# Longitudinal Joint Factor (E) for Steel Pipe \[49 CFR 192.113\]

**Citation:** LAC 43:XIII §913  
**Type / status:** regulation / current  
**Agency:** Louisiana Office of Conservation  
**Effective:** Not stated  
**Published:** Not stated

A. The longitudinal joint factor to be used in the design formula in §905 is determined in accordance with the following table. Specification Pipe Class Longitudinal Joint Factor (E) ASTM A53/A53M (incorporated by reference, see § 507) Seamless 1. 00 Electric resistance welded 1. 00 Furnace butt wel

## Document text

A. The longitudinal joint factor to be used in the design formula in §905 is determined in accordance with the following table.

Specification

Pipe Class

Longitudinal Joint Factor (E)

ASTM A53/A53M (incorporated by reference, see § 507)

Seamless

1. 00

Electric resistance welded

1. 00

Furnace butt welded

.60

ASTM A106/A106M

(incorporated by reference, see § 507)

Seamless

1. 00

ASTM A333/A333M (incorporated by reference, see § 507)

Seamless

1. 00

Electric resistance welded

1. 00

ASTM A381 (incorporated by reference, see § 507)

Double submerged arc welded

1. 00

ASTM A671/A671M (incorporated by reference, see § 507)

Electric fusion welded

1. 00

ASTM A672 (incorporated by reference, see § 507)

Electric fusion welded

1. 00

ASTM A691 (incorporated by reference, see § 507)

Electric fusion welded

1. 00

API Spec 5L (incorporated by reference, see § 507)

Seamless

1. 00

Electric resistance welded

1. 00

Electric flash welded

1. 00

Submerged arc welded

1. 00

Furnace butt welded

.60

Other

Pipe over 4 inches (102 millimeters)

.80

Other

Pipe 4 inches (102 millimeters) or less

.60

B. If the type of longitudinal joint cannot be determined, the joint factor to be used must not exceed that designated for "Other." [49 CFR 192.113]

AUTHORITY NOTE: Promulgated in accordance with R.S. 30:501 et seq.

HISTORICAL NOTE: Promulgated by the Department of Natural Resources, Office of Conservation, LR 9:222 (April 1983), amended LR 10:514 (July 1984), LR 18:855 (August 1992), LR 20:444 (April 1994), LR 27:1538 (September 2001), LR 30:1231 (June 2004), LR 31:681 (March 2005), LR 44:1036 (June 2018), amended by the Department of Conservation and Energy, Office of Enforcement, LR 51:1831 (November 2025).

## Provenance

- Official: Yes
- Source: <https://www.doa.la.gov/doa/osr/louisiana-administrative-code/>
- Source ID: `la-osr-lac`
- SHA-256: `8500c455f579f4c242cf52858e60074f1931bb344b5cd62cdc317b9c47fad73b`
- Retrieved: 2026-08-12T05:03:44.627Z
- Exported: 2026-08-24T06:49:19.247Z
- Document slug: `la-lac-43-xiii-913`

### Source metadata

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{
  "jurisdiction": "US-LA",
  "part": "LAC 43:XIII",
  "section": "913",
  "pipelineScope": "louisiana-pipeline-safety",
  "legalScope": "Louisiana Office of Conservation pipeline-safety rules governing covered transportation of gas, gas reporting, incorporated and modified federal gas-pipeline requirements, drug and alcohol testing, and LNG facilities.",
  "applicabilityCaveat": "Part XIII applies only within the scope of its certification or agreement, jurisdictional and facility limitations, and section-specific exclusions. Determine operator status, commodity, intrastate or interstate jurisdiction, coastal or Outer Continental Shelf location, gathering classification, LNG status, and federal preemption before applying a provision.",
  "incorporationCaveat": "Part XIII incorporates and modifies portions of 49 CFR Parts 40, 191, 192, 193, and 199. Bracketed federal citations identify the source provision, but Louisiana numbering and text control only within the state rule's scope; consult both current Louisiana and applicable federal text.",
  "historicalNote": "HISTORICAL NOTE: Promulgated by the Department of Natural Resources, Office of Conservation, LR 9:222 (April 1983), amended LR 10:514 (July 1984), LR 18:855 (August 1992), LR 20:444 (April 1994), LR 27:1538 (September 2001), LR 30:1231 (June 2004), LR 31:681 (March 2005), LR 44:1036 (June 2018), amended by the Department of Conservation and Energy, Office of Enforcement, LR 51:1831 (November 2025).",
  "authorityNote": "AUTHORITY NOTE: Promulgated in accordance with R.S. 30:501 et seq.",
  "reserved": false,
  "references": [
    {
      "citation": "49 CFR 192.113",
      "referenceType": "cfr",
      "url": "https://www.ecfr.gov/current/title-49/part-192"
    },
    {
      "citation": "LAC 43:XIII §905",
      "referenceType": "louisiana-administrative-code",
      "url": "https://www.doa.la.gov/doa/osr/louisiana-administrative-code/"
    }
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  "sourceEdition": "December 2025",
  "artifactPath": "data/sources/louisiana/louisiana-lac-title-43-parts-ix-xi-xiii.docx",
  "artifactSha256": "568d6b8b3cc244c67a0c93c040442fa53a1bbdafcb688b253cfa707d84d64259",
  "publicationStatus": "Current state-certified Louisiana Administrative Code compilation; section-level effective dates are not inferred from compilation or monthly history citations.",
  "rights": "The Louisiana Administrative Code is the state-certified publication. Preserve Office of State Register attribution and review Louisiana website terms, agency marks, incorporated standards, and third-party material before redistribution.",
  "region": "LA"
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```