
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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