You might try this document content.lincolnelectric.com/pdfs/ products/literature/c64000.pdf
It has some physical and mechanical pr>Gwyn Phillips wrote:
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>>Both 309 &316 Stainless Steel are fully austenitic and susceptible to >>
> ^----
>Did you mean to say 310 here?
>
>>hot cracking under certain conditions.309 has a percentage of Ferrite
>>present as a second phase which minimizes cracking which is why it is
>>recommended for joining different stainless steels or stainless to mild
>>steel.312 S/S has 29Cr/9Ni and has a much higher Ferrite content and is
>>used as the all purpose maintainance rod for joining metals prone to
>>cracking and could be used for 310/316 combination.Hope this helps. >>
>
>Do you have specs on 312, especially the mechanicals? I've had a hard
>time finding much on it. Seems almost as bad as Unobtainium.
>
>Ted
>