46 CFR § 56.04-1 - Scope.

---
identifier: "/us/cfr/t46/s56.04-1"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 56.04-1 - Scope."
title_number: 46
title_name: "Shipping"
section_number: "56.04-1"
section_name: "Scope."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "F"
subchapter_name: "MARINE ENGINEERING"
part_number: "56"
part_name: "PIPING SYSTEMS AND APPURTENANCES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "33 U.S.C. 1321(j), 1509; 43 U.S.C. 1333; 46 U.S.C. 3306, 3703; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; E.O. 12777, 56 FR 54757, 3 CFR, 1991 Comp., p. 351; DHS Delegation No. 00170.1, Revision No. 01.4."
regulatory_source: "CGFR 68-82, 33 FR 18843, Dec. 18, 1968, unless otherwise noted."
cfr_part: "56"
---


# 56.04-1 Scope.

Piping is classified as shown in table 1 to § 56.04-1.

Table 1 to § 56.04-1—Piping Classifications

| Service | Class | Section in this part |
| --- | --- | --- |
| Normal | I, II | 56.04-2 |
| Low temperature | I-L, II-L | 56.50-105 |

[CGD 72-206R, 38 FR 17229, June 29, 1973, as amended by CGD 77-140, 54 FR 40602, Oct. 2, 1989; CGD 95-012, 60 FR 48049, Sept. 18, 1995; USCG-2020-0634, 89 FR 50131, June 12, 2024]