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Stainless Steel 309 Material Property Data Sheet

Do you need custom fasteners created with Stainless Steel 309? Since our inception, Vegas Fastener Manufacturing 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.

 

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. %
C0.2 
Cr22 - 24 
Fe57.975 - 62.975 
Mn2 
Ni12 - 15 
P0.045 
S0.03 
Si0.75 

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 PropertiesMetricEnglishComments
Density8.03 g/cc0.29 lb/in at 20C

Mechanical Properties
Tensile Strength, Ultimate621 MPa90100 psi ASTM E8
Tensile Strength, Ultimate at Elevated Temperature145 MPa21000 psi 871C; ASTM E8
Tensile Strength, Ultimate at Elevated Temperature248 MPa36000 psi 760C; ASTM E8
Tensile Strength, Ultimate at Elevated Temperature379 MPa55000 psi 649C; ASTM E8
Tensile Strength, Ultimate at Elevated Temperature455 MPa66000 psi 538C; ASTM E8
Tensile Strength, Ultimate at Elevated Temperature497 MPa72100 psi 427C; ASTM E8
Tensile Strength, Ultimate at Elevated Temperature552 MPa80100 psi 204C; ASTM E8
Tensile Strength, Ultimate at Elevated Temperature69 MPa10000 psi 982C; ASTM E8
Tensile Strength, Yield290 MPa42100 psi 0.2% offset ; ASTM E8
Tensile Strength, Yield at Elevated Temperature128 MPa18600 psi 871C; ASTM E8
Tensile Strength, Yield at Elevated Temperature138 MPa20000 psi 760C; ASTM E8
Tensile Strength, Yield at Elevated Temperature152 MPa22000 psi 649C; ASTM E8
Tensile Strength, Yield at Elevated Temperature166 MPa24100 psi 538C; ASTM E8
Tensile Strength, Yield at Elevated Temperature207 MPa30000 psi 427C; ASTM E8
Tensile Strength, Yield at Elevated Temperature241 MPa35000 psi 204C; ASTM E8
Elongation at Break49 %49 % ASTM E8
Elongation at Break at Elevated Temperature35 %35 % 649C; ASTM E8
Elongation at Break at Elevated Temperature36 %36 % 538C; ASTM E8
Elongation at Break at Elevated Temperature40 %40 % 427C; ASTM E8
Elongation at Break at Elevated Temperature40 %40 % 760C; ASTM E8
Elongation at Break at Elevated Temperature46 %46 % 204C; ASTM E8
Elongation at Break at Elevated Temperature50 %50 % 871C; ASTM E8
Elongation at Break at Elevated Temperature65 %65 % 982C; ASTM E8
Creep Strength24 MPa3480 psi 1450F; 1% in 10,000 hr
Creep Strength83 MPa12000 psi 1100F, 1% in 10,000 hr
Rupture Strength17 MPa2470 psi 1650F; 10,000 hr
Rupture Strength83 MPa12000 psi 1250F, 10,000 hr
Modulus of Elasticity200 GPa29000 ksi 
Shear Modulus77 GPa11200 ksi 

Electrical Properties
Electrical Resistivity7.8e-005 ohm-cm7.8e-005 ohm-cm at 20C
Electrical Resistivity at Elevated Temperature0.0001148 ohm-cm0.0001148 ohm-cm at 1200C
Magnetic Permeability1.021.02 at 200H

Thermal Properties
CTE, linear 20C15.6 m/m-C8.67 in/in-F 20C-100C
CTE, linear 500C17.6 m/m-C9.78 in/in-F 20C-500C
CTE, linear 1000C19.4 m/m-C10.8 in/in-F 20C-1000C
Heat Capacity0.502 J/g-C0.12 BTU/lb-F 0C-100C
Thermal Conductivity15.6 W/m-K108 BTU-in/hr-ft-F 20C-100C
Thermal Conductivity at Elevated Temperature18.7 W/m-K130 BTU-in/hr-ft-F 20C-500C

 


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