Standard No.:	GB/T 19799.1-2015
English Name:	Non-destructive testing―Ultrasonic testing―Specification for calibration block No.1
Chinese Name:	无损检测 超声检测 1号校准试块
Chinese Classification:	J04    Basic standards and general methods
Professional Classification:	GB    National Standard
Issued by:	AQSIQ; SAC
Issued on:	2015-10-09
Implemented on:	2016-6-1
Status:	valid
Superseding:	GB/T 19799.1-2005 Non-destructive testing—Ultrasonic testing—Calibration block No.1
Language:	English
File Format:	PDF
Word Count:	5500 words
Price(USD):	80.0
Delivery:	via email in 1 business day

1 Scope This part of GB/T 19799 specifies requirements for the dimensions, material and manufacture of a steel block for calibrating ultrasonic test equipment used in manual testing. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 5577 Non-destructive testing - Ultrasonic inspection -Vocabulary EN 1330-4 Non-destructive testing - Terminology - Part 4: Terms used in ultrasonic testing EN 10025-2 Hot rolled products of structural steels - Part 2: Technical delivery conditions for non-alloy structural steels 3 Terms and Definitions For the purposes of this document, the terms and definitions given in ISO 5577 and EN 1330-4 apply. 4 Manufacture 4.1 Steel Blocks shall be manufactured from steel grade S355J0, specified in EN 10025-2, or from steel of an equivalent grade.

Foreword 1 Scope 2 Normative References 3 Terms and Definitions 4 Manufacture 5 Velocities 6 Marking 7 Declaration of Conformity 8 Possible Modifications to Block No.1 9 Existing Blocks Annex A (Normative) Determination of Velocities