Excellent Corrosion Resistance · High Strength & Durability · Good Weldability & Fabrication Properties · Global Industrial Supply
HRS Ferritic is a trusted and leading 317L stainless steel Coils Supplier, 317L stainless steel Coils Stockist, and 317L stainless steel Coils Importer in India, offering premium-grade materials sourced from valuable and globally certified manufacturers. 317L stainless steel coils are austenitic stainless steel products known for their superior corrosion resistance, especially in highly aggressive chemical environments. This grade contains higher molybdenum content compared to 316L, enhancing its resistance to pitting and crevice corrosion. These coils are widely used in industries such as chemical processing, petrochemical, and marine applications where high corrosion resistance and strength are critical.
317L stainless steel coils work by forming a passive chromium oxide layer on the surface when exposed to oxygen. This protective layer prevents corrosion and oxidation, even in highly aggressive environments such as acidic and chloride-rich conditions. The increased molybdenum content enhances resistance to localized corrosion. Additionally, the low carbon content in 317L prevents carbide precipitation during welding, ensuring structural integrity and long-term performance.
Key alloying elements that contribute to the high-performance austenitic structure of 317L grades.
ASTM A240 · ASME SA240 · UNS S31703 · EN 1.4438
| Specification | Details |
|---|---|
| ASTM / ASME | ASTM A240 / ASME SA240 (Plate, Sheet, Strip, and Coils) |
| UNS | UNS S31703 |
| EN | 1.4438 or X2CrNiMo17-12-3 |
| DIN | 1.4438 or X2CrNiMo17-12-3 |
| ISO | X2CrNiMo17-12-3 |
| JIS | SUS 317L |
| Product Form | Coils / Sheets / Plates |
| Thickness Range | 0.5 mm to 100 mm |
| Standard Widths | 1000 mm, 1219 mm, 1250 mm, 1500 mm, 1800 mm, 2000 mm, 2500mm, 3000mm, 3500mm, etc |
| Standard Lengths | 2000 mm, 2440 mm, 2500 mm, 3000 mm, 5800 mm, 6000mm, etc |
| Custom Width Cut | Available as per customer requirement |
| Custom Length Cut | Available as per customer requirement |
| Surface Finish | Hot Rolled (HR), Cold Rolled (CR), Annealed & Pickled (AP) |
| Supply Condition | Solution Annealed |
| Cutting Methods | Plasma, Laser, Waterjet, Oxy Propane |
| Packaging | Bundled, Wooden Plates, Bubble wraps, Customized |
Precision sheets, heavy plates, and shim sheets available in various 317L conditions.
Slitting coils, perforated coils, and thin foils from 0.05 mm thickness onwards.
Circles, rings, custom-cut blanks, and chequered plates tailored to specifications.
Mill edge, slit edge, round edge, and square edge conditions available for supply.
18.00–20.00% — Crucial for oxidation and corrosion resistance.
11.00–14.00% — Enhances ductility and toughness of the austenitic coil.
3.00–4.00% — Significantly improves pitting and crevice corrosion resistance.
≤ 0.03% — Low carbon prevents sensitization during welding cycles.
≥ 515 MPa — High ultimate strength for high-stress industrial applications.
≥ 205 MPa — Excellent 0.2% Offset Yield Strength for structural reliability.
≥ 35–40% — Superior ductility for complex forming and coil fabrication.
≤ 217 HB — Optimal Brinell hardness for durability and performance.
Available in multiple finishes and conditions for diverse engineering needs.
Complete elemental breakdown for the 317L austenitic stainless grade.
| Element | 317L Stainless Steel (%) |
|---|---|
| Carbon (C) | ≤ 0.03 |
| Manganese (Mn) | ≤ 2.00 |
| Silicon (Si) | ≤ 0.75 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
| Chromium (Cr) | 18.00 – 20.00 |
| Nickel (Ni) | 11.00 – 14.00 |
| Molybdenum (Mo) | 3.00 – 4.00 |
| Nitrogen (N) | ≤ 0.10 |
| Iron (Fe) | Balance |
As a leading 317L stainless steel Coils Supplier and 317L stainless steel Coils Stockist, we give the best pricing based on specifications, order quantity, and market trends.
Cross-reference table for international designations of 317L stainless steel coils.
| Standard | 317L Grade Equivalent |
|---|---|
| ASTM / AISI (USA) | 317L |
| UNS | S31703 |
| EN (Europe) | 1.4438 / X2CrNiMo17-12-3 |
| DIN (Germany) | 1.4438 |
| JIS (Japan) | SUS 317L |
| IS (India) | 03Cr17Ni12Mo3 |
| ISO | X2CrNiMo17-12-3 |
| BS (UK) | 317S31 |
| GOST (Russia) | 08Cr17Ni12Mo3 |
| AFNOR (France) | Z2CNDT17-13 |
| KS (Korea) | STS 317L |
| GB (China) | 022Cr17Ni12Mo3 |
HRS Ferritic is committed to delivering high-performance stainless steel solutions with reliability and excellence. We source materials from globally certified manufacturers to ensure the best industrial outcomes.
Quick answers to common queries about 317L Stainless Steel Coils.