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Ferrobend is a renowned supplier of Stainless Steel 309S, delivering high-quality solutions for
industries
demanding exceptional performance and durability. Stainless Steel 309S, an austenitic alloy, is
well-regarded for its high chromium and nickel content, which ensures excellent resistance to oxidation
and high-temperature corrosion, making it perfect for challenging environments such as petrochemical,
power generation, and thermal processing.
Our Stainless Steel 309S products are manufactured with precision and adhere to stringent quality
standards, meeting the most demanding industrial requirements. These products are versatile and can be
easily fabricated into various components, including heat exchangers, furnace parts, and combustion
chambers. Their superb weldability and resistance to cyclic heating and cooling ensure reliable
performance in extreme conditions.
Ferrobend's Stainless Steel 309S is available in a wide range of sizes and thicknesses, allowing you to
select the ideal product for your specific project needs. Each item undergoes rigorous quality control
to
guarantee uniformity, strength, and a flawless surface finish, providing you with a high-performance
material that withstands the test of time.
As your trusted partner, Ferrobend is committed to delivering cost-effective solutions with prompt and
reliable service. We offer competitive pricing, quick delivery, and exceptional customer support to
ensure
your projects proceed smoothly from start to finish.
Choose Stainless Steel 309S from Ferrobend for unmatched reliability and performance in high-temperature
applications. With our dedication to quality, reliability, and customer satisfaction, you can trust that
your projects are built to last.
Elements | Cr | Ni | C | Si | Mn | P | S | Mo | Fe |
---|---|---|---|---|---|---|---|---|---|
% | min: 17.0 ,max:19.0 | min: 8.0 ,max: 10.0 | 0.15 max | 1.00 max | 2.0 max | 0.20 max | 0.15 min | 0.75 | balance |
Tensile Strength ksi (min.) | Yield Strength 0.2% Offset ksi (min.) | Elongation - % in 50 mm (min.) | Hardness (Brinell) MAX | Hardness (Rockwell B) MAX |
---|---|---|---|---|
75 | 30 | 35 | 228 | - |
Denstiy lbm/in3 | Coefficient of Thermal Expansion (min/in)-°F | Electrical Resistivity mW-in | Thermal Conductivity BTU/hr-ft-°F | Melting Range | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
at 68 °F | at 68 – 212°F | at 68 – 932°F | at 68 – 1450°F | at 68°F | at 212°F | at 392°F | at 752°F | at 1112°F | at 1472°F | at 68 – 212°F | - |
0.29 | 9.2 | 10.4 | 10.9 | 28.3 | 30.7 | 33.8 | 39.4 | 43.7 | 47.6 | 113.2 | 2552°F |
SAE / AISI | 303 |
UNS | S30300 |
EN Material Number | 1.4305 |
EN Material Name | X8CrNiS18-9 |
DIN Material Name | X8CrNiS18-9 |
JIS | SUS 303 |
BS | 202S 21 En58M |