PropertiesMetricImperialTensile strength, ultimate620 MPa89900 psiTensile strength, yield (0.2%)310 MPa45000 psiIzod impact120 - 165 J88.5 - 122 ft-lbModulus of elasticity200 GPa29000 ksiShear modulus77 GPa11200 ksiPoissons ratio0.30.3Elongation at break (in 50 mm)45%45%Hardness, Brinell (converted from Rockwell B hardness)147147Hardness, Knoop (converted from Rockwell B hardness)164164Hardness, Rockwell B8585Hardness, Vickers (converted from Rockwell B hardness)169169
The 309 stainless steel has a higher corrosion resistance and strength compared to 304 stainless steel. This product is versatile and known for its high heat treatment capabilities.
Chemical Formula
Iron 60%, Chromium 23%, Nickel 14%, Manganese 2%, Silicon 1%, Carbon .20%, Phosphorus .045%, Sulfur .03%
Common Trade names
309 Stainless, 309 Stainless Steel
Features
Corrosion Resistance: 309 stainless stands-up excellently in a range of atmospheric environments even when exposed to corrosive elements.
Heat Resistance: Can be hot worked at 1177⁰C and then can be quenched rapidly.
Easy to weld by using fusion or resistance welding methods (preferably not oxyacetylene though).
Can be headed, upset, drawn, and stamped even though it has high work hardening rate.
Applications
The 309 can be applied to a range of applications including a variety of accessories and equipment such as boiler baffles, furnace components, oven linings, fire box sheets, and other high temperature containers.
Available Stock Sizes
See specific product page for unique sizes. Here at Atlantic Stainless no inquiry is too large or too small. Feel free to contact us today for a quote on any of your custom size orders.
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