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Which materials are used in automotive & transport?
Quick answer
SS 409 Stainless Steel for mufflers and exhaust cold ends; SS 441 Stainless Steel for exhaust manifolds and hot ends; SS 301 Stainless Steel for structural parts and springs; SS 304 Stainless Steel for trim and tanks; Aluminium for body and structural parts.
What are the material challenges in automotive & transport?
Exhaust-gas corrosion and thermal fatigue
Weight reduction for efficiency
Formability for stamping
Cost control at high volumes
Materials we supply for this industry
| Material | Typical use | Grade family |
|---|---|---|
| SS 409 Stainless Steel | Mufflers and exhaust cold ends | Stainless Steel |
| SS 441 Stainless Steel | Exhaust manifolds and hot ends | Stainless Steel |
| SS 301 Stainless Steel | Structural parts and springs | Stainless Steel |
| SS 304 Stainless Steel | Trim and tanks | Stainless Steel |
| Aluminium | Body and structural parts | Non-Ferrous Metals |
| Titanium Grade 5 | Performance components | Non-Ferrous Metals |
Popular products for automotive & transport
Which standards apply?
Related applications
Automotive & Transport markets we supply
Procurement considerations
- Specify grade, specification and edition
- Define tests and certificates (EN 10204 3.1 / 3.2)
- Include third-party inspection and PMI where required
- Confirm marking, packing and destination documentation
We support automotive & transport buyers with documentation and inspection and value-added services.
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Frequently asked questions
Why is SS 409 used for exhausts?
It's the most economical stainless steel, and it resists exhaust-gas corrosion and oxidation far better than carbon or aluminised steel.
Which product forms do you supply for automotive & transport?
Coils, Sheets, Tubes, Bars, in the grades listed above, from stock or mill-sourced with EN 10204 certificates.
Which standards apply to automotive & transport materials?
Do you supply automotive & transport projects outside India?
Yes, including Germany.