AWS C2.25/C2.25M:2012

An American National Standard

Specification for Thermal Spray Feedstock—Wire and Rods

AWS C2.25/C2.25M:2012

An American National Standard

Approved by the American National Standards Institute

September 5, 2012

Specification for Thermal Spray Feedstock—Wire and Rods

2nd Edition

Supersedes AWS C2.25/C2.25M:2002

Prepared by the American Welding Society (AWS) C2 Committee on Thermal Spray

Under the Direction of the AWS Technical Activities Committee

Approved by the AWS Board of Directors

Abstract

This specification provides the as-manufactured chemical composition classification requirements for solid and compos- ite wires and ceramic rods for thermal spraying. Requirements for standard sizes, marking, manufacturing, and packag- ing are included.

International Standard Book Number: 978-0-87171-826-6

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© 2012 by American Welding Society

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All standards (codes, specifications, recommended practices, methods, classifications, and guides) of the American Welding Society (AWS) are voluntary consensus standards that have been developed in accordance with the rules of the American National Standards Institute (ANSI). When AWS American National Standards are either incorporated in, or made part of, documents that are included in federal or state laws and regulations, or the regulations of other governmen- tal bodies, their provisions carry the full legal authority of the statute. In such cases, any changes in those AWS standards must be approved by the governmental body having statutory jurisdiction before they can become a part of those laws and regulations. In all cases, these standards carry the full legal authority of the contract or other document that invokes the AWS standards. Where this contractual relationship exists, changes in or deviations from requirements of an AWS stan- dard must be by agreement between the contracting parties.

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Official interpretations of any of the technical requirements of this standard may only be obtained by sending a request, in writing, to the appropriate technical committee. Such requests should be addressed to the American Welding Society, Attention: Managing Director, Technical Services Division, 8669 Doral Blvd., Suite 130, Doral, FL 33166 (see Annex A). With regard to technical inquiries made concerning AWS standards, oral opinions on AWS standards may be ren- dered. These opinions are offered solely as a convenience to users of this standard, and they do not constitute professional advice. Such opinions represent only the personal opinions of the particular individuals giving them. These individuals do not speak on behalf of AWS, nor do these oral opinions constitute official or unofficial opinions or interpretations of AWS. In addition, oral opinions are informal and should not be used as a substitute for an official interpretation.

This standard is subject to revision at any time by the AWS C2 Committee on Thermal Spray. It must be reviewed every five years, and if not revised, it must be either reaffirmed or withdrawn. Comments (recommendations, additions, or dele- tions) and any pertinent data that may be of use in improving this standard are required and should be addressed to AWS Headquarters. Such comments will receive careful consideration by the AWS C2 Committee on Thermal Spray and the author of the comments will be informed of the Committee’s response to the comments. Guests are invited to attend all meetings of the AWS C2 Committee on Thermal Spray to express their comments verbally. Procedures for appeal of an adverse decision concerning all such comments are provided in the Rules of Operation of the Technical Activities Committee. A copy of these Rules can be obtained from the American Welding Society, 8669 Doral Blvd., Suite 130, Doral, FL 33166.

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Personnel

AWS C2 Committee on Thermal Spray

D.A. Lee, Chair Kennametal Stellite, Incorporated

A.P. Yanski, Vice Chair Praxair TAFA

E.H. Abrams, Secretary American Welding Society

D. Beneteau Centerline (Windsor) Ltd

M. Froning The Boeing Company

L.F. Grimenstein Nation Coating Systems, Incorporated

J.O. Hayden Hayden Corp

R. McGrann Dept. of Mechanical Engineering

W.M. Medford INSPEC, Incorporated

B. Mosier Polymet Corp

K. Sampath Consultant

C. Sauer NAVAIR In-Service Support Center

K.L. Sender Sulzer Metco

M.F. Smith Sandia National Laboratories

S. Szapra Naval Surface Warfare Center

R.H. Unger Polymet Corp

R.J. Wong Naval Surface Warfare Center

Advisors to the AWS C2 Committee on Thermal Spray

D.A Berardinelli Platt Brothers & Company

C.C. Berndt Swinburne University of Technology

R.S. Brunhouse A&A Co, Incorparated

J.T. Butler Joseph T Butler, Incorporated

B.T. Costello NAVSEA

M.R. Dorfman Sulzer Metco (US), Incorporated

A.J. Grubowski NAVSEA

1. Guillen INEEL

   1. Roy Quality Calibration & Consulting

      E.F. Rybicki The University of Tulsa

      M. Weinstein Wall Colmonoy Corporation

      T.H. Via Via Technologies

      
      

      AWS C2J Subcommittee on Thermal Spray Feedstock

   2. Mosier, Chair Polymet Corporation

E.H. Abrams, Secretary American Welding Society

W.J. Arata Jr. Carpenter Powder Products

J. Dezelle Kennametal Energy Americas

T. Glynn Sulzer Metco

C.A McAfee Hess Corporation

A.P. Yanski Praxair TAFA

Advisors to the AWS C2J Subcommittee on Thermal Spray Feedstock

J.O Hayden Hayden Corporation

Frank Hermanek Praxiar Specialty Products

Ed Rybicki The University of Tulsa

R.H. Unger Polymet Corporation

L.T. Vernam AlcoTec Wire Corporation

M. Weinstein Wall Colmonoy Corporation

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Foreword

This foreword is not part of AWS C2.25/C2.25M:2012, Specification for Thermal Spray Feedstock—Wire and Rods, but is included for informational purposes only.

This is the first revision of the specification originally issued in 2002. That document was developed by request of the

1. Army Material Technology Center to supersede MIL-W-6712C, Metalizing Wire, with a U.S. National consensus standard. This revision describes a number of new feedstock materials.

   Comments and suggestions for the improvement of this standard are welcome. The should be sent to the Secretary, AWS C2 Committee on Thermal Spray, American Welding Society, 8669 Doral Blvd., Suite 130, Doral, FL 33166.

   
   

   
   

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   Table of Contents

   
   

   Page No.

   Personnel v

   Foreword vii

   List of Tables x

   List of Figures x

   1. General Requirements 1

      1. Scope 1

      2. Standard Units of Measurement 1

      3. Safety Precautions 1

   2. Normative References 1

   3. Terms and Definitions 2

   4. Basis of Classification 2

   5. Certification 2

   6. Test Methods and Retest 8

      1. Chemical Analysis 8

      2. Retest 9

   7. Method of Manufacture 9

   8. Standard Sizes 9

   9. Finish and Uniformity 9

   10. Standard Packaging Forms 10

       1. Coils with Support 11

       2. Spools 11

       3. Ceramics Rods 11

   11. Winding Requirements 11

       1. Winding 11

       2. Cast and Helix 11

   12. Solid and Composite Wire and Ceramic Rod Identification 12

   13. Packaging 13

   14. Marking of Packages 14

       1. Product Information 14

       2. Precautionary Information 14

Annex A (Informative)—Guidelines for the Preparation of Technical Inquiries 15

List of Tables

Table Page No.

1. Chemical Composition Requirements for Solid Ferrous Thermal Spray Wires 3

2. Chemical Composition Requirements for Solid Nonferrous Thermal Spray Wires. 4

3. Chemical Composition for Cored Composite Thermal Spray Wires 6

4. Chemical Composition Requirements for Thermal Spray Ceramic Rods 7

5. Standard Sizes for Bare Electrodes and Rods Using Solid Drawn or Composite (Tubular) Wire 10

6. Standard Sizes for Thermal Spray Ceramic Rods 10

7. Standard Packaging Dimensions and Weight for Thermal Spray Wires 11

List of Figures

Figure Page No.

1. Thermal Spray Feedstock Classification System Format 8

2. Dimensions of Standard 12- and 14-in [300- and 355-mm] Spools 12

3. Dimensions of Standard 22-, 24-, and 30-in [560-, 610-, and 760-mm] Spools 13

Specification for Thermal Spray Feedstock—Wire and Rods

1. General Requirements

   1. Scope

      This specification prescribes requirements for the classification of thermal spray feedstock based on the as manufactured chemical composition. Thermal Spray Feedstock includes solid and composite wires and ceramic rods for thermal spraying. Requirements for standard sizes, marking, manufacturing, and packaging are included.

   2. Standard Units of Measurement

      This standard makes use of both U.S. Customary Units and the International System of Units (SI). The latter are shown within brackets ([ ]) or in appropriate columns in tables and figures. The measurements may not be exact equivalents: therefore, each system must be used independently.

   3. Safety Precautions

      Safety issues and concerns are addressed in this standard, although health issues and concerns are beyond the scope of this standard. Safety and health information is available from the following sources:

      American Welding Society:

      1. ANSI Z49.1, Safety in Welding, Cutting, and Allied Processes

      2. AWS Safety and Health Fact Sheets

      3. Other safety and health information on the AWS website Material or Equipment Manufacturers:

         1. Material Safety Data Sheets supplied by materials manufacturers

         2. Operating Manuals supplied by equipment manufacturers Applicable Regulatory Agencies

         Work performed in accordance with this standard may involve the use of materials that have been deemed hazardous, and

         may involve operations or equipment that may cause injury or death. This standard does not purport to address all safety and health risks that may be encountered. The user of this standard should establish an appropriate safety program to address such risks as well as to meet applicable regulatory requirements. ANSI Z49.1 should be considered when developing the safety program.

         
         

2. Normative References

The following ASTM1 standards are referenced in the mandatory sections of this document:

(1) ASTM E29, Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

1 ASTM standards are published by the American Society of Testing and Materials, 100 Barr Harbor Drive, West Conshohocken, PA 19428–2959.