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However, do not assume ASME SFA and AWS are identical. ASME often adds supplementary requirements, especially for nuclear applications (Section III). Always use the ASME version, not the AWS version, for code work.

Here is a list of some of the most frequently referenced SFA specifications within Part C:

For projects governed by ASME Section I (Power Boilers) or ASME Section VIII (Pressure Vessels), using non-compliant filler metals voids the ASME stamp. Inspectors rely on Part C to verify Material Test Reports (MTRs) against code minimums. Welding Procedure Qualification (WPS/PQR)

When a welding engineer qualifies a procedure under ASME Section IX, they must refer to Part C. Here is a typical workflow using the PDF:

ASME publications are controlled; obtain the official PDF from authorized distributors or your organization’s standards library to ensure you have the correct, licensed edition and revision. Avoid relying on uncertain third‑party copies.