ER4043 is the most widely used general-purpose aluminum MIG/TIG filler — an aluminum-silicon alloy that produces a smooth, fluid weld pool with excellent crack resistance and low spatter. Its softer wire and superb feedability make it the easiest aluminum grade to run on high-speed robotic MIG lines.ER4043 是用途最廣的通用型鋁焊線——鋁矽合金,焊池流動性佳、抗裂性優、噴濺低。線材較軟、送線極順,是高速機器人 MIG 產線最容易上手的鋁焊型號。
Weight %, per AWS A5.10 classification limits重量百分比,依 AWS A5.10 分類限值
| Element元素 | Content (wt%)含量 (wt%) |
|---|---|
| Si 矽 | 4.5 – 6.0 |
| Fe 鐵 | ≤ 0.8 |
| Cu 銅 | ≤ 0.30 |
| Mn 錳 | ≤ 0.05 |
| Mg 鎂 | ≤ 0.05 |
| Zn 鋅 | ≤ 0.10 |
| Ti 鈦 | ≤ 0.20 |
| Be 鈹 | ≤ 0.0003 |
| Others 其他 | each ≤0.05 / total ≤0.15 |
| Al 鋁 | Balance 餘量 |
Typical all-weld-metal, as-welded典型全焊縫金屬,焊態
| Property性質 | Typical Value典型值 |
|---|---|
| Tensile / 抗拉強度 (UTS) | ~165 MPa (24 ksi), typical 典型 |
| Elongation / 延伸率 | ~8% typical |
| Melting range / 熔點範圍 | 574 – 632 °C |
| Density / 密度 | 2.69 g/cm³ |
Automotive components, 6xxx extrusions, castings repair, heat exchangers, and general fabrication where a smooth bead and high crack resistance matter.汽車零件、6xxx 擠型件、鑄件修補、熱交換器,以及重視焊道平滑與抗裂的一般製造。
Composition shown is the AWS A5.10 classification range. Certified mill values for a specific heat/batch are available with each shipment — contact GOLDING.所列成分為 AWS A5.10 分類範圍。各批次經認證的實測值隨貨提供——請洽 GOLDING。