Do you need custom fasteners created with Stainless Steel 309? Since our inception, Vegas Fastener Group has met every challenge of providing Quality, Timely, Cost-effective solutions for specialty fastener applications. Every product is built to your specifications, using your prints if necessary.
Below are the technical specifications of the Stainless Steel 309 Bar Stock we have available to meet your needs.
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Allegheny Ludlum Austenitic Stainless Steel 309
Subcategory: Metal; Stainless Steel; T 300 Series Stainless Steel; T S30000 Series Stainless Steel
Key Words: UNS S30900
Composition Notes: Iron content calculated as remainder
| Component |
Wt. % |
| C |
0.2 |
| Cr |
22 – 24 |
| Fe |
57.975 – 62.975 |
| Mn |
2 |
| Ni |
12 – 15 |
| P |
0.045 |
| S |
0.03 |
| Si |
0.75 |
Material Notes:
Characteristics: comparable corrosion resistance, superior resistance to oxidation, and the retention of a larger fraction of room temperature strength than common austenitic alloys. Good creep deformation resistance.
Applications:Heat treatment industry-conveyor belts, rollers, burner parts, refractory supports, retorts linings, oven linings, fans, tube hangers, baskets, and trays. Chemical process industry- containers for hot concentrated acids, ammonia, and sulfur dioxide. Food processing industry- used in contact with hot acetic and citric acid.
Information provided by Allegheny Ludlum
| Physical Properties |
Metric |
English |
Comments |
| Density |
8.03 g/cc |
0.29 lb/in³ |
at 20°C |
| Mechanical Properties |
| Tensile Strength, Ultimate |
621 MPa |
90100 psi |
ASTM E8 |
| Tensile Strength, Ultimate at Elevated Temperature |
145 MPa |
21000 psi |
871°C; ASTM E8 |
| Tensile Strength, Ultimate at Elevated Temperature |
248 MPa |
36000 psi |
760°C; ASTM E8 |
| Tensile Strength, Ultimate at Elevated Temperature |
379 MPa |
55000 psi |
649°C; ASTM E8 |
| Tensile Strength, Ultimate at Elevated Temperature |
455 MPa |
66000 psi |
538°C; ASTM E8 |
| Tensile Strength, Ultimate at Elevated Temperature |
497 MPa |
72100 psi |
427°C; ASTM E8 |
| Tensile Strength, Ultimate at Elevated Temperature |
552 MPa |
80100 psi |
204°C; ASTM E8 |
| Tensile Strength, Ultimate at Elevated Temperature |
69 MPa |
10000 psi |
982°C; ASTM E8 |
| Tensile Strength, Yield |
290 MPa |
42100 psi |
0.2% offset ; ASTM E8 |
| Tensile Strength, Yield at Elevated Temperature |
128 MPa |
18600 psi |
871°C; ASTM E8 |
| Tensile Strength, Yield at Elevated Temperature |
138 MPa |
20000 psi |
760°C; ASTM E8 |
| Tensile Strength, Yield at Elevated Temperature |
152 MPa |
22000 psi |
649°C; ASTM E8 |
| Tensile Strength, Yield at Elevated Temperature |
166 MPa |
24100 psi |
538°C; ASTM E8 |
| Tensile Strength, Yield at Elevated Temperature |
207 MPa |
30000 psi |
427°C; ASTM E8 |
| Tensile Strength, Yield at Elevated Temperature |
241 MPa |
35000 psi |
204°C; ASTM E8 |
| Elongation at Break |
49 % |
49 % |
ASTM E8 |
| Elongation at Break at Elevated Temperature |
35 % |
35 % |
649°C; ASTM E8 |
| Elongation at Break at Elevated Temperature |
36 % |
36 % |
538°C; ASTM E8 |
| Elongation at Break at Elevated Temperature |
40 % |
40 % |
427°C; ASTM E8 |
| Elongation at Break at Elevated Temperature |
40 % |
40 % |
760°C; ASTM E8 |
| Elongation at Break at Elevated Temperature |
46 % |
46 % |
204°C; ASTM E8 |
| Elongation at Break at Elevated Temperature |
50 % |
50 % |
871°C; ASTM E8 |
| Elongation at Break at Elevated Temperature |
65 % |
65 % |
982°C; ASTM E8 |
| Creep Strength |
24 MPa |
3480 psi |
1450°F; 1% in 10,000 hr |
| Creep Strength |
83 MPa |
12000 psi |
1100°F, 1% in 10,000 hr |
| Rupture Strength |
17 MPa |
2470 psi |
1650°F; 10,000 hr |
| Rupture Strength |
83 MPa |
12000 psi |
1250°F, 10,000 hr |
| Modulus of Elasticity |
200 GPa |
29000 ksi |
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| Shear Modulus |
77 GPa |
11200 ksi |
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| Electrical Properties |
| Electrical Resistivity |
7.8e-005 ohm-cm |
7.8e-005 ohm-cm |
at 20°C |
| Electrical Resistivity at Elevated Temperature |
0.0001148 ohm-cm |
0.0001148 ohm-cm |
at 1200°C |
| Magnetic Permeability |
1.02 |
1.02 |
at 200H |
| Thermal Properties |
| CTE, linear 20°C |
15.6 µm/m-°C |
8.67 µin/in-°F |
20°C-100°C |
| CTE, linear 500°C |
17.6 µm/m-°C |
9.78 µin/in-°F |
20°C-500°C |
| CTE, linear 1000°C |
19.4 µm/m-°C |
10.8 µin/in-°F |
20°C-1000°C |
| Heat Capacity |
0.502 J/g-°C |
0.12 BTU/lb-°F |
0°C-100°C |
| Thermal Conductivity |
15.6 W/m-K |
108 BTU-in/hr-ft²-°F |
20°C-100°C |
| Thermal Conductivity at Elevated Temperature |
18.7 W/m-K |
130 BTU-in/hr-ft²-°F |
20°C-500°C |
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