Bronze Bars
Cast copper and copper alloy bars and tubes - bronze, brass and special brasses, EN 1982
MECHANICAL CHARACTERISTICS
These products are obtained through various casting processes: sand casting (GS), permanent mould casting (GM), centrifugal casting (GZ), continuous casting (GC) or pressure die casting (GP).
The table below shows the mechanical properties and other relevant characteristics of continuously cast bars (GC) and centrifugally cast tubes (GZ), intended for machining.
| Alloy symbol | Characteristics and uses | Typical minimum mechanical characteristics | ||||
|---|---|---|---|---|---|---|
| Chemical symbol | Number | Yield strength Rp0.2% (N/mm2) | Tensile strength (N/mm2) | Elongation % | Hardness (HV) | |
| Copper and copper-chromium (high-conductivity copper) | ||||||
| Cu-C | CC040A | It is excellent for electrical and thermal applications due to its high purity. It is the gold standard for power transmission. | 40 | 150 | 25 | 40 |
| CuCr1-C | CC140C | Reference material for marine applications; it has excellent resistance to erosion corrosion and cavitation, high strength under heavy loads, withstands very high pressures without deformation, and is difficult to machine due to its hardness and tendency to work-harden. | 200 | 300 | 10 | 95 |
| Copper-zinc (brasses) | ||||||
| CuZn33Pb2-C | CC750S | General-purpose applications | 70 | 180 | 12 | 50 |
| CuZn33Pb2Si-C | CC751S | Resistant to corrosion in general industrial environments and saline solutions, although it is not recommended for use in seawater (risk of dezincification under certain conditions). | 280 | 400 | 5 | 110 |
| CuZn35Pb2AI-C | CC752S | 120 | 280 | 10 | 70 | |
| CuZn37Pb2Ni1AlFe-C | CC753S | It is widely used in general engineering, for automotive components, pump housings and valves, where a balance between strength, sliding properties and ease of casting and machining is required. | 150 | 300 | 15 | 90 |
| CuZn39Pb1AI-C | CC754S | General purpose, extended use for sanitary installation fittings. The boron in CC755S provides superior strength to sections. | 120 | 280 | 10 | 70 |
| CuZn39Pb1AIB-C | CC755S | 180 | 350 | 13 | 90 | |
| CuZn15As-C | CC760S | Weldable. Good corrosion resistance | 70 | 160 | 20 | 45 |
| CuZn16Si4-C | CC761S | Excellent pressure die-casting properties (suitable for thin-walled and pressure-tight parts), good corrosion resistance in saline environments and mechanical properties superior to standard brasses. | 300 | 500 | 8 | 130 |
| CuZn25AI5Mn4Fe3-C | CC762S | High-tensile-strength cast parts when good wear resistance and high load capacity are required. | 480 | 750 | 5 | 190 |
| CuZn32AI2Mn2Fe1-C | CC763S | 150 | 430 | 10 | 100 | |
| CuZn34Mn3AI2Fe1-C | CC764S | 260 | 600 | 14 | 150 | |
| CuZn35Mn2Al1Fe1-C | CC765S | 200 | 500 | 18 | 120 | |
| CuZn37Al1-C | CC766S | General purpose. High-quality engineering casting | 170 | 450 | 25 | 105 |
| CuZn38AI-C | CC767S | 130 | 380 | 30 | 75 | |
| Cupru-staniu (bronz și bronz fosforos) | ||||||
| CuSn10-C | CC480K | 170 | 280 | 10 | 80 | |
| CuSn11P-C | CC481K | Ideal for medium- and heavy-load bearings, bushings for industrial and agricultural equipment, gears: low-speed worm wheels, wear parts: slides, pressure plates and other components subject to friction, pump housings and valves requiring pressure resistance. | 170 | 310 | 5 | 85 |
| CuSn11Pb2-C | CC482K | 150 | 300 | 5 | 90 | |
| CuSn12-C | CC483K | 150 | 300 | 6 | 90 | |
| CuSn12Ni2-C | CC484K | 180 | 300 | 10 | 95 | |
| Copper-tin-lead (leaded bronze) | ||||||
| CuSn3Zn8Pb5-C | CC490K | Exceptional emergency running properties; it can tolerate temporary lack of lubricant and has tolerance to impurities, can operate in dusty and granular (sand) environments, is suitable for applications where the main lubricant is water, and has very good machinability due to its high lead content | 100 | 220 | 12 | 70 |
| CuSn5Zn5Pb5-C | CC491K | 110 | 250 | 13 | 65 | |
| CuSn7Zn2Pb3-C | CC492K | 130 | 260 | 12 | 70 | |
| CuSn7Zn4Pb7-C | CC493K | 120 | 260 | 12 | 70 | |
| CuSn5Pb9-C | CC494K | 100 | 200 | 9 | 60 | |
| CuSn10Pb10-C | CC495K | 110 | 220 | 8 | 70 | |
| CuSn7Pb15-C | CC496K | 90 | 200 | 8 | 65 | |
| CuSn5Pb20-C | CC497K | 90 | 180 | 7 | 50 | |
| CuSn5Pb20-C | CC498K | 110 | 240 | 12 | 70 | |
| CuSn5Zn5Pb2-C | CC499K | 110 | 250 | 13 | 65 | |
| Copper-aluminium (aluminium bronzes) | ||||||
| CuAI9-C | CC330G | It excels in aggressive environments, being immune to corrosion from flowing seawater and to cavitation/erosion; it has excellent wear resistance and anti-seizing properties when running against stainless steels, can tolerate high static and dynamic loads, although it requires adequate lubrication for moving parts. | 170 | 470 | 15 | 100 |
| CuAI10Fe2-C | CC331G | 200 | 550 | 18 | 130 | |
| CuAI10Ni3Fe2-C | CC332G | 220 | 550 | 20 | 120 | |
| CuAI10Fe5NI5-C | CC333G | 280 | 650 | 12 | 150 | |
| CuAI11Fe6Ni6-C | CC334G | 380 | 750 | 5 | 185 | |
| Copper-magnesium-aluminium | ||||||
| CuMn11AI8Fe3Ni3-C | CC212E | Components for seawater handling, propellers | 275 | 630 | 18 | 150 |
| Copper-nickel | ||||||
| CuNi10Fe1Mn1-C | CC380H | High mechanical strength and corrosion resistance for the most demanding applications. Pipe fittings and flanges in chemical engineering. | 100 | 280 | 25 | 70 |
| CuNi30Fe1Mn1-C | CC381H | 120 | 340 | 18 | 80 | |
| CuNi30Cr2FeMnSi-C | CC382H | 250 | 440 | 18 | 115 | |
| CuNi30Fe1Mn1NbSI-C | CC383H | 230 | 440 | 18 | 115 | |