Mr.Prasad,
may i know what is the pressure in HE.??? AND what is the thickness of CH. cover ???
SAMIR THAKKAR
(PRABHA STEEL IND.)
From: M S R K S Prasad <MSRKSPrasad@nagarjunagroup.com>
Sent: Sat, 13 Aug 2011 16:53:57
To: materials-welding@googlegroups.com
Subject: [MW:12205] ASTM A 193 Gr B7 to B16
Dear members,
I am thinking of changing MOC of one of the exchanger channel cover bolts from B7 to B16 as the exchanger channel cover is leaking very frequently. Whenever it leaks we tighten it manually the leak minimizes after few days it resurfaces.In each tightening the nuts are moving by about 10 to 15 deg.
I request members to suggest whether the choice of B16 is OK are any other bolting material is better than B16 is available.
with regards
-- SAMIR THAKKAR
(PRABHA STEEL IND.)
From: M S R K S Prasad <MSRKSPrasad@nagarjunagroup.com>
Sent: Sat, 13 Aug 2011 16:53:57
To: materials-welding@googlegroups.com
Subject: [MW:12205] ASTM A 193 Gr B7 to B16
Dear members,
I am thinking of changing MOC of one of the exchanger channel cover bolts from B7 to B16 as the exchanger channel cover is leaking very frequently. Whenever it leaks we tighten it manually the leak minimizes after few days it resurfaces.In each tightening the nuts are moving by about 10 to 15 deg.
I request members to suggest whether the choice of B16 is OK are any other bolting material is better than B16 is available.
with regards
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To post to this group, send email to materials-welding@googlegroups.com
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For more options, visit this group's bolg at http://materials-welding.blogspot.com/
The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
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