OAR 740-105-0160
Preparation of Base Metals


(1)

Thermally shaped surfaces including repair cavities shall be ground lightly to remove residual material (approximately 1⁄32 inch) from the surface to be welded.

(2)

Surfaces to be welded shall be free from the following:

(a)

Fins, tears, cracks, torch gouges, excessive surface irregularities, etc.

(b)

Loose or thick scale, slag, rust, moisture, paint, grease, and oil or other foreign materials that may be detrimental to the weld.

Source: Rule 740-105-0160 — Preparation of Base Metals, https://secure.­sos.­state.­or.­us/oard/view.­action?ruleNumber=740-105-0160 (accessed May 26, 2025).

May 26, 2025

Rule 740-105-0160's source at or​.us