Non Standard 316 Sandblasting Washers – Industry Trends and Best Practices

For non-standard 316 stainless steel sandblasting washers, you are likely looking for a custom-sized component with a specific matte, non-reflective finish. Since 316 stainless steel is the preferred “marine grade” for its high resistance to chlorides, combining it with a sandblasted finish is common in medical, pharmaceutical, and high-end architectural applications where a sanitary, scratch-resistant surface is required.

1. Customization Options (Non-Standard)

Because these are non-standard, they are typically manufactured through:

• Laser/Waterjet Cutting: Best for custom Inner Diameters (ID), Outer Diameters (OD), or complex shapes (like square or slotted washers) without needing expensive tooling.
• CNC Machining: Necessary if the washer requires a specific thicknessor stepped profile with tight tolerances.
• Stamping: Most cost-effective for large quantities (thousands of units), though it may require custom die sets for non-standard sizes.

2. Sandblasting Finish Benefits

Sandblasting (also known as bead blasting) on 316 stainless steel provides several advantages:

• Surface Roughness: Can achieve a specific RA value (e.g., 1.2 RA), which is crucial for clean rooms in the pharmaceutical industry.
• Uniform Appearance: Removes discoloration, weld burns, and tool marks, creating a consistent matte finish.
• Maintenance: The diffuse reflection of a sandblasted surface makes fingerprints and water stains less noticeable than on a mirror-polished surface.

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