QAL-155 Solderable Directly Enameled Aluminum Round Wire – Class 155
$6.00 per kg
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QAL-155
Solderable Directly Enameled Aluminum Round Wire – Class 155, Polyurethane, Lightweight Alternative for Electronic Coils
QAL-155 is a high-performance solderable polyurethane enameled aluminum wire with direct solderability – the insulation layer can be soldered through without pre-stripping. This unique feature makes it ideal for high-speed automated winding and soldering processes in electronic applications where weight reduction is a priority.
Aluminum conductors provide a significant weight advantage – approximately one-third the weight of copper – making QAL-155 the ideal choice for lightweight electronic coils, transformers, sensors, and automotive components where every gram matters.
With a thermal class of 155°C (Class F) and polyurethane insulation, this wire offers excellent solderability at typical soldering temperatures while maintaining reliable thermal performance. The direct solderability eliminates the need for mechanical or chemical stripping, enabling efficient and cost-effective manufacturing.
Key Features & Benefits
Polyurethane insulation can be soldered through without pre-stripping – ideal for high-speed automated manufacturing.
Continuous operation at 155°C (Class F) – suitable for most electronic applications.
Approximately one-third the weight of copper – ideal for weight-sensitive electronic applications.
Available from 0.15 mm to 2.00 mm to suit various winding specifications.
Ideal for lightweight transformers, sensors, relays, and automotive electronic components.
Manufactured to ISO 9001 and IATF 16949 standards.
Product Parameters
| Model Number | Conductor Material | Thermal Class | Insulation Material | Diameter (mm) |
|---|---|---|---|---|
| QAL-1/155 | Aluminum | 155 | Polyurethane | 0.15 – 2.00 |
💡 Key Technical Data: Heat Shock: 175°C · Cut-through Temperature: 200°C
※ Custom conductor diameters and film grades are available upon request.
Dimensional Specifications
| Conductor Dia. (mm) | Tolerance (±mm) | Min. Film Thickness (mm) Grade 1 / 2 / 3 | Max. Outside Dia. (mm) Grade 1 / 2 / 3 | Aluminum Resistance (Ω/m) Min / Max |
|---|---|---|---|---|
| 0.15 | 0.003 | 0.012 / 0.023 / 0.033 | 0.171 / 0.182 / 0.193 | 1.484 / 1.643 |
| 0.20 | 0.003 | 0.014 / 0.027 / 0.039 | 0.226 / 0.239 / 0.252 | 0.8432 / 0.9150 |
| 0.30 | 0.004 | 0.019 / 0.035 / 0.053 | 0.334 / 0.352 / 0.360 | 0.3735 / 0.4081 |
| 0.40 | 0.005 | 0.021 / 0.040 / 0.060 | 0.439 / 0.459 / 0.478 | 0.2118 / 0.2276 |
| 0.50 | 0.005 | 0.024 / 0.045 / 0.067 | 0.544 / 0.566 / 0.587 | 0.1362 / 0.1449 |
| 0.60 | 0.006 | 0.027 / 0.050 / 0.075 | 0.649 / 0.674 / 0.698 | 0.0946 / 0.1006 |
| 0.70 | 0.007 | 0.028 / 0.053 / 0.080 | 0.752 / 0.779 / 0.804 | 0.06951 / 0.07394 |
| 0.80 | 0.008 | 0.030 / 0.056 / 0.085 | 0.855 / 0.884 / 0.911 | 0.05322 / 0.05661 |
| 0.90 | 0.009 | 0.032 / 0.060 / 0.090 | 0.959 / 0.989 / 1.018 | 0.04205 / 0.04473 |
| 1.00 | 0.010 | 0.034 / 0.063 / 0.095 | 1.062 / 1.094 / 1.124 | 0.03406 / 0.03623 |
| 1.20 | 0.013 | 0.035 / 0.067 / 0.100 | 1.311 / 1.344 / 1.376 | 0.02362 / 0.02520 |
| 1.40 | 0.014 | 0.036 / 0.069 / 0.103 | 1.468 / 1.502 / 1.535 | 0.0174 / 0.0185 |
| 1.60 | 0.016 | 0.038 / 0.071 / 0.107 | 1.670 / 1.706 / 1.740 | 0.0134 / 0.0143 |
| 2.00 | 0.020 | 0.040 / 0.075 / 0.113 | 2.074 / 2.112 / 2.148 | 0.0086 / 0.0092 |
※ Full dimensional table including all diameters from 0.15 mm to 2.00 mm is available upon request. Contact us for complete data.
Typical Applications
QAL-155 is widely used in lightweight electronic applications requiring fine wire and direct solderability:
Manufacturing Facilities
Packaging & Transportation
| Spool Type | d1 (mm) | d4 (mm) | l1 (mm) | l2 (mm) | d14 (mm) | Spool Weight (g) | Net Wire Weight (kg) | Recommended Wire Size (mm) | Spools per Box |
|---|---|---|---|---|---|---|---|---|---|
| PT-2 | 105 | 20 | 170 | 150 | 115 | 160 | 3 | 0.002 – 0.040 | 8 |
| PT-4 | 124 | 26.5 | 200 | 170 | 140 | 240 | 6 | 0.040 – 0.250 | 4 |
| PT-10 | 160 | 30 | 230 | 200 | 180 | 420 | 12 | 0.250 – 0.900 | 2 |
| PT-15 | 180 | 30 | 230 | 200 | 200 | 560 | 18 | 0.250 – 0.900 | 1 |
| PT-25 | 215 | 32 | 280 | 250 | 230 | 780 | 28 | 0.400 – 2.500 | 1 |
| PT-45 | 236 | 100 | 400 | 335 | 250 | 2150 | 45 | 0.400 – 2.500 | 1 |
| PT-60 | 270 | 45 | 400 | 350 | 300 | 2750 | 65 | 0.400 – 2.500 | 1 |
| PT-90 | 300 | 100 | 500 | 425 | 315 | 3900 | 90 | 1.000 – 5.000 | 1 |
Get a Quote
Need QAL-155 lightweight solderable wire for your electronic application?
Contact our engineering team for free samples, technical datasheets, or a customized quotation.
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📞 Tel: +86-13621982708 | 🌐 www.chingcung.com
| Model Number | QAL-1/155 |
|---|---|
| Thermal Class | Class 155 (Temperature Resistance 155-175 centigrade degrees) |
| Material | Aluminum |
| Color | Natural |
| Application | Motor Windings, Transformers, Inductors, etc. |
| Standard | NEMA, IEC, GB, JIS |
| HS Code | 8544190000 |
| Conductor Type | Solid |
| Conductor Size | 0.15 – 2.00 mm in diameter. |
| Insulation Film | Polyurethane |
| Cut-through | 200 centigrade degrees |
| Conductor Diameter | 0.15mm, 0.16mm, 0.17mm, 0.18mm, 0.19mm, 0.20mm, 0.21mm, 0.22mm, 0.23mm, 0.24mm, 0.25mm, 0.26mm, 0.27mm, 0.28mm, 0.29mm, 0.30mm, 0.31mm, 0.32mm, 0.33mm, 0.34mm, 0.35mm, 0.36mm, 0.37mm, 0.38mm, 0.39mm, 0.40mm, 0.41mm, 0.42mm, 0.43mm, 0.44mm, 0.45mm, 0.46mm, 0.47mm, 0.48mm, 0.49mm, 0.50mm, 0.51mm, 0.52mm |
1 review for QAL-155 Solderable Directly Enameled Aluminum Round Wire – Class 155
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Leon Xu –
With declining global copper production leading to high copper prices, aluminum has long been an ideal alternative for manufacturers and research institutions, resulting in the increasingly widespread application of aluminum enameled wires. However, due to the slightly higher difficulty in stripping the enamel from aluminum enameled wires, direct-soldering polyurethane enameled aluminum wire is becoming more popular among users.