Vulcan entered the long bar quench and temper market and now the Heat Treating division is the largest long bar, induction heat treater in the world with annual. Caution: All material included in this chart is advisory only, and its use by anyone is voluntary. In developing this information, Fastenal has. Esparragos #B7 #Cadmiados #Fluorocarbonados #Galvanizados #Quito # Ecuador [email protected]

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You can find summaries for both ASTM standards on our website. Is there any calculation about it? You will need to consult the project engineer and get their approval for the substitution.

Grupo Kazerooni – Varilla Roscada, esparragos B7, B16, Monel y mas Varilla Roscada

g7 B7 and B7M are two separate grades within A that are made from alloy steel. Even a simple cutting process will require an additional heat treat process.

Nitin — There are several differences, too many to list here. If not which is the suitable bolt material A Gr.

Grupo Kazerooni – Varilla Roscada, esparragos B7, B16, Monel y mas Vulcan

It will depend on espaeragos they are being used and what the engineer designed for. I do not know why the documents you reference do not mention the line, perhaps they have not been updated since the change was made.


B16 or A Gr. Leave a Reply Cancel reply Your email address will not be published. The differences can come if the item is being used in nuclear or special applications, then there might be some additional bb7, but we are less familiar with those. I am working in petroleum refinery. May you help me about correlation Bolt Tensile Strength vs Pressure?

The downside is that the shallow threads are more susceptible to damage and thread stripping in some situations. Hafiz — No, the bolts would have the same dimensions regardless of which grade was specified.

Jayant- B7 and B7M bolts are chemically identical, so they would both have the same corrosion resistance, which is negligible. Why is this line not mentioned in numerous doccuments?

I understand we could not tighten the internals bolts B7M in our case and it should withstand in extreme process condtion i. I have a query.

Esparragos ASTM A193 Gr. B7, 2 Tuercas A194 Gr 2h Bolt

If the purchaser requires indentation testing, he must specify 3. John — A section 9. Jugal — I am sorry, but we are unable to answer that question.


B7 and B7M are very different. The design temperature of the tank is 85 deg C only.

Machine bolts sometimes fare better during wedge tests due to the forged head, but we would not say that one is stronger than the other. The A nut chart we created based on common industry practices. Dear Sir, I have a query. We have a valve with Grade B7 bolts that need to be change out, we will need longer bolts when going back together.

There are some significant differences in both the mechanical properties and the testing requirements of AB7M and AB7. Hello, Please tell me about use B7 and B7M which one and for what, for instance in a valve. If the purchaser does not specify 3. Thanks for your help. Tauseef- F washers are the recommended washer for A grades B7 and B7M, if washers are needed.

The corresponding nuts standards are A grade 8M and F group 2. It seems to be a requirement in ASTM How can we convert B7 to B7M? What is the heat treatment process of astm a grade b7m???