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BS 7570:2000

BS 7570:2000

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Code of practice for validation of arc welding equipment

Available format(s)

Hardcopy , PDF

Superseded date

01-31-2009

Language(s)

English

Published date

05-15-2000

Publisher

British Standards Institution

Committees responsible
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Validation accuracies
5 Consistency
6 Frequency of validation and calibration
7 Validators of welding equipment
8 Validation
8.1 General
8.2 MMA
8.3 TIG
8.4 MIG/MAG and FCW
8.5 Auxilliary components
9 Validation techniques
9.1 General
9.2 Safety precautions
9.3 Instrumentation
9.4 Power source loads
9.5 Method
10 Validation labels and certificates
10.1 Validation labels
10.2 Validation certificate
Annex A (informative) Proposed accuracies for precision
        grade power sources
Annex B (informative) Wire feed equipment
Annex C (informative) Slope, pulse and synergic controls
Annex D (informative) Precautions to be taken with TIG
        welding equipment
Annex E (informative) The validation of ancillary
        components in a welding system
Annex F (informative) Voltage drops in the welding
        circuit
Figure F.1 - Example of a welding circuit
Table 1 - Validation accuracies for standard grade power
          sources
Table A.1-Validation accuracies for precision grade power
          sources
Table B.1-Validation accuracies for wire feed equipment
Table F.1-Voltage drop in copper and aluminium welding
          cables at normal and elevated temperatures

Recommends validation procedures for welding equipment constructed and used to the accuracy defined in BS EN 60974-1 or other standards equivalent to it. The equipment is designated as standard grade. Equipment covered includes welding power sources, wire feeders and welding instrumentation. Also gives a guide on the validation and calibration of ancillary equipment capable of affecting the weld quality, for example, thermocouples, flow gauges, manipulators and robots.

Committee
WEE/6
DevelopmentNote
Supersedes 99/708518 DC and BS 7570(1992) Reviewed and confirmed by BSI, November 2005. (10/2005)
DocumentType
Standard
Pages
18
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

DEFSTAN 03-34/5(2009) : 2009 ARC WELDING OF FERROUS ARMOUR
DEFSTAN 03-34/2(2000) : 2000 ARC WELDING OF FERROUS ARMOUR
DEFSTAN 03-34/3(2003) : 2003 ARC WELDING OF FERROUS ARMOUR
DEFSTAN 03-34/4(2008) : 2008 ARC WELDING OF FERROUS ARMOUR
DEFSTAN 02-772/1(2007) : 2007 WELDING AND FABRICATION OF PIPEWORK, MACHINERY AND ENGINEERING COMPONENTS FOR HM SUBMARINES AND SURFACE SHIPS NOT IN CLASS

BS EN 729-1:1995 Quality requirements for welding. Fusion welding of metallic materials Guidelines for selection and use
BS EN 60051-1:2017 Direct acting indicating analogue electrical measuring instruments and their accessories Definitions and general requirements common to all parts
BS 89-2:1990 Direct acting indicating analogue electrical measuring instruments and their accessories Specification for special requirements for ammeters and voltmeters
BS EN 729-2:1995 Quality requirements for welding. Fusion welding of metallic materials Comprehensive quality requirements
BS EN 60974-1:2012 Arc welding equipment Welding power sources
BS 638-10:1990 Arc welding power sources, equipment and accessories Specification for safety requirements for arc welding equipment: welding power sources
BS 90:1975 Specification for direct-acting electrical recording instruments and their accessories
BS EN 729-4:1995 Quality requirements for welding. Fusion welding of metallic materials Elementary quality requirements
BS 499-1:1991 Welding terms and symbols Glossary for welding, brazing and thermal cutting
BS 638-7:1984 Arc welding power sources, equipment and accessories Specification for safety requirements for installation and use
BS EN 729-3:1995 Quality requirements for welding. Fusion welding of metallic materials Standard quality requirements

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Hardcopy - English
PDF - English
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