Latham Steel, located in Hamilton, New Zealand, has built a solid reputation as a reliable manufacturer and supplier of Stainless Steel 317L Rectangular Bars. These bars are crafted from top-notch materials designed to offer outstanding corrosion resistance, strength, and durability. Stainless Steel 317L is a low-carbon, molybdenum-enriched austenitic grade, making it perfect for environments that are tough on materials, as it provides excellent protection against pitting, crevice corrosion, and general wear and tear. Latham Steel guarantees that every rectangular bar adheres to strict international standards, ensuring they deliver precise, dependable, and long-lasting performance across various industries, including chemical processing, petrochemical, marine, and pharmaceuticals.
The composition of Stainless Steel 317L Rectangular Bars includes about 18–20% chromium, 11–13% nickel, 3–4% molybdenum, and a maximum of 0.03% carbon. This blend significantly boosts corrosion resistance, especially in environments rich in chlorides and acids, while also maintaining impressive mechanical properties, such as a tensile strength ranging from 515 to 750 MPa and a yield strength between 205 and 450 MPa. The rectangular shape of these bars makes them easy to fabricate, allows for precise machining, and ensures consistent structural integrity, making them ideal for demanding industrial applications where durability and performance are crucial.
Standard : 317L / 1.4438
Range : 3.17mm to 350mm dia
Designation : ASTM A276, ASME SA276
Finish : Bright, Black, Polish
Thickness: 4.0mm – 100mm
Type: Bar, Bright Bar, Black Bars, Hex Bar, Square Bar, Rods, Polish Bar, Forged Bar, Round Bar
Length : Random, Fix & Cut Length
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| 317L | 0.035 max | 2 max | 1 max | 0.040 max | 0.03 max | 18 – 20 | 3 – 4 | 11 – 15 | – |
| Density | 8.0 g/cm3 |
| Melting Point | 1454 °C (2650 °F) |
| Tensile Strength | Psi – 75000 , MPa – 515 |
| Yield Strength (0.2%Offset) | Psi – 30000 , MPa – 205 |
| Elongation | 35 % |
| Standard | SS 317L |
| UNS | S31703 |
| WERKSTOFF NR. / DIN | 1.4438 |
Choose Stainless Steel 317L Rectangular Bars based on the level of corrosion resistance needed for your application and the material’s strength requirements. Consider factors like temperature, pressure, and the potential for exposure to harsh chemicals or marine environments.
Stainless Steel 317L Rectangular Bars generally do not require additional corrosion protection coatings due to their inherent resistance to corrosion, especially in acidic and chloride environments. However, in highly aggressive conditions, coatings may be considered for extra protection.
When selecting Stainless Steel 317L Rectangular Bars, consider factors like corrosion resistance in aggressive environments and required mechanical properties such as strength and weldability. Also, evaluate the specific application conditions, including temperature and chemical exposure.
You’ll find Stainless Steel 317L Rectangular Bars commonly used in chemical and petrochemical plants, desalination systems, marine engineering, and pharmaceutical equipment. They’re perfect for creating flanges, supports, structural components, machinery parts, and other items that need to withstand harsh or corrosive conditions. With their impressive combination of high corrosion resistance, mechanical strength, and dimensional accuracy, these bars promise long-term reliability, low maintenance, and consistent performance. It’s no wonder that engineers and manufacturers turn to 317L rectangular bars for durable, high-performance stainless steel solutions.






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