Home > Stainless Steel > Stainless Steel 317L Pipes
Stainless Steel 317L Pipesare a category of austenitic stainless steel engineered specifically to deliver improved corrosion resistance in extremely aggressive settings. Compared to standard grades, they hold greater amounts of chromium, nickel, and molybdenum, which gives them superior protection against a range of corrosive agents including acids, chlorides, and other chemicals. Stainless steel 317L pipes are widely applied in sectors like chemical processing, pharmaceuticals, food processing, and marine applications where resisting corrosion is essential. They provide outstanding strength, weldability, and formability, which makes them well suited for a broad array of challenging environments and uses.
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Dimensions |
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ASTM, ASME and API |
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Standard |
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ASTM A312 / ASME SA312 |
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Size |
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1/8″NB TO 30″NB IN |
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Specialized in |
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Large Diameter Size |
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Schedule |
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SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
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Form |
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Round, Square, Rectangular, Hydraulic Etc |
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Type |
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Seamless / ERW / Welded / Fabricated / LSAW Pipes |
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Length |
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Single Random, Double Random & Cut Length. |
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End |
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Plain End, Beveled End, Threaded |
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Grade |
Ni |
Mn |
P |
C |
S |
Si |
Cr |
Mo |
N |
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317L |
11 – 14 |
2 max |
0.040 max |
0.08 max |
0.03 max |
1 max |
18 – 20 |
3 – 4 |
– |
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Density |
8.0 g/cm3 |
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Melting Point |
1454 °C (2650 °F) |
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Tensile Strength |
Psi – 75000 , MPa – 515 |
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Yield Strength (0.2%Offset) |
Psi – 30000 , MPa – 205 |
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Elongation |
35 % |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for every one of your piping requirements. With cutting-edge production facilities strategically positioned across the New Zealand, we maintain an extensive inventory of more than 25,000 tons of top-quality materials kept ready in stock.
Reach out to us for a fast quote tailored to your requirement.
We supply these Stainless Steel 317L Pipes conforming to DIN, ISO, JIS or ANSI Standard.
Stainless Steel 317L Pipes serve applications as varied as the industries that use them, led chiefly by the aerospace, railway, construction and automotive sectors along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Stainless Steel 317L Pipesare usually dimensioned according to their nominal pipe size (NPS), a standard established by the American National Standards Institute (ANSI). NPS is a numerical value that indicates the approximate inside diameter of the pipe. In addition, stainless steel pipes are defined by their schedule, which denotes the wall thickness of the pipe. Frequently used schedules include Sch 5, Sch 10, Sch 40, and Sch 80, among others, each having a distinct wall thickness. The pairing of NPS and schedule sets the overall dimensions of the stainless steel 317L pipe, guaranteeing compatibility with fittings and other parts within the piping system.
Stainless steel 317L pipes offer excellent protection against corrosion, especially in demanding environments where acids, chlorides, and other corrosive agents are present. Because 317L incorporates molybdenum along with elevated amounts of chromium and nickel, its ability to resist corrosion surpasses that of ordinary stainless steel grades. Nevertheless, under severe conditions or extended contact with certain aggressive chemicals, a certain amount of corrosion can still develop. To reduce any possible corrosion hazards and secure the durability of stainless steel 317L pipes throughout their use, consistent upkeep and appropriate material choice remain crucial.
To choose the appropriate stainless steel 317L pipes for your needs, take into account variables like the temperature, pressure, and corrosiveness of the operating environment. Establish the necessary size, dimensions, and material grade according to flow rates, spatial limitations, and compatibility with existing components. Evaluate the weldability, fabrication demands, and surface finish to guarantee smooth integration into your system. Confirm adherence to applicable industry standards and certifications. Furthermore, weigh the supplier’s reputation and cost-efficiency to reach a well-informed choice. Seeking advice from experts or engineers who specialize in stainless steel piping can further help customize the selection to fit particular application requirements.
Yes, stainless steel 317L pipes are recyclable once their service life ends. Stainless steel offers excellent recyclability and keeps its characteristics across numerous recycling cycles. Once taken out of use, stainless steel pipes can be gathered, separated, and turned into scrap. That scrap is subsequently melted in furnaces and repurposed to make new stainless steel goods, pipes among them. Stainless steel’s recycling method is eco-friendly and energy-saving, which makes it a sustainable option. Recycling stainless steel aids in preserving natural resources, cutting energy use, and reducing waste, all of which support a circular economy.
Mail: sales@koasteel.nz