Stainless Steel Grade 317L Steels

Machining stainless steel grade 317L requires low speeds and constant feeds to reduce its tendency to work harden. This steel is tougher than grade 304 stainless steel with a long stringy chip; however, using chip breakers is recommended. Welding can be performed using most of the conventional fusion and resistance methods. Oxyacetylene welding should be avoided. AWS E/ER 317L filler metal is recommended.

The mechanical properties of grade 317L stainless steel Sheets & Plates are displayed in the following table.

PropertiesMetricImperialTensile strength595 MPa86300 psiYield strength260 MPa37700 psiModulus of elasticity200 GPa29000 ksiPoisson's ratio0.27-0.300.27-0.30Elongation at break (in 50 mm)55%55%Hardness, Rockwell B8585

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