Common solder melting points

• Tin-lead (63/37): Melts at a single temperature of 183C (361F).
• Tin-lead (60/40): Melts over a range 183C-190C (361F-374F).
• Lead-free (SAC305): Melts over a range 217C/220C (423F-428F).
• Lead-free (Sn99.3/Cu0.7): Melts at a single temperature of 227C (441F).