MIG WIRE S/S 307L 1.2MM
MIG Wire Stainless Steel 307L – 1.2mm
Premium ER307L Stainless Steel MIG Welding Wire | 1.2mm Diameter
Product Overview
This 1.2mm ER307L stainless steel MIG welding wire is engineered for high-performance welding of dissimilar and hard-to-weld steel combinations. Known for its excellent crack resistance and superior ductility, 307L wire is a go-to choice for fabricators, manufacturers, and welding professionals who need dependable results on demanding joints.
Key Features & Benefits
- High Manganese Content – Provides excellent resistance to hot cracking, making it ideal for welding austenitic manganese steels and dissimilar metal combinations.
- Low Carbon (L-Grade) – The "L" designation means low carbon content, minimizing the risk of carbide precipitation and intergranular corrosion, especially in multi-pass welds.
- Superior Ductility – Produces welds with excellent elongation properties, allowing the weld metal to absorb stress and strain without cracking.
- Excellent for Dissimilar Metal Welding – Commonly used to join stainless steel to carbon steel, and for buffer/build-up layers before hardfacing.
- Smooth Arc Performance – Delivers stable arc characteristics, low spatter, and consistent bead appearance for cleaner welds and less post-weld cleanup.
- 1.2mm Diameter – A versatile size suited for medium-to-thick section welding across industrial and structural applications.
Common Applications
- Welding manganese steel to carbon steel or stainless steel
- Railway and mining equipment repair (frogs, switches, crossings)
- Buffer layers prior to hardfacing on high-wear components
- Joining dissimilar stainless steel grades
- General fabrication requiring crack-resistant, high-strength welds
Technical Specifications
| Property | Detail |
|---|---|
| AWS Classification | ER307L |
| Diameter | 1.2mm |
| Wire Type | Solid MIG welding wire |
| Carbon Content | Low (=0.03%) |
| Manganese Content | High (approx. 6.5–8.5%) |
| Shielding Gas | Ar + CO2 mix or Ar + O2 (typically 98/2) |
| Welding Process | GMAW (MIG) |
Why Choose This 307L MIG Wire?
Whether you're tackling dissimilar metal joints, manganese steel repair, or high-crack-risk applications, this 1.2mm ER307L MIG wire offers the reliability, strength, and clean weld finish professionals demand. Its consistent chemistry and smooth feedability reduce downtime and rework, making it a smart choice for both production welding and on-site repair work.
This product is priced “per KG”. The minimum quantity available to purchase is shown in the "Pack Qty".