GB/T 19418-2003 (English Version) Arc-welded joints in steel-Guidance on quality levels for imperfections

Standard No.: GB/T 19418-2003
Language: Chinese, Available in English version
Release Date: 2003
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 19418-2003

Scope: This standard specifies the quality grades of steel arc welded joint defects. These classes are related to the manufacturing quality of the product and not to its suitability (see 3.1). This standard applies to: ——The following welding methods and their process categories specified in GB/T 5185: 11 Metal arc welding without gas shielding; 12 Submerged arc welding; 13 Gas shielded arc welding; 14 Non-melting electrode gas shielded arc 15 plasma arc welding; - manual, mechanized and automated welding methods; - all welding positions; - butt welds, fillet welds and branch joints; This standard does not take into account metallurgical factors such as: grain size, hardness.

GB/T 19418-2003 history

2003 GB/T 19418-2003 Arc-welded joints in steel-Guidance on quality levels for imperfections