Caliper Overseas is a well-established Indian manufacturer and supplier of 307Si (18 8 Mn) stainless steel MIG wire for demanding welding applications. The wire is specifically designed to weld dissimilar metals, high-manganese steels and cracking-prone materials. The austenitic structure of the wire provides good work-hardening characteristics and great resistance to cracking. The "307Si" type has increased manganese and silicon content, which provides greater hot cracking resistance and a clean, smooth weld bead. The "18 8 Mn" refers to the content of nearly 18% chromium, 8% nickel, and the addition of manganese for strength and toughness.
Produced to AWS A5.9 - ER307Si and EN ISO 14343-A - G 18 8 Mn specifications, this wire is also referred to as DIN 1.4370. It has excellent corrosion resistance, tensile strength (~600 MPa) and elongation (~40%). It is best suited for welding armor plates and buffer layers. It comes in different packaging options. This wire is reliable, versatile, and ready for industrial application. Contact us now for the best quality and timely delivery.
Table Of Content
About 307Si Stainless Steel MIG Wires
307Si Stainless Steel MIG Wire Specification
Stock Availability of 307Si SS MIG Wires
Equivalent Grades Of 307Si Stainless Steel MIG Wire
Chemical Composition of SS 307Si MIG Wires
Mechanical Properties of SS 307Si MIG Wire
Stainless Steel 307Si MIG Wires Ready Stock
307Si Stainless Steel MIG Wires Applications and Uses
Supply & Export Destinations of 307Si Stainless Steel MIG Wire

| Classification | AWS A5.9, 307Si |
|---|---|
| Form | MIG spools, TIG cut lengths, Reels and Coils |
| Type Of Welding | Inert Gas Welding |
| current | MIG-DCEP / TIG-DCEN |
| Diameters | .023”, .030”, .035”, .045”, 1/16”, 3/32”, 1/8” |
| Standard TIG straight lengths are available | 36” (914 mm) or 39” (1000 mm) lengths. Other lengths available upon request. |
| AWS ER430 MIG & TIG Filler Metal Application & uses |
Hardware tools Metallurgy Machinery Construction Shipbuilding Petroleum Chemical plant Power sector Gas Industry |
| STANDARD | AWS | DIN | Class |
| SS 307Si | A 5.9: ~ER 307 | 1.4370 | 307Si |
| C | Cr | Ni | Mn | Si | CU |
| 0.09 | 18 | 8 | 6 | 0.9 | 0.75 |
| Yield Strength | Tensile Strength | Elongation |
| 360 | 600 | 40% |
307Si Stainless Steel MIG Wires in Shaft Making
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307Si Stainless Steel MIG Wire in Electric Motors & Pumps
307Si Stainless Steel MIG Wire in Railways
307Si Stainless Steel MIG Wire in Mining
307Si Stainless Steel MIG Wire in Miscellaneous Fabrication
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