JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
WUXI DETA METAL PRODUCTS CO.,LTD
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AISI441 Stainless Steel Sheet / UNS S44100 SS Sheets for Exhaust Gas Treatment
Products Specification
| Products Name | 441 Stainless Steel Sheet |
| Standard | ASTM EN JIS GB BIS |
| Thickness | 0.4mm 0.5mm 0.6mm 0.8mm 1.0mm 1.2mm 1.5mm 2.0mm 2.5mm 3.0mm |
| Surface | 2B 2D or process other surface as request |
| Standard Size | 1219*2438mm 1000*2000mm |
| Service | Slit Cutting, bending , surface treatment |
| Other Grade | 200 Series: 201 202 |
| 300 Series: 301 304 304L 309S 310S 316L 316Ti 317l 321 329 347 | |
| 400 Series: 409L 410S 416 420 431 436L 439 441 443 444 446 | |
| Special Grade: 254SMO 904L 2205 2507 253MA Nickel Alloy | |
| MOQ | 500 kgs |
| Packing | Wooden Pallets and waterproof paper |
Description
Type 441 is an 18% chromium, dual stabilized ferritic stainless steel with corrosion resistance similar to that of 304/304L stainless steel. This grade may be used in the annealed, cold formed or as-welded condition in applications where other stainless steels such as Type 304/304L and Type 430 are used. Type 441 has good weldability due to titanium and niobium stabilization and has excellent resistance to stress corrosion cracking. Type 441 outperforms Type 409 in both oxidation and corrosion resistance and typical applications include automotive manifolds and exhaust system components. The high temperature strength of Type 441 exceeds that of both Types 439 and 409 stainless steels.
Chemical Composition
Chemical Composition (wt%) limits as specified in ASTM A240*
| Element | 441 |
| Carbon | 0.030 |
| Chromium | 17.5-19.5 |
| Nickel | 1.00 |
| Manganese | 1.00 |
| Silicon | 1.00 |
| Nitrogen | 0.030 |
| Phosphorus | 0.040 |
| Sulfur | 0.030 |
| Titanium | 0.1-0.5 |
| Niobium | 0.3 + (9 x C) min 0.90 max |
Mechanical Properties
Mechanical property requirements for annealed product as specified in ASTM A240
| Property | 441 |
| Yield Strength, min. (ksi) | 35 |
| Tensile Strength, min. (ksi) | 60 |
| Elongation, min. (%) | 20 |
| Hardness, max. (Rb) | 90 |
Physical Properties
Physical properties for Type 441 stainless steel
| Property | 441 |
| Density, lb/in3 | 0.278 |
| Modulus of Elasticity, psi | 29.0 x 106 |
| Coefficient of Thermal Expansion, 68-212˚F, /˚F | 5.7 x 10-6 |
| Thermal Conductivity, Btu/ft hr ˚F | 12.1 |
| Specific Heat, Btu/lb ˚F | 0.11 |
| Electrical Resistivity, Microohm-in | 23.1 |
