Which steel for studs?

[Mark RandParticipant @markrand96270]

Just a small point:-

DO NOT USE EN1A!!!

Sorry to shout, but it rusts as soon as you look at it indoors. On a tractor it will be a mess within the week outdoors, if it isn’t completely sealed. The leaded version is worse, but the re-sulfurized version is also prone to corrosion.

EN8, unhardened is good for most uses. EN16T is better if higher strength is needed.

 

[bernard towersParticipant @bernardtowers37738]

Sorry but I use stacks of EN1A and dont have any rust problems except when people handle things at exhibitions and by the time I get things home they have rusty fingerprints on them. suggest its in your hand secretions. I do have a friend who has the same problem and I dont let him touch my tools!!!

[Mark RandParticipant @markrand96270]

Not finger secretions in my case, just storage of parts in the workshop and occasionally, outdoors. Compared with other steel alloys that I use, it’s terrible for corrosion.

If it rusts within hours of some people touching it, how is it going to handle being used on a tractor? 🙂

[Chris TriceParticipant @christrice43267]

Instinctively, I’d try to source a long suspension high tensile bolt from something like a Jaguar or a truck, cut to length and thread cut the ends appropriately. I can’t see many materials improving on the strength of that.

[bernard towersParticipant @bernardtowers37738]

I personally dont think that using a converted HT bolt is a good idea as they machine badly which is why the originals are rolled in the first place, much better to use a machining friendly steel like the ones mentioned earlier ie EN8M or EN16 or if you can get hold of it USACUT55

[Charles LamontParticipant @charleslamont71117]

I often use HT bolts as a source of HT bar when I only need a bit and specification is not critical. I find a good quality cap-head best. I can usually machine them to a good finish without much trouble. The material is similar to EN24T.

[howardbParticipant @howardb]

Just use EN8 it’s better than EN1A by a country mile for tensile strength of bolts, studs. and anything you need to be stronger than a DIY shop gutter bolt.

[bernard towers]

On bernard towers Said:

I personally dont think that using a converted HT bolt is a good idea as they machine badly which is why the originals are rolled in the first place, much better to use a machining friendly steel like the ones mentioned earlier ie EN8M or EN16 or if you can get hold of it USACUT55

Rolled threads are cheaper, but more importantly stronger than cut.

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