---
kind: "section"
citation: "49 C.F.R. § 179.100-9"
title: "49"
number: "179.100-9"
heading: "Welding."
url: "https://uscodex.org/cfr/49/179.100-9"
---

# §179.100-9. Welding.

- (a) All joints shall be fusion-welded in compliance with the requirements of AAR Specifications for Tank Cars, appendix W (IBR, see [§ 171.7](/cfr/49/171.7.md) of this subchapter). Welding procedures, welders and fabricators shall be approved.
- (b) [Reserved]

## Notes

### Amendments

[29 FR 18995, Dec. 29, 1964, as amended at 65 FR 58632, Sept. 29, 2000; 68 FR 75759, Dec. 31, 2003]

### Authority

Authority: 49 U.S.C. 5101-5128; 49 CFR 1.81 and 1.97.

### Source

Source: 29 FR 18995, Dec. 29, 1964, unless otherwise noted. Redesignated at 32 FR 5606, Apr. 5, 1967.

### Amendments

[29 FR 18995, Dec. 29, 1964, as amended at 65 FR 58632, Sept. 29, 2000; 68 FR 75759, Dec. 31, 2003]