441 rolled coil stainless steel is used mainly for high-temperature settings and corrosive environments, particularly automotive-exhaust system components.
ASTM A240 for annealed condition
ASTM A666 for tempered material*
Automotive
Exhaust manifold and other exhaust-system components, Catalytic converter shells, Clamps
| Composition per ASTM A240 | |
| Carbon | .030 Max |
| Manganese | 1.00 Max |
| Phosphorus | .04 Max |
| Sulfur | .03 Max |
| Silicon | 1.00 Max |
| Chromium | 17.50 – 19.50 |
| Nickel | 1.00 Max |
| Nitrogen | .030 Max |
| Titanium | 0.10 – 0.50 |
| Mechanical Properties (Annealed, Per ASTM A240) | |
| UTS | 65,000 KSI Min |
441 flat rolled stainless steel is magnetic in all conditions.
Type 441 has good ductility and can be formed into most shapes.


