46 CFR § 56.70-5 - Material.

---
identifier: "/us/cfr/t46/s56.70-5"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 56.70-5 - Material."
title_number: 46
title_name: "Shipping"
section_number: "56.70-5"
section_name: "Material."
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"
---


# 56.70-5 Material.

(a) *Filler metal.* All filler metal, including consumable insert material, must comply with the requirements of Section IX of the ASME BPVC (incorporated by reference; see § 56.01-2) and § 57.02-5 of this subchapter.

(b) *Backing rings.* Backing rings must comply with section 127.2.2. of ASME B31.1 (incorporated by reference; see § 56.01-2).