46 CFR § 57.06-5 - Production toughness testing.

---
identifier: "/us/cfr/t46/s57.06-5"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 57.06-5 - Production toughness testing."
title_number: 46
title_name: "Shipping"
section_number: "57.06-5"
section_name: "Production toughness testing."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "F"
subchapter_name: "MARINE ENGINEERING"
part_number: "57"
part_name: "WELDING AND BRAZING"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 3306, 3703, E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; 49 CFR 1.46."
regulatory_source: "CGFR 68-82, 33 FR 18872, Dec. 18, 1968, as amended by USCG-2020-0634, 89 FR 50162, June 12, 2024, unless otherwise noted."
cfr_part: "57"
---


# 57.06-5 Production toughness testing.

(a) In addition to the test specimens required by § 57.06-4(a), production toughness test plates must be prepared for Classes I-L and II-L pressure vessels in accordance with subpart 54.05 of this subchapter.

(b) For nonpressure vessel type cargo tanks and associated secondary barriers as defined in § 38.05-4 of subchapter D of this chapter, production toughness test plates must be prepared in accordance with subpart 54.05 of this subchapter.

[CGD 68-82, 33 FR 18872, Dec. 18, 1968, as amended by CGD 72-206R, 38 FR 17229, June 29, 1973; CGD 95-012, 60 FR 48050, Sept. 18, 1995]