---
kind: "section"
citation: "46 C.F.R. § 154.1702"
title: "46"
number: "154.1702"
heading: "Materials of construction."
url: "https://uscodex.org/cfr/46/154.1702"
---

# §154.1702. Materials of construction.


When Table 4 references one of the following paragraphs in this section, the materials in the referenced paragraph must not be in components that contact the cargo liquid or vapor:

- (a) **Aluminum and aluminum bearing alloys.**
- (b) **Copper and copper bearing alloys.**
- (c) **Zinc or galvanized steel.**
- (d) **Magnesium.**
- (e) **Mercury.**
- (f) **Acetylide forming materials, such as copper, silver, and mercury.**

## Notes

### Authority

Authority: 46 U.S.C. 3703, 9101; Department of Homeland Security Delegation No. 0170.1.

### Source

Source: CGD 74-289, 44 FR 26009, May 3, 1979, unless otherwise noted.