DIPTI METAL INDUSTRIES
Dipti Metal Industries (A KMR Group Company) is the primary ER409Nb Supplier and ER409Nb Stockist of premium Niobium-stabilized ferritic stainless steel welding consumables in Mumbai, India. ER409Nb is a specialized technical evolution of standard 409 filler metal. By substituting Titanium with Niobium (Columbium), this grade provides significantly enhanced high-temperature creep strength and improved thermal fatigue resistance. It is the definitive filler metal for welding modern automotive exhaust manifolds and catalytic converter shells that operate under extreme thermal cycles. As a premier ER409Nb Exporter, we supply certified TIG rods to automotive OEMs and component fabricators across 75+ countries.
As a leading ER409Nb Supplier in Mumbai, we address the rigorous requirements of Tier-1 automotive suppliers. The Niobium addition in ER409Nb filler metal is more metallurgically stable than Titanium during the welding process, resulting in a weld deposit with lower susceptibility to "burn-out" of the stabilizing element. This ensures that the welded joint retains its full resistance to intergranular corrosion and oxidation, even when exposed to exhaust gases exceeding 750°C. It is the gold standard for welding Type 409L and 409Nb base metals where long-term structural durability is paramount.
| Element | Typical Range |
|---|---|
| Carbon (C) | 0.08 Max |
| Chromium (Cr) | 10.5 - 13.5 |
| Niobium (Nb) | 10 x C to 0.75 |
| Manganese (Mn) | 0.80 Max |
| Silicon (Si) | 0.50 Max |
| Phosphorus (P) | 0.03 Max |
| Property | Typical Value |
|---|---|
| Tensile Strength | ≥ 450 MPa (65 ksi) |
| Yield Strength | ≥ 300 MPa (44 ksi) |
| Elongation (%) | ≥ 20% |
| Structure | Ferritic |
Certified to AWS A5.9 ER409Nb. Supplied with full 3.1 Mill Test Certification and Heat Traceability.
Maintaining material purity for international automotive OEM shipments:
As an established ER409Nb Exporter, Dipti Metal Industries maintains a seamless logistics network from Mumbai to global automotive manufacturing hubs.
Headquarters & Global Hub
Dipti Metal Industries (A KMR Group Company)
No.9, Shreepati Castle, D-1, 10–11th Khetwadi Back Road, Mumbai – 400004, India
Phone: +91-22-66381301
WhatsApp: +91-9975266499