ANSI/AWS A5.21/A5.21M:2011

This specification prescribes the requirements for classification of bare electrodes and rods for surfacing. Solid surfacing electrodes and rods, are classified on the basis of the composition of the material as manufactured. Metal cored and flux cored composite (tubular) surfacing electrodes and rods, are classified on the basis of the chemical composition of the deposited weld metal. Tubular tungsten carbide bare rods are classified on the basis of the mesh range, quantity, and composition of the tungsten carbide granules. A guide is appended to the specification as a source of information concerning the characteristics and applications of the classified electrodes.

This product references:ANSI/AWS A3.0M/A3.0:2010 - Standard Welding Terms and Definitions - Including Terms for Adhesive Bonding, Brazing, Soldering, Thermal Cutting, and Thermal Spraying
ANSI/AWS A5.01M/A5.01:2008 - Procurement Guidelines for Consumables - Welding and Allied Processes - Flux and Gas Shielded Electrical Welding Processes (ISO 14344:2002 MOD)
ANSI/AWS A5.02/A5.02M:2007 - Specification for Filler Metal Standard Sizes, Packaging, and Physical Attributes, Includes Errata (2008)
AWS F3.2M/F3.2:2001 - Ventilation Guide for Weld Fume
ANSI/AWS Z49.1:2005 - Safety in Welding, Cutting and Allied Processes
ASTM E29-08 - Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
ASTM A36/A36M-08 - Standard Specification for Carbon Structural Steel
ASTM B214-07 - Standard Test Method for Sieve Analysis of Metal Powders
ASTM A285/A285M-03(2007) - Standard Specification for Pressure Vessel Plates, Carbon Steel, Low- and Intermediate-Tensile Strength
ISO 544:2003 - Welding consumables - Technical delivery conditions for welding filler materials - Type of product, dimensions, tolerances and markings
ISO 80000-1:2009 - Quantities and units - Part 1: General
This product referenced by:API Std 603 - Specification for Bare Electrodes and Rods for Surfacing
This product replaces:ANSI/AWS A5.21:2001 - Composite Surfacing Welding Rods and Electrodes