Standard Number: YB/T 4986-2022(YB/T4986-2022)
Chinese:风电装备用螺栓钢
English:Bolted steel for wind power equipment
Effective Date:2023-04-01
Standard Applicability:This document specifies the size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certification of steel bolts for wind power equipment. This document applies to the manufacture of hot rolled or tempered steel bars with a diameter of 20 mm~80 mm for wind power equipment bolts.
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