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.
according to GB/T Add the requirements application for steel bainite boiler pressure elements boiler shell drum carbon steel cast iron Chromium commonly used steel comply Covered electrodes designation Material standard document Edition elastic modulus Ferrite following temperatures greater than 30 Heating surface tube Hot rolling JB/T Jiangsu listed in Table load-bearing members manufacturer Material designation Material material quality certificate Material standard Heat materials for pressure materials specified metal arc welding Metallographic inspection molybdenum Nominal thickness Normalizing Normalizing Normalizing pearlite pipe caps pipe fittings pressure not greater provisions in Table provisions of GB/T requirements of NB/T Room temperature Material round steel Scope of application shell boilers standard Heat treatment steel forgings steel structures GB/T stress for commonly structural steels GB/T submerged arc welding surface tube Unlimited suspenders and braces suspending devices temperature Material designation Tempering Normalizing tensile test thermal conductivity tube Unlimited Header Unlimited Heating surface Unlimited Unlimited Unlimited welding materials