1 Scope
This section of NB/T 47018 specifies the type classification, technical requirements, test methods and inspection rules of stainless steel strip electrodes and fluxes for overlay welding of pressure equipment.
This section is applicable to submerged arc or electroslag anti-corrosive overlay welding of pressure equipment.
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 amendment) applies.
GB/T 223.1~223.77 Methods for Chemical Analysis of Iron, Steel and Alloy
GB/T 1954 Methods of Measurement for Ferrite Content in Austenitic Cr-Ni Stainless Steel Weld Metals
GB/T 2653 Bend Test Methods on Welded Joints
GB/T 4334 Corrosion of Metals and Alloys - Test Methods for Intergranular Corrosion of Stainless Steels
GB/T 17854 Stainless Steel Electrodes and Fluxes for Submerged Arc Welding
NB/T 47018.1 Technical Permission of Welding Materials for Pressure Equipment Section 1: General Rule
JB/T 4730.3 Nondestructive Testing of Pressure Equipment - Part 3: Ultrasonic Testing
JB/T 4730.5 Nondestructive Testing of Pressure Equipment - Part 5: Penetrant Testing
Foreword I
1 Scope
2 Normative References
3 Surfacing Metal Type
4 Technical Requirements
5 Test Methods
6 Inspection Rules
7 Packaging
8 Marking and labelling
