Stainless Steel Alloy 317L

Type 317L is a low-carbon austenitic stainless steel version of Type 317 that offers improved corrosion resistance over Type 304/304L. Some of the other major benefits of Type 317L include:

• Better general and localized corrosion resistance compared to 316/316L stainless steel
• Good formability and weldability
• Increased resistance to chemical attack from acids
• Lower carbon content leads to resistance to sensitization when welded
• Non-magnetic

Like all stainless steels, Type 317L has a unique chemical composition that includes the following:

• Fe Balance
• Cr 18-20%
• Ni 11-15%
• Mn 2%
• Si 0.75%
• C 0.03%
• N 0.1%
• S 0.03%
• P 0.045%

Because of Type 317L benefits and chemical composition, it is used extensively in a variety of industries for many applications including:

• Paper and pulp equipment
• Chemical and petrochemical processing
• Food processing
• Power generation including fossil fuels and nuclear
• Flue gas desulfurization systems

For many years, Yuze Metal  has been a distributor of Type 317L stainless steel in a variety of sizes and shapes. The Alloy 317L, we supply meets or exceeds many of the leading international standards including those from ASTM, ASME, UNS, DIN, and EN.

Common Surfaces

Stainless Steel Standards Comparison Table