The grain structure of Tri-X - or any B&W film for that matter - varies with the developer used and the developing technique, including time, temperature, and agitation, and, to a greater or lesser degree, the exposure. To answer your question, yes and no, more or less, it depends.
Shel > [Original Message] > From: <[EMAIL PROTECTED]> > Bit grainy. Is Tri-X really that grainy? But interesting results, thanks.