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Silver-grey solder wire on plastic spool, 1.5mm diameter, 100g weight

AUSTOR 63-37 Tin Lead Rosin Core Solder Wire 1.5mm 100g

SKU CH-8Y74-7RBMB

63/37 tin-lead rosin-core solder wire, 1.5 mm diameter on a 100 g spool, melts at 183 °C for clean electrical joints

  • Compatibility/FitmentAU-21-692
  • Standards/CertificationsLead Free Compliant
  • 63/37 tin-lead alloy melts at 183°C for smooth joints
  • 0% rosin flux flows evenly and leaves bright connections
  • 5 mm diameter suits fine circuit-board work
  • 100 g spool provides ample length for multiple repairs
  • Lead-free compliant certification meets regulatory standards

Composition and Use

This 63/37 tin-lead rosin core solder wire suits electronics hobbyists and repair technicians who need reliable joints on circuit boards and components. The 1.5 mm diameter and 100 g spool provide enough material for multiple small jobs without excessive waste. It is not intended for high-volume production lines or lead-free regulatory environments.

Thermal Behaviour

The alloy melts at 183 °C (361 °F) and the 2.0 % flux content promotes even heat flow during hand soldering. Because the wire is thin, it heats quickly and solidifies fast, keeping thermal stress on sensitive parts low. No forced-air or liquid cooling is involved, so operational noise is limited to the soldering iron itself.

Handling and Storage

The spool format allows controlled feed and easy storage on a bench. Oxidation may appear after six months but does not degrade joint quality. Users should note the Proposition 65 warning regarding lead exposure and use appropriate ventilation and hygiene practices during everyday soldering tasks.

Highlights

  • 63/37 tin-lead alloy melts at 183°C for smooth joints
  • 0% rosin flux flows evenly and leaves bright connections
  • 5 mm diameter suits fine circuit-board work
  • 100 g spool provides ample length for multiple repairs
  • Lead-free compliant certification meets regulatory standards

Specifications

Compatibility/FitmentAU-21-692
Standards/CertificationsLead Free Compliant

Questions about this item

How do I feed the 1.5 mm solder wire into my iron, and what step do people skip?

Tin the tip first, then feed the 1.5 mm wire to the joint — not the iron — so the 2.0 % rosin flux activates at 183 °C and flows into the connection.

What will the 100 g spool need after six months if the surface oxidises?

The supplier notes the wire may oxidise after six months without affecting performance; wipe the surface clean and add a little extra flux if wetting slows.

At what temperature does the 63/37 alloy hit its limit during a long soldering session?

The alloy melts at 183 °C (361 °F) and has no plastic range, so the joint is solid as soon as it cools below that point.

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