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317 stainless steel is a type of austenitic stainless steel, which contains a low to moderate amount of carbon content. It also has an enhanced corrosion resistance compared to other types of stainless steel. This makes it particularly desirable for use in industrial and commercial applications, as it is able to withstand harsh environmental conditions with ease.
The chromium content provides the metal with its anti-corrosive properties, while the molybdenum further strengthens the alloy’s ability to resist corrosion in certain environments. The nickel content adds further strength and corrosion resistance while ensuring that the metal remains ductile even at cryogenic temperatures.
Grade | C≤ | Mn≤ | P≤ | S≤ | Si≤ | Cr | Mo | Ni | N≤ |
317 | 0.08 | 2 | 0.045 | 0.03 | 0.75 | 18.0-20.0 | 3.0-4.0 | 11.0-15.0 | 0.1 |
Mechanical properties | Tensile, min, ksi[MPa] | Yield, min, ksi[MPa] | Elongation, %(min) | Hardness, HB（max） |
317 | 75【515】 | 30【205】 | 35 | 217 |
Density: 8 g/cm3
STANDARD | WERKSTOFF NR. | UNS | JIS |
317 | 1.4449 | S31700 | SUS317 |
Pipe | Pipe | Tube | Tube | Sheet/Plate | Bar | Forging | Fitting |
A312 | A312 | A213, A269 | A269, A249 | A240 | A276, A479 | A182 | A403 |
Stainless Steel 317 Application：
Paper and pulp handling equipment
Chemical and petrochemical processing equipment
Condensers in fossil and nuclear fueled power generation stations
Food processing equipment
Textile equipment
