
L63 Aluminium, also known as naval Aluminium, is a copper alloy containing approximately 60% copper, 38% zinc, and 2% tin. The high tin content gives L63 Aluminium exceptional resistance to corrosion, particularly in marine environments where exposure to seawater, salt, and humidity is common. It offers a unique blend of durability, machinability, and resistance to corrosion, making it ideal for use in harsh environments. This alloy is highly valued in industries that require materials that can withstand extreme conditions. L63 Aluminium is commonly used in marine applications such as propellers, ship hull fittings, and valve components, where its resistance to seawater corrosion is critical. Additionally, it is used in industrial machinery, automotive components, and electrical systems, offering a combination of strength and ease of machining. The alloy’s ability to endure corrosion from a variety of harsh chemicals and its excellent performance in high-stress, high-wear environments make it a popular choice for components that need both strength and longevity.

L63 Aluminium, also known as naval Aluminium, is a copper alloy containing approximately 60% copper, 38% zinc, and 2% tin. The high tin content gives L63 Aluminium exceptional resistance to corrosion, particularly in marine environments where exposure to seawater, salt, and humidity is common. It offers a unique blend of durability, machinability, and resistance to corrosion, making it ideal for use in harsh environments. This alloy is highly valued in industries that require materials that can withstand extreme conditions. L63 Aluminium is commonly used in marine applications such as propellers, ship hull fittings, and valve components, where its resistance to seawater corrosion is critical. Additionally, it is used in industrial machinery, automotive components, and electrical systems, offering a combination of strength and ease of machining. The alloy’s ability to endure corrosion from a variety of harsh chemicals and its excellent performance in high-stress, high-wear environments make it a popular choice for components that need both strength and longevity.
| Grade : | L63 ( Л63 ) ( Л63А ) |
| Substitute: | Copper-zinc alloys pressure treated |
| Equivalent grades: | Go here |
| Fe | P | Cu | Pb | Zn | Sb | Bi | Impurity |
|---|---|---|---|---|---|---|---|
| max 0.2 | max 0.01 | 62 - 65 | max 0.07 | 34.22 - 37.5 | max 0.005 | max 0.002 | all 0.5 |
Comment: Zn is a basis; the percentage of Zn is given approximately.
| Assortment | Dimension | Direct. | σB | σT | δ5 | ψ | KCU | Heat treatment |
|---|---|---|---|---|---|---|---|---|
| - | (mm) | - | (MPa) | (MPa) | (%) | (%) | (kJ/m²) | - |
| Pipe, GOST 494-90 | 270 | |||||||
| Bar, GOST 2060-2006 | 290 | 44 | ||||||
| Bar, GOST 2060-2006 | 440 | 11 | ||||||
| Bar, GOST 2060-2006 | 290 | 33 | ||||||
| Wire, GOST 12920-67 | 310-340 | 26-34 | ||||||
| Wire, GOST 12920-67 | 540-880 | |||||||
| Wire, GOST 1066-90 | 310-340 | 18-34 | ||||||
| Wire, GOST 1066-90 | 540-930 | |||||||
| Strip, GOST 931-90 | 410-570 | 8 | ||||||
| Strip hotrolled, GOST 931-90 | 290-390 | 30 | ||||||
| Strip, GOST 931-90 | 290-400 | 38 |
| Brinell hardness for L63 ( Л63 ) , Sheet GOST 2208-2007 | HB 10 -1 = 70 MPa |
| Pipe GOST 8733-74 | HB 10 -1 = 70 MPa |
| Bar GOST 10702-78 | HB 10 -1 = 130 MPa |
| Friction coefficient with oil : | 0.012 |
| Friction coefficient without oil : | 0.39 |
| Melting temperature : | 906 °C |
| Forging temperature : | 750 - 880 °C |
| Annealing temperature : | 550 - 650 °C |
Bushings and Bearings: Due to its excellent machinability and wear resistance, L63 Aluminium is widely used in the manufacturing of bushings and bearings that require long-lasting performance.
Precision Engineering Parts: It is the preferred material for high-precision components used in industries like automotive, aerospace, and electronics.
Valve Bodies and Fittings: L63 Aluminium is commonly used in the production of valve bodies and fittings, thanks to its durability and ease of machining.
Certified Quality: Our L63 Aluminium is sourced from trusted manufacturers and meets strict quality standards for use in engineering applications.
Fast Delivery Across India: We guarantee fast and reliable delivery to meet your project deadlines.
Wide Range of Forms: We offer L63 Aluminium in billet, ingot, bar, and sheet forms, providing the flexibility to meet your manufacturing needs.
Competitive Pricing: As a trusted L63 Aluminium supplier, we offer competitive pricing without compromising on quality.
B05 - Welding and cutting of metals, Soldering, riveting
B32 - Ribbons
B53 - Sheets and Strips
B54 - Ribbons
B55 - Bars
B65 - Pipes of non-ferrous metals and alloys
B74 - Wire made of non-ferrous metals and their alloys
B76 - Metal nets
σB - Tensile strength [MPa]
σT - Yield stress [MPa]
δ5 - Specific elongation at fracture [%]
ψ - Reduction of area [%]
KCU - Impact strength [kJ/m²]
HB - Brinell hardness [MPa]
T - Test temperature [Grade]
E - Young modulus [MPa]
α - Coefficient of linear expansion (20° - T) [1/Grade]
λ - Thermal (heat) condition coefficient [Watt/(m·Grade)]
ρ - Density [kg/m³]
C - Specific heat (range 20° - T) [J/(kg·Grade)]
R - Electrical resistance [Ohm·m]
For more information or to place an order, contact Russian Metals today. We specialize in providing the best quality GOST L63 aluminum at competitive prices for industrial, defense, and aerospace applications.