Stainless Steel MIG Wire
BLUME® ER410
BLUME® ER410
Specification: ASME SFA/AWS A5.9 ER410
High-Strength Martensitic Stainless for Precision Welding
For applications requiring high strength, wear resistance, and moderate corrosion protection, BLUME® ER410 MIG Wire delivers unmatched performance. Engineered for martensitic stainless steels, it provides excellent tensile strength, hardness, and consistent weld quality in structural, industrial, and tooling applications.
With a stable arc, low spatter, and clean bead appearance, BLUME® ER410 ensures professional-quality welds while maintaining precision and efficiency for demanding fabrication projects.
BLUME® ER410 vs Standard ER410

Key Features
Key Features
✅ Martensitic stainless formulation – High strength and hardness
✅ Excellent mechanical performance – Superior tensile and yield properties
✅ Moderate corrosion resistance – Ideal for atmospheric and mildly corrosive environments
✅ Smooth, stable arc with low spatter – Cleaner welds, faster production
✅ Bright, uniform weld bead – Professional finish for visible components
✅ Precision wire feed – Consistent performance in manual and automated welding
✅ BLUME® ISO-certified quality – Reliable chemistry and weld integrity
Recommended Application
Recommended Application
✔ Cutting and forming tools
✔ Industrial machinery components
✔ Structural stainless steel applications
✔ Pumps, valves, and shafts
✔ Marine and offshore components with moderate corrosion exposure
✔ General fabrication requiring high-strength martensitic welds
Product Data Sheet
Product Data Sheet
FAQ
FAQ
Q: What makes BLUME® ER410 different from other stainless MIG wires?
A: BLUME® ER410 is engineered for martensitic stainless steels, providing superior strength, hardness, and precision welds in demanding structural and tooling applications.
Q: Can BLUME® ER410 be used in marine environments?
A: Yes, it offers moderate corrosion resistance, making it suitable for atmospheric or mildly corrosive environments, but it is not recommended for highly corrosive or chloride-rich applications.
Q: What shielding gas is recommended for ER410 MIG welding?
A: 100% Argon or Argon + 2–5% CO₂ is recommended for optimal arc stability and bead appearance.
Q: Does ER410 require post-weld heat treatment?
A: Yes – tempering or stress-relief is recommended to optimize hardness, strength, and ductility in critical applications.
Q: Why choose BLUME® ER410 over other brands?
A: BLUME® wires provide precision-engineered chemistry, consistent arc performance, and high-quality welds, reducing rework and ensuring long-term structural integrity.
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