 |
|||
|
|
|||
| ||||||||||
|
|  MIL-W-47091A (MI)
AWS A5.5
-
Low Alloy Steel Covered Arc
Welding Electrodes, Specification
for
AWS 5.10
-
Bare Aluminum and Aluminum
Alloy Welding Electrodes and
Rods, Specification for
AWS A5.19
-
Magnesium Alloy Welding Rods
and Bare Electrodes, Specification
for
(Application for copies should be addressed to the American Welding Society,
Inc. 550 N.W. LeJeune Road, P.O. Box 351040, Miami, FL 33135)
(Non-Government standards and other publications are normally available from
the organizations that prepare or distribute the documents. These documents also may
be available in or through libraries or other informational; services.)
2.3 Order of precedence. In the event of a conflict between the text of this
document and the references cited herein, the text of this document takes precedence.
Nothing in this document, however, supersedes applicable laws and regulations unless
a specific exemption has been obtained.
3. REQUIREMENTS
3.1 Base metal preparation.
3.1.1 Cutting. The base metal may be cut by any of the accepted commercial
practices such as shearing, torch cutting, or sawing in conformance with tolerance and
edge conditions specified on the design drawing.
3.1.2 Edge preparation. Beveling, grooving, or other edge preparation shall be
as specified on the design drawing in accordance with the symbols established in
Chapter 6 of AWS WHB-1.
3.1.3 Weld surfaces. The base metal in the area to be welded shall be
reasonably free from foreign materials such as dirt, grease, paint, and heavy scale in
accordance with high grade commercial practice for this class of work. Slug and loose
scale on torch-cut edges shall be removed by chipping, grinding, wire brushing, or
equivalent means.
3.1.4 Low alloy steel parts. Low alloy steel parts shall be preheated to 204 to
316 Celsius (C) immediately prior to welding.
3
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals