Product Overview
This SCS7 solder material from ASAHI is an improved tin-copper (SnCu0.7) lead-free alloy designed for high-temperature wave soldering and dipping processes. Product information from ASAHI indicates a melting point of 227 °C. SCS7 is supplied as solder bar and as solid wire in several diameter sizes.
Material Properties
- Alloy: SnCu0.7 (tin–copper).
- Melting point: 227 °C (stated by the manufacturer ASAHI).
- Description from the manufacturer: improved ductility, increased mechanical strength at both ambient and elevated temperatures, improved fatigue resistance compared to previous SnCu alloys, low drossing, and good wettability.
Typical Applications
ASAHI states the following applications for SCS7 directly on the product data sheet:
- Wave soldering.
- Dipping processes.
- Manual and automatic soldering using wire.
- Repair and touch-up of solder joints using solder wire.
Formats and Compatibility
- Available in: solder bar and solid wire.
- Available wire diameters stated by the manufacturer: 0.3 mm ~ 1.6 mm, 2.0 mm, 3.0 mm.
- ASAHI mentions flux products for cored wire, including CLF5023, and flux classification ROL0 in connection with their cored wire products.
Sources
See manufacturer's page for SCS7
Specifications
- Product name: SCS7.
- Manufacturer: ASAHI.
- Manufacturer's part number: WLSCS7Q03I.
- Alloy: SnCu0.7 (tin–copper).
- Melting point: 227 °C.
- Available forms: solder bar and solid wire.
- Wire diameters (stated): 0.3 mm ~ 1.6 mm, 2.0 mm, 3.0 mm.
- Packaging examples (stated on manufacturer's page): 25 kg box, 20 kg box.
- Flux references (in cored wire information): CLF5023; flux classification ROL0.
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