Tag Archives: A194

A194-7 Nuts & High Strength Bolts

Why Are A194 Grade 7 Nuts Not Recommended With High Strength Bolts?

I have noticed in specifications from multiple organizations that ASTM A193 Grade B7 bolts are selected along with ASTM A194 Grade 2H nuts. I know that from ASME B16.5 Flanges and Flanged Fittings, the recommended high strength bolt is ASTM A193 Grade B7. However I cannot find in ASTM A193, A194, ASME B16.5, B18.2.1, B18.2.2, B31.1... Read more