Re: Flange Bolts material substitution-Query.

From: <Christopher>
Date: Sat Sep 03 2005 - 13:08:00 EDT

On Sep 3, 2005, at 5:54 AM, Rajesh.Balapure@ril.com wrote:

> Whether ,IS 1367 gr 4.6 bolt material can be substituted for A307Gr
> B for
> piping flange bolts.

The only way to know this for sure, since the bolting requirements vary with service, is to compare the two specifications to make sure the material specs envelope and that there won't be any environmental issues. Never substitute chemistry-only specifications for ASTM/ASME specifications. Processing variables are extremely important. Christopher Wright P.E. |"They couldn't hit an elephant at <a href="/group/PipingDesign/post?postID=kERhFmGDRqCnXRsq4JEPamCUgppTYEGo4vJ2lQYJwuTDRLLcVJhxDwiY8s--aoHQpNKdbf9J3NyG_6E">chrisw@skypoint.com</a> | this distance" (last words of Gen.

.......................................| John Sedgwick, Spotsylvania

1864)
<a href="http://www.skypoint.com/~chrisw/">http://www.skypoint.com/~chrisw/</a> Received on Sat Sep 03 13:08:00 2005