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Stainless Steel 329, also known by its UNS S32900 designation, is a high-performance duplex stainless
steel that offers an excellent combination of austenitic and ferritic phases. This unique composition
provides exceptional strength, toughness, and resistance to corrosion, making it ideal for demanding
industrial applications. The alloy's high chromium and molybdenum content significantly enhances its
ability to withstand pitting, crevice corrosion, and stress corrosion cracking, especially in aggressive
environments.
Ferrobend's Stainless Steel 329 is meticulously manufactured to adhere to the highest quality standards,
ensuring reliable performance across various industries. This material is particularly well-suited for
marine environments, chemical processing plants, and the oil and gas sector due to its outstanding
resistance to chloride-induced stress corrosion and excellent mechanical properties. The balance of
austenitic and ferritic phases allows for superior durability, even in the most challenging conditions.
Stainless Steel 329 also exhibits excellent weldability and formability, making it easy to fabricate
into complex shapes and components. This versatility caters to a wide range of engineering applications,
including pressure vessels, heat exchangers, and structural components. The alloy's ability to maintain
structural integrity and resist deformation at elevated temperatures further enhances its suitability
for high-temperature environments, ensuring long-lasting performance and reliability.
Choosing Ferrobend's Stainless Steel 329 guarantees a durable and robust solution for your industrial
needs. Our commitment to quality and customer satisfaction ensures that you receive materials that
perform exceptionally well, reducing maintenance costs and downtime. With Ferrobend, you can trust that
our stainless steel products will deliver long-lasting performance and reliability in even the most
demanding environments.
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 |