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High-Performance 317L Stainless Steel Plate Alloy 317L SS Plate 1219mm 1500mm 2000mm Width
| Place of Origin | China |
|---|---|
| Brand Name | TISCO BAOSTEEL |
| Certification | ISO |
| Model Number | 317L / S31703 |
| Minimum Order Quantity | 500 kgs |
| Price | 5000 - 7200 USD/Ton |
| Packaging Details | standard packing for export |
| Delivery Time | 5 - 12 days based on the quantity |
| Payment Terms | T/T, Western Union |
| Supply Ability | 20Ton per week |
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xProduct Details
| Products | Stainless Steel Plate | Grade | 317L / S31703 |
|---|---|---|---|
| Thickness | 0.6 - 30.0mm | Width | 1219mm 1500mm 1800mm 2000mm |
| Surface | NO.1 2B | Brand | BAOSTEEL TISCO |
| Standard | ASTM A240/240M | Loading Port | Shanghai Port |
Product Description
High-Performance 317L Stainless Steel Plate Alloy 317L SS Plate 1219mm 1500mm 2000mm Width
Products Specification
| Products Name | 317L Stainless Steel Plate |
| Main Grades | Stainless Steel J1, J2, J4, 201, 202, 301, 304, 304H, 304L, 309, 309S, 310, 310S, 316, 316L, 316TI, 317L, 321, 321H, 347, 409, 410, 410S, 420, 430, 441, 904L,630,631,254SMO,654SMO,253MA,2205,2507.etc |
| Thickness | 0.6 - 30.0mm |
| Width | 1250mm,1500mm ,1800mm,2000mm, or custom other size as request |
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, AS PER CUSTOMER’S REQUIREMENT |
| Type of Material | Laser Cutting |
| Form | Plate / coil |
| Test Certificate | Yes. |
| Finish | NO.1, 2B, 2D, 2H, 2R, No.4, HAIRLINE, SCOTCH BRITE, SATIN FINISH, NO.8, BA. |
| Brand | TISCO, LISCO,BAOSTEEL , POSCO, JISCO |
317L stainless steel, a low-carbon austenitic alloy, stands out for its robust performance in harsh corrosive environments. Here’s a distinct overview highlighting its unique attributes and applications:
Alloy Structure and Composition
As an austenitic grade, 317L features a face-centered cubic crystal structure stabilized by nickel, ensuring ductility and impact resistance. Its key chemical makeup includes:
- Carbon (C): ≤ 0.03% (mitigates carbide precipitation, critical for intergranular corrosion resistance during welding).
- Chromium (Cr): 18–20% (forms a protective Cr₂O₃ layer against oxidation and general corrosion).
- Nickel (Ni): 11–15% (enhances toughness and resistance to reducing acids).
- Molybdenum (Mo): 3–4% (significantly boosts resistance to pitting and crevice corrosion in chloride-laden media, surpassing 316L).
Distinctive Mechanical Traits
- Cold Workability: Maintains formability even after severe cold working, ideal for complex fabrications.
- Temperature Stability:
- Retains strength at sub-zero temperatures (down to -196°C), suitable for cryogenic applications.
- Resists scaling up to 870°C, though prolonged exposure above 650°C may slightly reduce corrosion resistance.
- Mechanical Values (Annealed):
- Tensile Strength: 500–700 MPa
- Yield Strength (0.2% offset): ≥ 205 MPa
- Elongation: ≥ 45%
Corrosion Resistance Edge
- Chloride Environments: Excels in seawater, brine solutions, and paper pulping processes where chloride-induced pitting is a risk.
- Acid Resistance: Resists dilute sulfuric acid, formic acid, and acetic acid better than 300-series alloys.
- Crevice Corrosion: The higher Mo content shifts the crevice corrosion potential (Ecc) to more positive values, reducing vulnerability in stagnant or oxygen-depleted areas.
Innovative Applications
- Desalination Plants: Heat exchangers and pipelines in seawater desalination systems.
- Pharmaceutical Equipment: Reactors and tanks for handling corrosive APIs and cleaning agents (e.g., caustic soda and peroxide).
- Pollution Control: Scrubbers and ducts in flue gas desulfurization (FGD) systems exposed to sulfuric acid mist.
- Offshore Oil & Gas: Subsea valves, risers, and wellhead components in high-salinity, high-pressure environments.
Comparison with 316L
| Property | 317L Stainless Steel | 316L Stainless Steel |
|---|---|---|
| Molybdenum Content | 3–4% | 2–3% |
| Pitting Resistance | Excellent (PREN ~ 34–38) | Good (PREN ~ 28–32) |
| Chloride Tolerance | High-concentration media | Moderate-concentration media |
| Cost | 10–15% higher than 316L | Standard austenitic grade |
Manufacturing and Quality Control
- Welding: Gas Tungsten Arc Welding (GTAW) is preferred; use 317L filler metal to maintain corrosion resistance.
- Heat Treatment: Solution annealing at 1010–1120°C followed by water quenching to homogenize the structure.
- Testing: Commonly subjected to ASTM A923 testing for intergranular corrosion and ferritescope analysis to ensure a fully austenitic matrix.
Standards and Global Compliance
- ASTM A240 (Type 317L)
- EN 10088-2 (1.4438)
- JIS G4303 (SUS317L)
- ASME SA-240 for pressure vessel applications
317L’s combination of high molybdenum, low carbon, and austenitic stability makes it a go-to material for industries where failure due to corrosion is not an option—from deep-sea exploration to high-purity chemical processing.
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