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CAS No. 52013-36-2
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.
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.
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.
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.
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