we usually use stainless steel bolts to fix the canopy frame on the deck, there are aluminum plates laminated in the deck. Now think how it will keep that bolt or stud in its grips forever. But yesterday my friend told me that's not good, he said aluminum will accelerate stainless getting rust. There's still a dissimilar material issue though. When aluminum and stainless steel are used in an assembly together, the electrons from the aluminum will begin to transfer into the stainless steel. Joined: Dec 2008 Posts: 4,862 …

However, there are methods that can be used to reduce this effect. : Bruce.

stainless bolt use on aluminum boat August 23rd, 2014, 07:32 AM I will be reinstalling the transducer bracket soon and wondered if I can replace rusty steel bolts with stainless steel. I have a problem and wonder whether someone here might have an answer. Although aluminum reacts negatively to stainless steel, large surface areas of aluminum to stainless steel can be acceptable depending on local environmental conditions.

The galvanized steel and ally caused the greatest problem, the stainless was bad but not nearly as bad, it will probably last another year or two.
Use stainless nutserts and stainless machine screws (or bolts, depending on size). I have 4-53 engine with a blower attached to the side. Ive seen it bow 1/2" alum. 2004. If the … I sheered the head off one of the four above mentioned blower mounting bolts. This is especially true of aluminum parts and stainless steel bolts subjected to saltwater. I work on filling machines where aluminum and stainless have come in contact. Now that I have rung one off, I decided to ask if there are any suggestion on how to get the bolts out in one piece. Plastic or neoprene will permit movement where you really don't want any. Use stainless Heli-Coils with stainless fasteners in aluminum. Galvanic corrosion issues: aluminum and stainless steel.

Use stainless nutserts and stainless machine screws (or bolts, depending on size). Galvanic corrosion issues: aluminum and stainless steel.

3M5200 wouldn't be a bad idea, really is just a coating/bedding helping keep corrosion away. Trying to dismantle a Marquipt Sea Stair boarding ladder that has been together for 33 years.

This results in the aluminum weakening. Always ensure that the aluminum part of the material is larger than the stainless steel screws to avoid it being eaten away. The blower is aluminum and the engine block is iron.

Maybe you should look into some tabs or ears welded to the aluminum, possibly a Triplate transition joint, so you can eliminate the corrosion issue all together.

Aluminum which has an anodic nature will quickly disintegrate when it comes into contact with salty water, and will do the same … Q. I have an application were I have a 1/4" thick plate of aluminum in direct contact with a sheet of 304 Stainless Steel.

Is that right ? 17 Sep 2010 12:12 #399348. staniel; Topic Author; Offline; Member Posts: 181 Thank you received: 4 So, I stripped and broke more than zero bolts in the process of taking the head off my KZ750.

However, there are methods that can be used to reduce this effect. Stainless steel bolts - bad for aluminum? 3M5200 wouldn't be a bad idea, really is just a coating/bedding helping keep corrosion away. plate. Even though aluminum does not rust, corrosion can still form between aluminum and a non-aluminum bolt. Q. I have an application were I have a 1/4" thick plate of aluminum in direct contact with a sheet of 304 Stainless Steel. A discussion started in 2004 but continuing through 2018. The trailer was assembled with a combination of ally, galvanized steel, and stainless. Then you add moisture in and watch out .

Aluminum plates come with - ion, stainless steel come with + :?::?

Although aluminum reacts negatively to stainless steel, large surface areas of aluminum to stainless steel can be acceptable depending on local environmental conditions.

On the other side is the boat motor which also has a combination of ally and stainless with no sign of corosion.
Never use self locking Heli-Coils or any other self locking inserts or clinch nuts with stainless steel threaded fasteners. The old 5/16" stainless machine bolts are threaded into aluminum and are cold welded, or seized, or whatever, they just do not move. Despite the dissimilar metals and risk of corrosion, stainless steel screws are the recommended fastener for aluminum panels. This weakened aluminum causes it to deteriorate at a much faster rate.

So, you have a 'glass extension through bolting an aluminum hull.