TESTING RESULT
The Simulation of Real World - Cyclical Seawater Immersion for 365 Days Corrosion Results (Cyclic Corrosion Testing)
2016-09-23Through the real world of the sea and sun drilling screws on the cyclic corrosion test, the 365-day cycle after immersion and exposure to get the results.
The Test Results for 365 Days Seawater Immersion Corrosivity (Phase 3) | |
The Self-Drilling Screws Test Results for 365 Days Seawater Immersion Corrosivity | |
Test Start Date | At 3:00 on September 24th, 2015 |
Test Completed Date | At 3:00 on September 23th, 2016 |
Sample QTY | 5 Pieces/Per Different Self-Drilling Screw |
Test Cycle Time Per Stage (Phase 1) (From 1st till 40th Day) |
(Initial Period): 7 days’ immersion in seawater, and then another 3 days’ exposure to the sun (till 4th October, 2015). (Midterm): 2 days’ exposure to the sun after 3 days’ soaking in seawater, and this cycle was to repeat 4 times. ) (Final): 3 days’ exposure to the sun after 7 days’ soaking in seawater. The test ends at this stage. |
Test Cycle Time Per Stage (Phase 2) (From 41st till 180th Day) |
The self-drilling screws continued to be soaked when the phase 1 is completed. The cycle time for the Phase 2: 7 days’ exposure to the sun after 30 days’ soaking in seawater, and this cycle was to repeat again and again. |
Test Cycle Time Per Stage (Phase 3) (From 181st till 365th Day) |
7 days’ exposure to the sun after 30 days’ soaking in seawater, and this cycle was to repeat again and again. |
Total Test Cycle Time | 365 Days (From 2015/9/24 till 2016/9/23) |
Tested Results | (1) XIOD Coating Self-Drilling Screws (It Has Been Drilled): No red rust (2) XIOD Coating Self-Drilling Screws (Whole Brand New): No red rust (3) #410 Stainless Steel Self-Drilling Screws(Whole Brand New): Red rust on drill part & thread part as well as head part. (4) #302 SS Head Self-Drilling Screws(Whole Brand New): Serious red rust on drill part & thread part as well as peeling, loss. |
Picture 1: The Test Result Overview Picture for 4 Kinds of Self-Drilling Screws
Picture 2: XIOD Coating Highly Corrosion Resistant Self-Drilling Screws(It Has Been Drilled)
Picture 3: XIOD Coating Highly Corrosiont Resistant Self-Drilling Screws(Whole Brand New)
Picture 4: #410 Stainless Steel Self-Drilling Screws(Whole Brand New)
Picture 5: #302 SS Head Self-Drilling Screws(Whole Brand New)