Standard No.:	GB/T 19943-2005
English Name:	Non-destructive test--Radiographic examination of metallic materials by X-and gamma-rays--Basic rules(ISO 5579:1998,IDT)
Chinese Name:	无损检测 金属材料X和伽玛射线 照相检测 基本规则
Chinese Classification:	J04    Basic standards and general methods
Professional Classification:	GB    National Standard
Source Content Issued by:	AQSIQ SAC
Issued on:	2006-9-19
Implemented on:	2006-4-1
Status:	superseded
Superseded by:	GB/T 19943-2026 Non-destructive testing—Radiographic testing of metallic materials using film and X-or gamma rays—Basic rules
Superseded on:	2027-2-1
Superseding:	JB/T 9217-1999 Methods for radiographic testing
Target Language:	English
File Format:	PDF
Word Count:	11200 words
Translation Price(USD):	448.0
Delivery:	via email in 1~3 business day

本标准规定了使用胶片技术、对金属材料和制品实施以探伤为目的工业X和伽玛射线照相的基本规则。

Foreword II Introduction III 1 Scope 2 Normative References 3 Definitions 4 Classification of Radiographic Techniques 5 General 5.1 Protection against ionizing radiation 5.2 Test arrangement 5.3 Surface preparation and stage of manufacture 5.4 Identification of radiographs 5.5 Marking 5.6 Overlap of films 5.7 Image quality indicator (IQI) 6 Recommended Techniques for Making Radiographs 6.1 Choice of X-ray tube voltage and radiation source 6.2 Film systems and screens 6.3 Alignment of beam 6.4 Reduction of scattered radiation 6.5 Source-to-object distance 6.6 Maximum area for a single exposure 6.7 Density of radiographs 6.8 Processing 6.9 Film viewing conditions 7 Test Report Bibliography