AWS A5.20 : 1995

1 Scope
Part A General requirements
2 Classification
3 Acceptance
4 Certification
5 Units of measure and rounding-off procedure
Part B Tests, procedures and requirements
6 Summary of tests
7 Retest
8 Weld test assemblies
9 Chemical analysis
10 Radiographic test
11 Tension test
12 Bend test
13 Impact test
14 Fillet weld test
15 Diffusible hydrogen test
Part C Manufacture, identification and packaging
16 Method of manufacture
17 Standard sizes
18 Finish and uniformity
19 Standard package forms
20 Winding requirements
21 Electrode identification
22 Packaging
23 Marking of packages
Annex Guide to specification for carbon steel electrodes
       for flux cored arc welding
A1 Introduction
A2 Classification system
A3 Acceptance
A4 Certification
A5 Ventilation during welding
A6 Welding considerations
A7 Description and intended use of flux cored
       electrodes
A8 Special tests
A9 Safety considerations
Tables
1 As-welded mechanical property requirements
2 Position of welding, whielding, polarity, and
       application requirements
3 Required tests
4 Base metal for test assemblies
5 Requirements for pass and layer control for
       multiple-pass electrode classification
6 Chemical composition requirements for weld metal
7 Dimensional requirements for fillet weld
       usability test specimens
8 Optional average diffusible hydrogen limits
9 Standard sizes and tolerances of electrodes
10 Packaging requirements
Figures
1 Pad for chemical analysis of undiluted weld metal
2A Test assembly for mechanical properties and
       soundness of weld metal from multiple-pass
       electrodes
2B Test assembly for transverse tension and
       longitudinal guided bend tests for welds made
       with single-pass electrodes
3 Fillet weld test assembly
4 Radiographic standards for test assembly in
       figure 2A
5 All-weld-metal tension test specimen
6 Transverse tension test specimen
7 Longitudinal guided bend specimen for welds made
       with single-pass electrodes
8 Details of Charpy V-notch impact test specimen
9 Dimensions of fillet welds
10 Alternate methods for facilitating fillet weld
       fracture
11 Dimensions of standard 4 in. (100 mm) spool
12 Dimensions of standard 8, 12 and 14 in. (200,
       300, and 350 mm) spools
13 Dimensions of 22, 24 and 30 in (560, 610, and
       760 mm) spools
A1 Classification system for carbon steel flux cored
       electrodes
AWS filler metal specifications and related documents

79 VERSION CONTAINED IN ASME PV CODE 2C AS SFA-5.20 Gives requirements for classification of carbon steel electrodes used for flux cored arc welding, including chemical composition and mechanical properties of weld metal and certain usability characteristics. Also included are requirements for standard sizes, marking, manufacturing and packaging and optional limits on diffusible hydrogen.