CAS No. 52013-36-2 Product Intelligence 316L is the most commonly used metal in additive manufacturing for a reason: it offers the perfect balance of cost, printability, and performance. But "common" should never mean "compromised." Layrr Materials SS316L is a premium, gas-atomized powder designed to eliminate the variables in your daily production. While others sell commodity grit, we supply a feedstock with strictly controlled chemistry—specifically focusing on the Low Carbon (L) content to prevent sensitization and intergranular corrosion during the thermal cycles of laser sintering. Material Behavior & Microstructure The "L" in 316L stands for Low Carbon, but the real secret weapon is Molybdenum (Mo). Corrosion Shield: The addition of 2-3% Molybdenum dramatically enhances resistance to pitting and crevice corrosion in chloride environments (salt water) compared to 304 stainless. Austenitic Structure: It maintains a Face-Centered Cubic (FCC) crystal structure from cryogenic temperatures up to its melting point, ensuring excellent toughness and ductility without becoming brittle. Non-Magnetic: In its annealed state, it remains non-magnetic, crucial for medical and electronic applications. Processing Advantage: The Layrr Standard SS316L is often the "first layer" for new engineers. We ensure it prints perfectly every time. High Apparent Density: Our powder is atomized for high packing efficiency, leading to parts with near-forged density (>99.8%) straight out of the printer. Smooth Surface Finish: The fine particle size distribution enables excellent resolution and surface quality, minimizing post-processing polishing time. Wide Process Window: It is the most forgiving material in additive manufacturing , compatible with almost all laser parameters, making it ideal for prototyping and mass production alike. Critical Applications From rapid prototyping to end-use sanitary components, SS316L is everywhere: Marine & Chemical: Boat fittings, valves, and pump impellers exposed to harsh saltwater or acidic environments. Medical & Pharmaceutical: Surgical tools and implants (short-term) requiring high sanitary standards and autoclave sterilization. Food Processing: Manifolds and piping systems that meet strict hygiene regulations. Automotive: Exhaust components and structural brackets. Layrr Technical Note: While 316L is highly corrosion-resistant, the additive manufacturing process can induce internal stresses. We strongly recommend a stress-relief heat treatment to ensure dimensional stability. Additionally, polishing the surface significantly improves corrosion resistance by minimizing crevices where localized attacks can begin.
