About this file

This is a Question and Answer document addressing a vendor inquiry about manufacturer identification for specific steel heats. The response indicates that Carpenter Technology has been identified as one manufacturer of the steel heats in question, while noting there may be other steel manufacturers capable of producing the listed heats. This Q&A is part of a solicitation for AISI-SAE 4340 steel bars from specific heats (J5803-2, J4906-1, and J4943-3) being procured by the National Institute of Standards and Technology.

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Question and Responses.pdf PDF
1333ND25QNB640027.pdf PDF

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Question: Please let me know if you know if you can identify and provide the manufacturer.

Response: Carpenter Technology has been identified as one manufacturer. There may be other steel manufacturers of the listed heats.

File details come from the government source that posted it. Updated .