Which 15S1-* parts are best corosion proof?

The surface treatment for 15F series was defined a long time ago. The zinc plating (AJ) can’t be compared to AGV. We have no test results but we expect a corrosion resistance of about 48 h to parent material corrosion in a salt spray test. With the nickel plating (AD) we expect something around 72 h, but as said we have no validation for both. It was not requested at the time of development and not requested from any other customer so far.     The only possibility to improve the resistance is to switch to zinc-nickel plating. Here we have the disadvantage that this kind of surface is not looking very good.  Huge quantities are required to arrive to affordable pricing.   example: choose: 15S1-3-1AD instead of 15S1-3-1AJ for improved corosion resistance! Opt for 15S1-1-1AD instead of 15S1-1-1AJ select 15S1-5-1AD, 15S1-7-1AD, 15S1-9-1AD, 15S1-11-1AD, 15S1-13-1AD, 15S1-15-1AD (all on stock available)
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