439M Stainless Steel Sheet INOX 439 Metal Sheet 439 Stainless Steel Magnetic
| Specifications | ASTM A240, ASME SA240 |
| Dimensions | ASTM, ASME and API |
| Standard | JIS, AISI, ASTM, GB, DIN, EN, etc. |
| Surface | 2B, 2D, BA, NO.4, NO.8, 8K, Mirror,Checkered, Embossed, Hair Line, Sand Blast, Brush, Etching |
| Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm,etc. |
| Finish | Black,Bright Polished,Rough Turned,No.4 Finish,Matt Finish,BA Finish |
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc. |
Grade Specifications for Stainless Steel 439 Sheets
| Grade | WERKSTOFF NR. | UNS |
| SS 439 | 1.4510 | S43035 |
Chemical Properties of SS 439 Sheets
| Grade | Fe | Cr | Si | Ti | Mn | Ni | Mo | Nb/Cb | P | N | C | S |
| SS 439 | 81.3535 | 17.35 | 0.35 | 0.335 | 0.25 | 0.200 | 0.1 | 0.02 | 0.02 | 0.0100 | 0.01 | 0.0015 |
Mechanical Properties of SS 439 Sheets
| Tensile strength (annealed) | 438 MPa | 63500 psi |
| Yield strength (annealed/ @strain 0.200 %) | 263 MPa | 38100 psi |
| Modulus of elasticity | GPa | ksi |
| Poisson’s ratio | 0.270 – 0.290 | 0.270 – 0.290 |
| Elongation at break (In 2″, 50% cold worked) | 2.80% | 2.80% |
| Hardness, Rockwell B (annealed) | 72.9 | 72.9 |
439 STAINLESS STEEL ALLOY
UNS: S43900
EN-DIN: 1.4510
439 Oxidation resistance and corrosion resistance is superior to Type 409 in areas where temperatures may exceed the oxidation limit of Type 409 or where aqueous corrosion resistance, particularly to chlorides, is needed. Applications include: Tubular manifolds and other exhaust system with difficult to form exhaust components.
Nominal Composition
| C: | 0.070 max |
| Mn: | 1.0 max |
| P: | 0.040 max |
| S: | 0.030 max |
| Si: | 1.00 max |
| Cr: | 17.00 – 19.00 |
| Ni: | 0.50 max |
| Ti: | >=0.20+4(C+N) – 1.10 |
| Al: | 0.15 |
| N: | 0.040 |
| Fe: | BAL |
Physical Properties
At 70°F (At 20°C)
Density
0.278 lb./in³ / (7685 kg/m³)
Modulus of Elasticity (E)
28.4 x 10³ ksi / (193 x 10³MPa)
Electrical Resistivity
24.0 μ ohm.in / (60.0 μ ohm.cm)
Applicable Specifications
ASTM A240
Typical Mechanical Properties – Typical Room Temperature Mechanical Properties
Typical mechanical properties are based on AK source, ASTM A240
Condition
Annealed
Tensile Strength (UTS)
66 ksi (455 MPa)
0.2% YS
43 ksi (296 MPa)
Elongation% in 2” (50.8 mm)
32%
Hardness Rockwell
74 HRBW
**The information and data in this product data sheet are accurate to the best of our knowledge and belief, but are intended for general information only. Applications suggested for the materials are described only to help readers make their own evaluations and decisions, and are neither guarantees nor to be construed as express or implied warranties of suitability for these or other applications. Data was obtained from our melt sources with data referring to mechanical properties and chemical analyses are the result of tests performed on specimens obtained from specific locations with prescribed sampling procedures; any warranty thereof is limited to the values obtained at such locations and by such procedures. There is no warranty with respect to values of the materials at other locations. Further information should be sought from the melt sources.
