BS EN ISO 2560 , الکترودهای روپوش دار جوش قوسی

Welding consumables – Covered electrodes for manual metal arc welding of non-alloy and fine grain steels – Classification

دانلود استاندارد BS EN ISO 2560 :آخرین ویرایش (استاندارد الکترودهای مصرفی جوشکاری _طبقه بندی الکترودهای روپوش دار برای جوشکاری استیل غیر آلیاژی با روش جوش قوسی فلزی)

————فهرست محتوا———-

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Symbols and requirements
5.1 Symbol for the product/process
5.2 Symbols for strength and elongation of all-weld metal
5.3 Symbol for impact properties of all-weld metal
5.4 Symbol for the chemical composition of all-weld metal
5.5 Symbol for type of electrode covering
5.6 Symbol for condition of post-weld heat-treatment of all-weld metal
5.7 Symbol for electrode efficiency and type of current
5.8 Symbol for welding position
5.9 Symbol for diffusible hydrogen content of deposited metal
6 Mechanical tests
6.1 Preheating and interpass temperatures
6.2 Pass sequence
7 Chemical analysis
8 Fillet weld test
9 Rounding procedure
10 Retests
11 Technical delivery conditions
12 Examples of designation
Annex A (informative) Classification systems
Annex B (informative) Description of types of electrode covering — Classification by yield strength and 47 J impact energy
Annex C (informative) Description of types of electrode covering — Classification by tensile strength and 27 J impact energy
Annex D (informative) Notes on diffusible hydrogen and the avoidance of cold cracking
Bibliography