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Stainless Steel 317L Angle is a low-carbon austenitic stainless steel product known for its superior resistance to corrosion, especially in acidic and chloride-rich environments. It contains higher amounts of molybdenum compared to standard grades like 304 or 316, which enhances its ability to withstand pitting, crevice corrosion, and general chemical attack. This makes 317L Angles a reliable choice for industries where durability and consistent performance are critical. The low carbon content improves weldability and prevents carbide precipitation during welding operations. Its robust mechanical strength, excellent longevity, and ability to maintain stability under high temperatures make it widely preferred across industrial applications.
The chemical composition of Stainless Steel 317L Angle includes chromium, nickel, and a significantly higher molybdenum content, which together enhance corrosion resistance in aggressive media. The presence of molybdenum increases pitting resistance, while nickel maintains structural stability and formability. The low carbon level minimizes intergranular corrosion, ensuring safer welding and fabrication. Mechanically, 317L exhibits high tensile strength, good yield capability, and exceptional toughness even at elevated temperatures. This balance of chemical and mechanical properties makes it highly suitable for environments exposed to heat, pressure, moisture, and harsh chemicals.
Specifications : ASTM A276, ASTM A479 / ASME SA276, ASME SA479
Angle Size Range : 20 x 20 mm to 100 x 100 mm
Angles Thickness : 3 to 12 mm (depending on size)
Channel Size Range : Base: 80 to 150 mm; Side: 40 to 75 mm
Channel Thickness : 5 to 6 mm (depending on size)
Length : 3MTR, 4MTR, 5MTR, 6MTR, or Custom Cut Sizes
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
| SS 317L | 0.035 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 18.00 – 20.00 | 3.00 – 4.00 | 11.00 – 15.00 | 57.89 min |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.9 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
| SS 317L | 1.4438 | S31703 | SUS 317L | X2CrNiMo18-15-4 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Stainless Steel 317L Angles are widely used in applications where high corrosion resistance and strength are essential. They are commonly utilized in chemical processing plants, petrochemical refineries, pulp and paper mills, food and pharmaceutical equipment, and marine structures exposed to saltwater. Their high resistance to chlorides and acidic solutions makes them ideal for handling corrosive liquids and gases. These angles are also used in structural supports, frames, bracing, fabrication works, storage tanks, heat exchangers, and evaporator equipment. Thanks to their reliability and durability, 317L Angles perform efficiently in both heavy-duty industrial environments and precision engineering setups, ensuring long service life with minimal maintenance.
| Size in Inches | Est. Weight per Ft. Lbs. | Est. Weight per 20′ Bar |
|---|---|---|
| 3/4 x 3/4 x 1/8 | 0.59 | 11.80 |
| 1 x 1 x 1/8 | 0.80 | 16.00 |
| 1 x 1 x 3/16 | 1.16 | 23.20 |
| 1 x 1 x 1/4 | 1.49 | 29.80 |
| 1-1/4 x 1-1/4 x 1/8 | 1.01 | 20.20 |
| 1-1/4 x 1-1/4 x 3/16 | 1.48 | 29.60 |
| 1-1/4 x 1-1/4 x 1/4 | 1.92 | 38.40 |
| 1-1/2 x 1-1/2 x 1/8 | 1.23 | 24.60 |
| 1-1/2 x 1-1/2 x 3/16 | 1.80 | 36.00 |
| 1-1/2 x 1-1/2 x 1/4 | 2.34 | 46.80 |
| 2 x 2 x 1/8 | 1.65 | 33.00 |
| 2 x 2 x 3/16 | 2.44 | 48.80 |
| 2 x 2 x 1/4 | 3.19 | 63.80 |
| 2 x 2 x 3/8 | 4.70 | 94.00 |
| 2-1/2 x 2-1/2 x 3/16 | 3.07 | 61.40 |
| 2-1/2 x 2-1/2 x 1/4 | 4.10 | 82.00 |
| 3 x 3 x 1/4 | 4.90 | 98.00 |
| 4 x 4 x 1/4 | 6.60 | 132.00 |
| 4 x 4 x 3/8 | 9.80 | 196.00 |
The stainless steel 317L angle is a low-carbon, corrosion-resistant material commonly used in harsh environments. Applications include applications in the chemical, pharmaceutical, and food industries, where resistance to chloride stress-induced cracking is important Applications in power plants, water treatment plants, and the marine environment. With excellent resistance to oxidation and high temperatures, it is ideal for structural support, frames and brackets in construction and manufacturing, providing durability and durability in harsh applications.
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