46 CFR 56.70-20
§ 56.70-20 Qualification, general.
United States · 46 CFR — Shipping · Status: effective
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- Citation
- 46 CFR 56.70-20, § 56.70-20 Qualification, general, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/225137
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Full text
(a) Qualification of welding procedures and welders is required, and must comply with the requirements of Section IX of the ASME BPVC (incorporated by reference; see § 56.01-2) as modified by part 57 of this subchapter.
(b) Each butt-welded joint of Class I of Class I-L piping must be marked with the welder's identification symbol. Dies must not be used to mark the pipe where the pressure exceeds 600 psig or the temperature exceeds 750 °F or in Class I-L systems.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.