This document specifies designations for filler materials for brazing on the basis of their chemical composition. The designation includes their solidus/liquidus temperatures. This document applies to the metallic part of filler materials used in brazing products, for example foils, wires, rods, pastes, flux-coated rods or wires and flux-cored rods or wires.

• Year of Declaration: 2025
• Reference: ISO 3677: 2024
• Number of Pages: 11
• Code: GYS 156
• Version: First Revision
• ICS Number: 25.160.50