1 - AS 1710-1986 NON-DESTRUCTIVE TESTING-ULTRASONIC TESTING OF CARBON AND LOW ALLOY STEEL PLATE- TEST METHODS AND QUALITY CLASSIF
4 - PREFACE
5 - CONTENTS
6 - SECTION 1. SCOPE AND GENERAL
6 - 1.1 SCOPE.
6 - 1.2 APPLICATION.
6 - 1.3 REFERENCED DOCUMENTS.
6 - 1.4 DEFINITIONS.
6 - 1.4.1 Discontinuity indication
6 - 1.4.2 Significant discontinuity
6 - 1.4.3 Lamination
6 - 1.4.4 Inclusion cluster
7 - SECTION 2. EQUIPMENT
7 - 2.1 GENERAL.
7 - 2.2 PROBES.
7 - 2.2.1 General.
7 - 2.2.2 Protective diaphragms.
7 - 2.2.3 Probe size.
7 - 2.3 PRESENTATION.
7 - 2.4 GAIN CONTROL.
7 - 2.5 COUPLANT.
7 - 2.6 EQUIPMENT CHECKS.
8 - SECTION 3. PROCEDURE
8 - 3.1 SURFACE CONDITION.
8 - 3.2 SENSITIVITY.
8 - 3.3 SCANNING METHODS.
8 - 3.3.1 Direction of scanning.
8 - 3.3.2 Scans transverse to plate rolling direction.
8 - 3.3.3 Scans longitudinal to plate rolling direction.
8 - 3.3.4 Plate edges.
8 - 3. EVALUATION- SENSITIVITY LEVELS.
10 - SECTION 4. SIZING OF DISCONTINUITIES
10 - 4.1 LAMINATIONS.
10 - 4.2 INCLUSION CLUSTERS.
11 - SECTION 5. QUALITY GRADING
11 - 5.1 LIMITS OF DISCONTINUITIES.
11 - 5.2 DESIGNATION OF QUALITY GRADES.
12 - SECTION 6. RECORD OF RESULTS AND TEST REPORT
12 - 6.1 RECORD OF RESULTS.
12 - 6.2 TEST REPORT.
13 - APPENDIX A - INFORMATION TO BE SUPPLIED WITH THE ENQUIRY AND ORDER
13 - A1 GENERAL.
13 - A2 DIRECTION OF SCANNING.
13 - A3 REFEREE TESTING.
13 - A4 TESTING AUTHORITIES.
14 - APPENDIX B - SIZING METHODS
14 - B1 PROCEDURE FOR SIZING LAMINATIONS USING 6 dB DROP TECHNIQUE.
14 - B2 PROCEDURE FOR SIZING INCLUSION CLUSTER DISCONTINUITIES USING THE LAST SIGNIFICANT ECHO TECHNIQUE