Aluminum En-Ac 21000 (EN AC-AL Cu4MgTi) is one Au Cu alloy with T4 temper.
Reference Standard：
DIN EN 1706:2013 Aluminium and aluminium alloys – Castings – Chemical composition and mechanical properties
En-Ac 21000 (EN AC-AL Cu4MgTi) Equivalent Aluminum Grades：
DIN 1725-2 Grade G-AlCu4TiMg (WT 3.1371)
ASTM B26 Grade. ANSI 204.0 (UNS A02040)
JIS H5202 Grade AC1B
Casting Manufacture Process for En-Ac 21000:
- Sand Casting
- Permanent Mold Casting
- Pressure Die Casting
- Investment Casting
En-Ac 21000 (EN AC-AL Cu4MgTi) Chemical Requirement
| Standard | EN 1706 |
| Numerical | EN AC-21000 |
| Chemical Symbols | EN AC – AlCu4MgTi |
| Si max | 0.20 (0.15) |
| Fe max | 0.35 (0.30) |
| Cu | 4.2-5.0 |
| Mn max | 0.10 |
| Mg | 0.15-0.35 (0.20-0.35) |
| Cr | – |
| Ni max | 0.05 |
| Zn max | 0.10 |
| Pb max | 0.05 |
| Sn max | 0.05 |
| Ti | 0.15-0.30 (0.15-0.25) |
| Others, each | 0.03 |
| Others, total | 0.10 |
| Aluminum | Remainder |
PDF VIEWOur Services
- Sand Casting
Casting Quality focus on Metal Parts industry, we provide professional service in Metal Casting field.
Sand Casting is a popular metal form method, are suitable for all materiel, such as grey iron, ductile iron, malleable iron, carbon steel, stainless steel, aluminum and bronze.
- Investment Casting
also named as precision lost wax casting, mainly suitalbe for carbon steel and stainless steel parts. We also provide grey iron and ductile iron and aluminum and bronze parts by investment casting. It can achieve the best appearance with good tolerance
- Shell Casting
Shell casting method is a good option to replace investment casting and sand casting. the quality is better than sand casting parts, suitable for bulk production.
- CNC Machining
CNC Milling, CNC turning with 5 xix CNC center, we provide precision machining for all castings based on customers design drawings.
- CAD Design
Mechanical Design service based on customers requirement, our software is Solidworks and AutoCAD.
- Tools/Mold Design
Mould design and production will be served for metal casting ad plastic injection industry. Based on our more than 10 years experience, we supply professional molds for our customers in Europe and North American.
En-Ac 21000 Mechanical Property
| Standard | EN 1706 | EN 1706 | EN 1706 | EN 1706 |
| Numerical | EN AC-21000 | EN AC-21000 | EN AC-21000 | EN AC-21000 |
| Chemical Symbols | EN AC – AlCu4MgTi | EN AC – AlCu4MgTi | EN AC – AlCu4MgTi | EN AC – AlCu4MgTi |
| Separately Cast Test Pieces | Sand Cast | Chill Cast | Investment Cast | Pressure Die Cast |
| Temper Designation | T4 | T4 | T4 | – |
| Tensile Strength Rm Mpa,min | 300 | 320 | 300 | – |
| Yield Strength Rp0.2 Mpa, min | 200 | 200 | 220 | – |
| Elongation, A %,min | 5 | 8 | 5 | – |
| Hardness, HBW, min | 90 | 90 | 90 | – |
Heat Treatment Process for EN-AC 21000 (EN AC-AL Cu4MgTi)：
T4, solution heat treted and naturally aged where applicable
EN-AC 21000 (EN AC-AL Cu4MgTi) Application：
Building Industry
Machinery Spare Parts
