NB/T 47013.2-2015

NB/T 47013.2-2015 承压设备无损检测 第2部分：射线检测 (英文版)

Nondestructive testing of pressure equipments- Part 2: Radiographic testing

2015-04-02

2015-09-01

87

10.00元

是

1,600.00元

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Contents
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
5 The inspection process and its selection
6 Evaluation of RT results and quality grading for melting welding joints of pressure-bearing equipment
7 The RT result evaluation and quality grading for melting welding joints of pressure-bearing equipment’s pipes and pressure pipelines made of steel, nickel and copper
8 Inspection records and reports
Annex A (Informative) Radiography requirements for tube-fillet welds
Annex B (Normative) Industrial Radiographic Film System’s Characteristic Index
Annex C (Informative) Regular Inspection Methods of the Nigrometer (Optical Densimeter)
Annex D (Informative) Determination of Darkroom’s Safety Irradiation Time
Annex E (Informative) The diagram of typical penetrating methods
Annex F (Informative) Determination methods of penetrating times for circular butt welds
Annex G (Normative) Calculation methods of the focal size
Annex H (Normative) Calculation methods of Geometric Unsharpness (Ug)
Annex I (Informative) Light filter
Annex J (Normative) Placement Principle of the Positioning Marks
Annex K (Informative) The measuring methods for ionic concentration of thiosulfate on the film
Annex L (Normative) Reference block’s type and specification

NB/T 47013.2 ENGLISH VERSION