Dear Ali,
On Tuesday, August 27, 2013 1:24:18 PM UTC+3, Ali Asghari wrote:
-- Your specification calls the requirement for B7M to avoid the corrosion under insulation. B7M bolting is often opted for in corrosive environments due to its heat treatment & hardness.
B7 bolting also can be used if it is used for non exposed to corrosive environment which means we can substitute the B7 bolting with B7M for corrosive environment.
Regards
On Tuesday, August 27, 2013 1:24:18 PM UTC+3, Ali Asghari wrote:
Dear All
What are differences between B7,B7M ?(except as torque value,yield strength)
In our specification usage of B7M confined under insulation.why?
When we can B7 replaced by B7M with regard to service condition?or is it possible with regard to dissimilar strength ?
Regards
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