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Home> Industry News> Rust Resistance and Precision Retention Capability Testing for Intelligent Wearing Micro Screws

Rust Resistance and Precision Retention Capability Testing for Intelligent Wearing Micro Screws

2026,08,28
Operating Conditions: In coastal areas or humid workshops, Intelligent Wearing Micro Screws are susceptible to salt spray and moisture corrosion, leading to surface rust and decreased precision, especially affecting carbon steel Intelligent Wearing Micro Screws.
CB0.7 Flat head self tapping screw
Salt Spray Test: Following GB/T10125 standard, continuous spraying at 35℃ and 5% NaCl solution for 240 hours;
Damp Heat Cycling Test: Cycled 10 times (24 hours each time) at 40℃/90%RH.
Evaluation Indicators: Surface corrosion area percentage (≤3%), dimensional accuracy change (≤0.05mm), mechanical properties (e.g., tensile strength reduction rate ≤10%).
Material Upgrade: Use stainless steel (e.g., SUS440C) or corrosion-resistant alloy tool steel;
Surface Protection: Chrome plating, zinc plating, or passivation treatment to form a dense oxide film;
Daily Maintenance: Regular maintenance with rust-preventive oil; seal and store when not in use.
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Author:

Mr. yjfastener

E-mail:

hou@citool.com

Phone/WhatsApp:

+8615826187211

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