441 Stainless Steel Plate Manufacturer & Supplier
441 is a dual-stabilised (titanium plus niobium) 18% chromium ferritic with good high temperature strength and oxidation resistance, developed for hot exhaust and flue gas components.
UNS: S44100 | Category: Ferritic Stainless Steel
Size Range
Outer Diameter: Thickness 1.5 - 6 mm · Width 1000-3000 mm · Length 2000-12000 mm
Wall Thickness: 1.5 - 6 mm
Chemical Composition (%)
| C | Si | Mn | P | S | Cr | Ti | Nb |
|---|---|---|---|---|---|---|---|
| 0.030 max | 1.00 max | 1.00 max | 0.040 max | 0.015 max | 17.50-18.50 | 0.10-0.60 | 0.30-0.90 |
Mechanical Properties
- Yield Strength Rp0.2
- 205 MPa min
- Tensile Strength Rm
- 415 MPa min
- Elongation A5
- 18% min
- Max Service Temperature
- 950 °C intermittent
Applicable Standards
- ASTM A240 / ASME SA240
- ASTM A480
- EN 10088-2
- JIS G4304 / G4305
- EN 10204 3.1 certification
Applications
- Exhaust manifolds & hot-end components
- Flue gas ducting
- Heat exchanger plates
- Burner components
Industries Served
- Automotive
- Power & Energy
- Chemical & Petrochemical
Equivalent Grades
- EN
- 1.4509 / X2CrTiNb18
- UNS
- S44100