AWS C2.19/C2.19M, 1st Edition, 2013 - Specification for the Application of Thermal Spray Coatings to Machine Elements for OEM and Repair
This specification covers thermal spray processes for original equipment manufacturers (OEMs) and the repair of machinery components. The scope includes (1) recommended applications, (2) management and engineering requirements, (3) equipment and facility requirements, (4) feedstock materials, and (5) application processes for thermal spray coatings.
The thermal spray processes covered by this standard are combustion and high velocity oxygen fuel powder, electric arc, and plasma processes that use either powder or wire as feedstock.
Development of this standard was initiated at the request of the U.S. Navy to replace MIL-STD-1687A (SH), Thermal Spray Processes for Naval Ship Machinery Applications. It contains Annex B that the Navy may still use as their guide for surface ship applications. Annex B also lists Navy applications that are permitted and those that are prohibited, including the certification, approval requirements and protocols for handling U.S. Navy components.
Others may use this standard and annexes as a guide to establishing contract document requirements between equipment owners (purchaser) and thermal spray coating contractors where they may choose to invoke all or only a portion of this specification's requirements as fits the needs of their work.
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AWS C2.18-1993 (R2001): Guide for the Protection of Steel with Thermal Sprayed Coatings of Aluminum and Zinc and their Alloys and Composites
| Size: 7.36 MB| Format:PDF| Quality:Scanner| Publisher: American Welding Society, Inc. (AWS) | Year: 1993 (R2001)| pages: 43
AWS C2.18, 1993 Edition, 1993 - Guide for the Protection of Steel with Thermal Sprayed Coatings of Aluminum and Zinc and their Alloys and Composites
This guide covers the application of thermal spray coatings (TSC) for the protection of steel with aluminum, zinc and their alloys, mixtures, and composites. This scope of this guide includes the major elements of an industrial process instruction covering job description, safety, consumable materials, surface-preparation and thermal spray equipment, quality control (QC) equipment, TSC operator training and qualification, a step-by-step surface preparation and thermal spraying application method with quality control checkpoints, maintenance and repair of thermal spray coatings, and a job control record. Nominal TSC feedstock spray rates and coverage information for a common planning base are presented for purchasers and contractors. A TSC selection guide for various service environments and the operator qualification requirements are presented in appendices. This guide is modelled on the thermal spray method of MIL-STD- 2138A(SH),Metal Sprayed Coating Systems for Corrosion Protection Aboard Naval Ships.1
1. Military specifications are available from Standardization Order Desk, 700 Robbins Avenue, Building #4, Section D, Philadelphia, PA 19111-5094.
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This guide contains recommendations for establishing, conducting, and maintaining a thermal spray operator qualification program. Such programs generally include training, knowledge and skill testing, and documentation requirements. The skill tests described in this guide relate to flame spraying, arc spraying, atmospheric plasma spraying, and high velocity oxygen fuel (HVOF) spraying.
While this guide does not preclude the possibility to establish a qualification program for operators of automatic thermal spray equipment, the examples in this guide assume the objective is to qualify operators who develop process parameters, apply the thermal spray process, and evaluate the effectiveness of the coating process.
This document is not to be used as a stand-alone document for operator qualification or certification. An operator would not be “qualified in accordance with AWS C2.16/C2.16M” as this document does not address relevant acceptance standards. However, a qualification program can state that it follows the guidelines of AWS C2.16/C2.16M.
Although this guide is not written with mandatory requirements, mandatory language, such as the use of “shall,” will be found in those portions of the document where failure to follow the instructions or procedures could produce inferior, misleading, or unsafe results.
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AWS B4.0-2016: Standard Methods for Mechanical Testing of Welds
| Size: 2.45 MB| Format:PDF| Quality:Scanner| Publisher: American Welding Society, Inc. (AWS) | Year: 8th Edition, 2016| pages: 184
AWS B4.0, 8th Edition, 2016 - Standard Methods for Mechanical Testing of Welds
This specification establishes standard methods for mechanical testing of welds. The significance of each test, test apparatus, preparation of the test specimens, and the test procedure are described. Example test results sheets are provided.
It is beyond the scope of this document to define the required mechanical properties or acceptance criteria for the weld metal.
This standard makes sole use of U.S. Customary Units. Approximate mathematical equivalents in the International System of Units (SI) are provided for comparison in parentheses or in appropriate columns in tables and figures.
Safety and health issues and concerns are beyond the scope of this standard and therefore are not addressed herein.
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) 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.
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AWS APG-DISC- POCKET GUIDE FOR VISUAL EXAMINATION OF WELDS – DISCONTINUITY CAUSES AND REMEDIES
| Size: 4.3 MB| Format:PDF| Quality:Scanner| Publisher: American Welding Society, Inc. (AWS) | Year: 2018| pages: 45
Visual examination (abbreviation: VT) is the primary method for identifying welding discontinuities. It is fundamental to any effective quality control program. It is also fundamental to assuring weld repair operations are effective and comply with the approved contract documents. For convenience and brevity, all rework and repair activities in this pocket guide are called repairs. As a minimum, various steps in any repair are always examined and evaluated. Welders and inspectors, alike, will examine the repair efforts and compare them with project requirements. Even "close enough" is an evaluation. It has been proven time and time again that integrating quality control actions into fabrication and installation operations reduces labor efforts and repair costs. Early detection of welding discontinuities and other quality failures saves money and time.
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| Format:PDF| Publisher: American Welding Society, Inc. (AWS) | Year: 4th Edition, 2015| pages: 289 | ISBN: 0871718553
This invaluable training reference helps inspectors, engineers, and welders evaluate the difference between discontinuities and rejectable defects. 254 pages 18 chapters, index, 108 figures, 16 tables, 6 1/2" x 9", fourth edition (2015)
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AWS A9.2, 1992 Edition, 1992 - Standard Guide for Recording Arc Weld Material Property and Nondestructive Examination Data in Computerized Databases
Scope, Purpose and Application
Scope. This document describes the types of mechanical property and nondestructive examination data that should be entered into an arc weld database.
Purpose. This document facilitates search strategies and reliable comparisons in computerized weld databases. The preparation of a Welding Procedure Specification (WPS) is facilitated by having Procedure Qualification Record (PQR) data in convenient formats.
Application. This document is limited to arc welding as defined in ANS/AWS A3.0, Standard Welding Terms and Definitions.
Abstract
This standard guide provides a format for the fields and types of mechanical property and nondestructive examination data that should be entered into a weld property database.
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AWS A9.1, 1992 Edition, 1992 - Standard Guide for Describing Arc Welds in Computerized Material Property and Nondestructive Examination Databases
This document describes the data fields which are considered necessary to uniquely define an arc weld. It is a framework that can be used for recording data that is included in a Procedure Qualification Record (PQR).
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Posted by: poolmand - 08-23-2023, 07:44 AM - Forum: AWS
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AWS A9.5-2013: Guide for Verification and Validation in Computation Weld Mechanics
| Size: 8.1 MB| Format:PDF| Quality:Scanner| Publisher: American Welding Society, Inc. (AWS) | Year: 1st Edition, 2013| pages: 42
AWS A9.5, 1st Edition, 2013 - Guide for Verification and Validation in Computation Weld Mechanics
This guide introduces computational weld mechanics methodology through an overview of the current technology. It presents current practices for heat transfer, microstructure, residual stress, and distortion calculations. In addition, a framework for developing verification and validation (V&V) procedures for these models is presented through an example related to the prediction of thermo-mechanical conditions. This document establishes the foundation for future V&V operations to allow for other emerging computational weld mechanics tools.
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Posted by: poolmand - 08-23-2023, 07:30 AM - Forum: AWS
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AWS A5.36/A5.36M-2012 (NOT ACTIVE STANDARD): Specification for Carbon and Low-Alloy Steel Flux Cored Electrodes for Flux Cored Arc Welding and Metal Cored Electrodes for Gas Metal Arc Welding
AWS A5.36/A5.36M, 1st Edition, 2012 - Specification for Carbon and Low-Alloy Steel Flux Cored Electrodes for Flux Cored Arc Welding and Metal Cored Electrodes for Gas Metal Arc Welding
This specification prescribes requirements for the classification of carbon and low-alloy steel flux cored electrodes for flux cored arc welding (FCAW), either with or without shielding gas, and carbon and low-alloy steel metal cored electrodes for gas metal arc welding (GMAW). This new specification replaces both AWS A5.20/A5.20M, Specification for Carbon Steel Electrodes for Flux Cored Arc Welding, and AWS A5.29/A5.29M, Specification for Low-Alloy Steel Electrodes for Flux Cored Arc Welding. It also includes provisions for the classification of carbon and low-alloy steel metal cored electrodes which previously had been classified according to AWS A5.18/A5.18M, Specification for Carbon Steel Electrodes and Rods for Gas Shielded Arc Welding, or AWS A5.28/A5.28M, Specification for Low-Alloy Steel Electrodes and Rods for Gas Shielded Arc Welding, as applicable. Iron is the only element of the undiluted weld metal deposited by the electrodes classified under this specification whose content exceeds 10.5%.
Safety issues and concerns are addressed in this standard, although health issues and concerns are beyond the scope of this standard. Some safety and health information can be found in nonmandatory Annex A, Clauses A5 and A10. Safety and health information is available from other sources, including, but not limited to, ANSI Z49.11 and applicable federal and state regulations.
This specification makes use of both U.S. Customary Units and the International System of Units (SI). The measurements are not exact equivalents; therefore, each system must be used independently of the other without combining in any way when referring to weld metal properties. The specification with the designation A5.36 uses U.S. Customary Units. The specification A5.36M uses the International System of Units (SI). The latter are shown within brackets ([ ]) or in appropriate columns in tables and figures. Standard dimensions based on either system may be used for the sizing of electrodes or packaging or both under the A5.36 and A5.36M specifications.
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