Current Category: CN-NB - Energy
This document is applicable to forged nickel and nickel alloy parts used in pressure vessels with a design pressure of less than 100 MPa.
This document is applicable to the mechanical properties and bending performance tests of welding samples (including product welding plates, simulation rings, and verification rings) of pressure-bearing equipment products made of steel, aluminum, titanium, copper, nickel, and zirconium.
This document is applicable to gas welding, electrode arc welding, submerged arc welding, tungsten inert gas welding, gas metal arc welding, plasma arc welding, electron beam welding, gas-electric upright welding, stud welding, and pressure vessels with electrode stack welding.
This document is applicable to the welding process evaluation of welding methods such as gas welding, arc welding with welding rods, submerged arc welding, tungsten inert gas welding, gas shielded welding with consumable electrodes (including flux-cored wire arc welding), electroslag welding, plasma arc welding, friction welding, gas-electric vertical welding, stud arc welding, and electron beam welding.
This section applies to the ultrasonic testing of raw materials or components and welded joints for pressure-bearing equipment made of metal materials, and also applies to the ultrasonic testing of in-service pressure-bearing equipment made of metal materials.
This document is applicable to the assessment of the inherent reliability of power station boilers.
This standard applies to the regular inspection of coking towers in use, the main materials of which are carbon steel and chromium-molybdenum steel, in delayed coking units.
This document specifies the basic technical requirements and test methods for the control system of parallel wind power converters. This document is applicable to the control system of parallel wind power converters for wind power generation units (hereinafter referred to as the "control system")
This standard specifies the technical requirements for station-use gas storage cylinder containers and station-use gas storage cylinder container groups, including materials, design, manufacturing, inspection and acceptance, marking and identification, coating, storage, packaging, transportation, and factory documents. It is applicable to spin-formed steel seamless pressure vessels.
This document applies to the operations related to the construction of high-position directional long drilling holes for gas extraction on the coal mining face.
This document is applicable to the design, manufacture, and use of devices for determining the desorbable gas content of coal samples in laboratories using the constant-pressure natural desorption method.
This document is applicable to the construction work of increasing the permeability of coal seams by hydraulically driving mechanical reaming in coal mines. Other operations of increasing the permeability of coal seams by hydraulic mechanical reaming shall be implemented in accordance with this document.