GB/T 16508.2-2022 Translated English of Chinese Standard (GB/T 16508.2-2022, GBT16508.2-2022): Shell boilers - Part 2: Materials
https://www.chinesestandard.net, 3 apr 2023 - 35 pagine
This document specifies the basic requirements, application range (temperature and pressure) and allowable stress of materials such as pressure elements and load-bearing members of shell boilers, as well as selection requirements for welding materials. This document is applicable to the selection and use of materials for pressure elements, load-bearing members, as well as welding materials of shell boilers defined in GB/T 16508.1.
acceptance according Add the requirements Allowable stress alloy steel Annex application for steel average carbon steel Change commonly used steel comply Conditioning construction corresponding designation Material standard determine directly document Edition elastic modulus equipment Ferrite following temperatures greater Heating surface tube hexagon High strength Include installation iron castings JB/T less listed in Table load-bearing members low alloy low alloy steel lower manufacturer Material designation Material material quality certificate Material standard Heat materials specified meet the requirements metal arc welding Metallographic inspection method NB/T Normalizing Normalizing Normalizing operation performance pipe fittings pressure not greater provisions in Table Regulation relevant resistance rolling Room temperature Material round steel safety Scope of application selection shell boilers standard Heat treatment steel forgings steel pipes steel plates strength MPa stress for commonly surface tube Unlimited Technology Tempering Normalizing tensile test thermal conductivity thickness Unlimited Unlimited Unlimited Wall temperature welding materials