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317L stainless steel is a low-carbon austenitic stainless steel known for its excellent corrosion resistance and mechanical properties. Here is a detailed introduction:
Chromium (Cr): 18.0–20.0% (forms a passive oxide layer for corrosion resistance).
Nickel (Ni): 11.0–15.0% (stabilizes the austenitic structure and improves toughness).
Molybdenum (Mo): 3.0–4.0% (enhances resistance to pitting and crevice corrosion in chloride environments).
Other Elements: Trace amounts of manganese (Mn), silicon (Si), phosphorus (P), and sulfur (S) within standard limits.
Key Properties
Corrosion Resistance
Highly resistant to general corrosion, pitting, and crevice corrosion in acidic and chloride-rich media (e.g., seawater, chemical solutions).
Superior to 304/316 stainless steels in harsh environments due to the higher molybdenum content.
Mechanical Properties
Tensile Strength: ≥ 485 MPa
Yield Strength: ≥ 170 MPa
Elongation: ≥ 40%
Maintains ductility and toughness even at low temperatures.
Heat Resistance
Can withstand continuous service temperatures up to 800°C (1470°F) with minimal scaling and loss of strength.
Applications
Chemical Industry: Equipment for handling acids (e.g., sulfuric, phosphoric), chlorides, and corrosive chemicals.
Marine Engineering: Marine components, offshore structures, and seawater treatment systems.
Food & Pharmaceutical: Hygienic equipment requiring high corrosion resistance and easy cleaning.
Paper & Pulp Industry: Machinery exposed to bleaching agents and wet corrosive environments.
Environmental Engineering: Wastewater treatment plants and components in aggressive water conditions.
Advantages over 316L
Higher molybdenum content (3–4% vs. 2–3% in 316L) provides enhanced resistance to pitting and crevice corrosion in severe chloride environments.
Suitable for applications where 316L may fall short, such as high-concentration saltwater or strong chemical exposure.
Processing and Welding
Good formability and machinability, similar to other austenitic stainless steels.
Welding is straightforward, but low-carbon content (≤ 0.03%) minimizes the risk of intergranular corrosion (IGC) without post-weld heat treatment.
Standards
Compliant with international standards:
ASTM A240/A240M (USA)
EN 10088-2 (Europe)
JIS G4303 (Japan)
317L stainless steel is a reliable choice for demanding applications where high corrosion resistance and durability are essential, making it a preferred material in industries exposed to aggressive media.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...
