Technical Permission of Welding Materials for Pressure Equipment" (NB/T 47018-2011) is divided into 7 sections:
- Section 1: General Rule;
- Section 2: Electrodes for Steel;
- Section 3: Steel Electrodes and Rods for Gas Shielded Arc Welding;
- Section 4: Electrodes and Fluxes for Submerged Arc Welding;
- Section 5: Stainless Steel Solder Strips and Fluxes for Overlay Welding;
- Section 6: Bare Aluminum and Aluminum-alloy Welding Electrodes and Rods;
- Section 7: Titanium and Titanium-alloy Welding Electrodes and Rods;
1 Scope
This section of NB/T 47018 specifies basic requirements, lot classification, inspection scope, supply and reinspection for welding materials.
This section is applicable to electrodes, solder strips, welding wires, filler wires and fluxes for pressure equipment.
2 Normative References
The following documents are indispensable for the application of this standard. For dated references, only the dated edition of the document is applicable to this standard. For undated references, the latest edition (including all amendments) of the document is applicable to this standard.
GB/T 3375 Welding Terminology
NB/T 47018.2 Technical Permission of Welding Materials for Pressure Equipment Section 2: Electrodes for Steel
NB/T 47018.3 Technical Permission of Welding Materials for Pressure Equipment Section 3: Steel Electrodes and Rods for Gas Shielded Arc Welding
NB/T 47018.4 Technical Permission of Welding Materials for Pressure Equipment Section 4: Electrodes and Fluxes for Submerged Arc Welding
NB/T 47018.5 Technical Permission of Welding Materials for Pressure Equipment Section 5: Stainless Steel Strip Electrodes and Fluxes for Overlay Welding
NB/T 47018.6 Technical Permission of Welding Materials for Pressure Equipment Section 6: Bare Aluminum and Aluminum-alloy Welding Electrodes and Rods
NB/T 47018.7 Technical Permission of Welding Materials for Pressure Equipment Section 7: Titanium and Titanium-alloy Welding Electrodes and Rods
JB/T 3223 Rules of Quality Management of Welding Materials
3 Terms and Definitions
For the purpose of this section, the following terms and definitions as well as those in GB/T 3375 apply.
3.1
