2024 Aluminum Alloy Powder
Aluminum Alloy Powders · Metal Additive Manufacturing Powder
2024 (domestic equivalent 2A12) is the classic high-strength Al-Cu-Mg aerospace alloy: age-hardening response is strong and fatigue performance is excellent, which is why it has served for decades in aircraft skins and wing spars. In powder form it targets high-end load-bearing parts and repair/refurbishment rather than general AM volume: the hot-cracking tendency is higher than the Al-Si family (AlSi10Mg/AlSi7Mg), so a dedicated process window is required, and parts are used after T4/T6 aging. When sourcing, verify measured Cu/Mg content and hydrogen level, print coupon trials to check hot cracking and density, and require aged-condition (T4/T6) mechanical data from the supplier.
Typical Applications
2024 Aluminum Alloy Powder - Key Properties
| Chemical composition (wt%) | Al bal · Cu 3.8-4.9 · Mg 1.2-1.8 · Mn 0.3-0.9 · Si ≤0.5 · Fe ≤0.5 |
| Density | ~2.78 g/cm³ (standard typical value) |
| Melting range | ~502-638°C (standard typical value) |
| Heat treatment | T4 (solution + natural aging) / T6 (solution + artificial aging) |
| Production | Gas atomization (print process window needs dedicated development) |
| Standards | GB/T 3190 (2024 / 2A12) · UNS A92024 · AMS 4037 |
2 product offer(s) — 2 supplier(s)
Frequently Asked Questions
Is 2024 easy to print with LPBF?
No — 2024 has a higher hot-cracking tendency than the Al-Si grades. Printing requires a dedicated parameter window and usually T4/T6 post-processing. It is chosen for strength, not for printability; AlSi10Mg remains the easier default for aluminum LPBF.
What is 2024 powder mainly used for in AM?
High-strength load-bearing components, aerospace structural parts, and repair/refurbishment of aged 2024 airframe parts. In wrought form it remains the classic aircraft-skin alloy.
What should I check before buying 2024 powder?
Measured Cu/Mg chemistry and hydrogen content, plus coupon-level verification of hot-crack tendency and density. Require T4/T6 aged mechanical properties rather than as-atomized data.
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