Description
Specifications
Reviews
StarBlaze MIG 630L (classified under AWS A5.9 as ER630) is a specialized, premium solid stainless steel MIG welding wire designed for precipitation-hardening stainless steels. It deposits a chemistry matching the renowned 17-4 PH alloy, providing an ideal blend of high mechanical strength, hardness, and moderate corrosion resistance.
Core Product Features
Precipitation-Hardening (PH) Synergy: Formulated specifically to respond to post-weld age-hardening heat treatments, allowing the weldment to match the high tensile strength of the base metal.
Martensitic Matrix with Ferrite Control: Deposits a martensitic structure modified with a small, balanced amount of ferrite to suppress hot cracking during cooling.
Surface Purity Processing: The wire undergoes advanced ultrasonic cleaning to eliminate residual processing lubricants, ensuring an exceptionally stable, low-spatter arc and clean weld puddle behavior.
Precision Layer-Wound: Neatly wound onto spools to prevent bird-nesting, minimize liner friction, and guarantee reliable wire feeding in automated or high-speed manual applications.
AWS Specification: AWS A5.9 / A5.9M (Classification: ER630)
EN ISO Specification: EN ISO 14343-A (Classification: G 17 4 Cu)
UNS Number: S17480
Werkstoff Number (Europe): 1.4542

