naval brass products.

Is C48500 Naval Brass available as seamless pipe?

Yes, C48500 Naval Brass can be supplied as seamless pipe and tube in various sizes and dimensions.