Hot: Gdp E309

The classic application—joining 304 stainless steel to structural A36 carbon steel. Technical Specifications at a Glance Specification Classification AWS A5.4 E309-16 Tensile Strength ~560 - 650 MPa Elongation Current Type Recommended Amperage Depends on diameter (e.g., 80-120A for 3.2mm) Best Practices for Using GDP E309

When welding stainless steel to carbon steel, the carbon steel tries to "contaminate" the stainless weld pool with iron. This dilution can create brittle martensitic structures that crack instantly. gdp e309 hot