Design of Torqued Stainless Steel bolts 1

[patelam]

I am working on stainless steel frame with bolted connections using stainless steel bolts. The bolts are torqued.

Can anyone tell me the US design standards I can use to design stainless steel bolt connections with torque applied on it?

 

[JLNJ]

AISC has a whole specification for stainless structures.

304 stainless bolts are not particularly high strength and probably should not be pretensioned. There are a number of high-strength stainless alloys which can be pretensioned when used as bolts.

What is your bolt spec and how are your bolts loaded?

 

[WesternJeb]

Structure magazine actually had a article on this, this month! See Link

 

[patelam]

@JLNJ I using M12x40 A2/A4-70 bolt to fasten a SS sheet and SS channel, with washer broad A2/A4 HV200 and two nuts M12 A2/A4-70. The first mounting nut is torqued 8Nm and second (jam) nut is torqued 48Nm. I want to find out if the torques applied to both the nuts will pretension the bolt or the bolt will remain in snug-tight situation. Can you help me how to find this out?

And if it is pre-tensioned, how do I design the bolt for pre-tension load.

Thanks @WesternJeb. I will read the article.