GB/T 16508.4-2013 Translated English of Chinese Standard. (GBT 16508.4-2013, GB/T16508.4-2013, GBT16508.4-2013): Shell Boilers -- Part 4: Fabrication, Inspection and Acceptance
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This Part of GB/T 16508 specifies the requirements for fabrication, inspection and test, delivery information and nameplate of stationary shell boilers. This Part is applicable to the shell boilers defined within the scope of GB/T 16508.1.
Terms and Definitions
Inspection and Test
Delivery Information and Nameplate
Appendix A Normative Welded Tube Orifice of Boiler
accordance ADD requirements adopted alloy steel base material boiler fabrication boiler furnace butt weld centerlines circumferential weld coated cold forming deformation rate design document destructive testing diameter of greater dimension deviation equal to 3.8MPa exceed excircle expansion connection fabrication organization fillet weld flange flue following requirements foot ring GB/T header components heat treatment thickness heat-affected zone heating surface tube Height deviation hydrostatic test JB/T layer Longitudinal and circumferential longitudinal weld meet the following meet the requirements nameplate nominal inside diameter non-destructive testing method packaging painting plate and foot Post-heating post-weld heat treatment product welding specimen radiographic testing rated operating pressure repair welding requirements of NB/T shell and header Shell Boilers shell or header specified in Table splicing joint steel plates thermal cutting thickness is greater tube fittings tube joint tube plate Two-way stretch ultrasonic testing weld thickness welded joints welded tube orifice welder welding procedure qualification welding procedure specification weldment